Update to 2012_05_11 version.

Fixes:
- Don't throw error for invalid bitrate but limit to functional value
- More robust ASC parsing
- More robust handling of corrupt bitstreams
- Handle multiple raw access units

Change-Id: Ib49fe2545ff4185fe924126da702fe84ac5c2d87

17 files changed, 743 insertions, 2323 deletions

diff --git a/libSBRenc/src/Android.mk b/libSBRenc/src/Android.mk
index 55d5d4e..0a3a9d8 100644
--- a/libSBRenc/src/Android.mk
+++ b/libSBRenc/src/Android.mk
@@ -16,7 +16,6 @@ LOCAL_SRC_FILES := \
         env_est.cpp \
         invf_est.cpp \
         nf_est.cpp \
-        psenc_hybrid.cpp \
         ps_main.cpp \
         sbrenc_freq_sca.cpp \
         sbr_misc.cpp \
diff --git a/libSBRenc/src/env_est.cpp b/libSBRenc/src/env_est.cpp
index 0b7f7b0..8e8e190 100644
--- a/libSBRenc/src/env_est.cpp
+++ b/libSBRenc/src/env_est.cpp
@@ -799,27 +799,6 @@ calculateSbrEnvelope (FIXP_DBL **RESTRICT YBufferLeft,  /*! energy buffer left *
   } /* i*/
 }
 
-/*
- * Update QMF buffers
- */
-static void FDKsbrEnc_updateRIBuffers(HANDLE_ENV_CHANNEL h_envChan)
-{
-    int i;
-
-    /* rBufferWriteOffset ist always 0, do we need this ? */
-    for (i = 0; i < h_envChan->sbrExtractEnvelope.rBufferWriteOffset; i++) {
-      FIXP_DBL *temp;
-
-      temp = h_envChan->sbrExtractEnvelope.rBuffer[i];
-      h_envChan->sbrExtractEnvelope.rBuffer[i] = h_envChan->sbrExtractEnvelope.rBuffer[i + h_envChan->sbrExtractEnvelope.no_cols];
-      h_envChan->sbrExtractEnvelope.rBuffer[i + h_envChan->sbrExtractEnvelope.no_cols] = temp;
-
-      temp = h_envChan->sbrExtractEnvelope.iBuffer[i];
-      h_envChan->sbrExtractEnvelope.iBuffer[i] = h_envChan->sbrExtractEnvelope.iBuffer[i + h_envChan->sbrExtractEnvelope.no_cols];
-      h_envChan->sbrExtractEnvelope.iBuffer[i + h_envChan->sbrExtractEnvelope.no_cols] = temp;
-    }
-}
-
 /***************************************************************************/
 /*!
 
@@ -873,8 +852,8 @@ FDKsbrEnc_extractSbrEnvelope1 (
     Precalculation of Tonality Quotas  COEFF Transform OK
   */
   FDKsbrEnc_CalculateTonalityQuotas(&hEnvChan->TonCorr,
-                                     sbrExtrEnv->rBuffer+ sbrExtrEnv->rBufferWriteOffset,
-                                     sbrExtrEnv->iBuffer+ sbrExtrEnv->rBufferWriteOffset,
+                                     sbrExtrEnv->rBuffer,
+                                     sbrExtrEnv->iBuffer,
                                      h_con->freqBandTable[HI][h_con->nSfb[HI]],
                                      hEnvChan->qmfScale);
 
@@ -914,8 +893,6 @@ FDKsbrEnc_extractSbrEnvelope1 (
                           sbrExtrEnv->no_cols);
 
 
-
-  FDKsbrEnc_updateRIBuffers(hEnvChan);
 }
 
 /***************************************************************************/
@@ -1741,12 +1718,11 @@ FDKsbrEnc_InitExtractSbrEnvelope (HANDLE_SBR_EXTRACT_ENVELOPE  hSbrCut,
   {
     hSbrCut->YBufferWriteOffset = tran_off*time_step;
   }
-  hSbrCut->rBufferWriteOffset = 0;
   hSbrCut->rBufferReadOffset  = 0;
 
 
   YBufferLength = hSbrCut->YBufferWriteOffset + no_cols;
-  rBufferLength = hSbrCut->rBufferWriteOffset + no_cols;
+  rBufferLength = no_cols;
 
   hSbrCut->pre_transient_info[0] = 0;
   hSbrCut->pre_transient_info[1] = 0;
@@ -1824,8 +1800,8 @@ FDKsbrEnc_deleteExtractSbrEnvelope (HANDLE_SBR_EXTRACT_ENVELOPE hSbrCut)
 INT
 FDKsbrEnc_GetEnvEstDelay(HANDLE_SBR_EXTRACT_ENVELOPE hSbr)
 {
-  return hSbr->no_rows*((hSbr->YBufferWriteOffset)*2 +    /* mult 2 because nrg's are grouped half */
-                        hSbr->rBufferWriteOffset - hSbr->rBufferReadOffset );       /* in reference hold half spec and calc nrg's on overlapped spec */
+  return hSbr->no_rows*((hSbr->YBufferWriteOffset)*2     /* mult 2 because nrg's are grouped half */
+                        - hSbr->rBufferReadOffset );       /* in reference hold half spec and calc nrg's on overlapped spec */
 
 }
 
diff --git a/libSBRenc/src/env_est.h b/libSBRenc/src/env_est.h
index 5aa66ee..be74976 100644
--- a/libSBRenc/src/env_est.h
+++ b/libSBRenc/src/env_est.h
@@ -25,7 +25,7 @@
 ****************************************************************************/
 /*!
   \file
-  \brief  Envelope estimation structs and prototypes $Revision: 36847 $
+  \brief  Envelope estimation structs and prototypes $Revision: 37142 $
 */
 #ifndef __ENV_EST_H
 #define __ENV_EST_H
@@ -56,7 +56,6 @@ typedef struct
   int YBufferWriteOffset;
   int YBufferSzShift;
   int rBufferReadOffset;
-  int rBufferWriteOffset;
 
   int no_cols;
   int no_rows;
diff --git a/libSBRenc/src/ps_bitenc.cpp b/libSBRenc/src/ps_bitenc.cpp
index 960229b..82fec24 100644
--- a/libSBRenc/src/ps_bitenc.cpp
+++ b/libSBRenc/src/ps_bitenc.cpp
@@ -202,8 +202,7 @@ static const UINT opdDeltaTime_Code[] =
 static const INT psBands[] =
 {
   PS_BANDS_COARSE,
-  PS_BANDS_MID,
-  PS_BANDS_FINE
+  PS_BANDS_MID
 };
 
 static INT getNoBands(PS_RESOLUTION mode)
diff --git a/libSBRenc/src/ps_const.h b/libSBRenc/src/ps_const.h
index 20fcc88..376528b 100644
--- a/libSBRenc/src/ps_const.h
+++ b/libSBRenc/src/ps_const.h
@@ -28,6 +28,17 @@
 #ifndef PS_CONST_H
 #define PS_CONST_H
 
+#define MAX_PS_CHANNELS          (  2 )
+#define HYBRID_MAX_QMF_BANDS     (  3 )
+#define HYBRID_FILTER_LENGTH     ( 13 )
+#define HYBRID_FILTER_DELAY      ( (HYBRID_FILTER_LENGTH-1)/2 )
+
+#define  HYBRID_FRAMESIZE        ( QMF_MAX_TIME_SLOTS )
+#define  HYBRID_READ_OFFSET      ( 10 )
+
+#define MAX_HYBRID_BANDS         ( (QMF_CHANNELS-HYBRID_MAX_QMF_BANDS+10) )
+
+
 typedef enum {
   PS_RES_COARSE  = 0,
   PS_RES_MID     = 1,
@@ -37,8 +48,7 @@ typedef enum {
 typedef enum {
   PS_BANDS_COARSE  = 10,
   PS_BANDS_MID     = 20,
-  PS_BANDS_FINE    = 34,
-  PS_MAX_BANDS     = PS_BANDS_FINE
+  PS_MAX_BANDS     = PS_BANDS_MID
 } PS_BANDS;
 
 typedef enum {
@@ -62,4 +72,14 @@ typedef enum {
 
 } PS_CONSTS;
 
+typedef enum {
+    PSENC_OK                    = 0x0000,   /*!< No error happened. All fine. */
+    PSENC_INVALID_HANDLE        = 0x0020,   /*!< Handle passed to function call was invalid. */
+    PSENC_MEMORY_ERROR          = 0x0021,   /*!< Memory allocation failed. */
+    PSENC_INIT_ERROR            = 0x0040,   /*!< General initialization error. */
+    PSENC_ENCODE_ERROR          = 0x0060    /*!< The encoding process was interrupted by an unexpected error. */
+
+} FDK_PSENC_ERROR;
+
+
 #endif
diff --git a/libSBRenc/src/ps_encode.cpp b/libSBRenc/src/ps_encode.cpp
index 1f78d66..6f098aa 100644
--- a/libSBRenc/src/ps_encode.cpp
+++ b/libSBRenc/src/ps_encode.cpp
@@ -27,7 +27,7 @@
 ******************************************************************************/
 /*!
   \file
-  \brief  PS parameter extraction, encoding functions $Revision: 36847 $
+  \brief  PS parameter extraction, encoding functions $Revision: 37142 $
 */
 
 #include "ps_main.h"
@@ -43,7 +43,6 @@
 
 #include "genericStds.h"
 
-
 inline void FDKsbrEnc_addFIXP_DBL(const FIXP_DBL *X, const FIXP_DBL *Y, FIXP_DBL *Z, INT n)
 {
   for (INT i=0; i<n; i++)
@@ -78,7 +77,6 @@ static const INT subband2parameter20[QMF_GROUPS_LO_RES + SUBQMF_GROUPS_LO_RES] =
 };
 
 
-
 typedef enum {
   MAX_TIME_DIFF_FRAMES = 20,
   MAX_PS_NOHEADER_CNT  = 10,
@@ -106,54 +104,17 @@ static const FIXP_DBL iccQuant[8] = {
   0x7fffffff, 0x77ef9d7f, 0x6babc97f, 0x4ceaf27f, 0x2f0ed3c0, 0x00000000, 0xb49ba601, 0x80000000
 };
 
-
-
-
-/*
-  name:        static HANDLE_ERROR_INFO CreatePSData()
-  description: Creates struct (buffer) to store ps data
-  returns:     error code of type HANDLE_ERROR_INFO
-  input:       none
-  output:      - HANDLE_PS_DATA *hPsData: according handle
-*/
-static HANDLE_ERROR_INFO CreatePSData(HANDLE_PS_DATA *hPsData)
+static FDK_PSENC_ERROR InitPSData(
+        HANDLE_PS_DATA            hPsData
+        )
 {
-  HANDLE_ERROR_INFO error = noError;
+  FDK_PSENC_ERROR error = PSENC_OK;
 
-  *hPsData = GetRam_PsData();
-  if (*hPsData==NULL) {
-    error = 1;
-    goto bail;
+  if(hPsData == NULL) {
+    error = PSENC_INVALID_HANDLE;
   }
-  FDKmemclear(*hPsData,sizeof(PS_DATA));
-
-bail:
-  return error;
-}
-
-
-/*
-  name:        static HANDLE_ERROR_INFO DestroyPSData()
-  description: frees according data handle
-  returns:     error code of type HANDLE_ERROR_INFO
-  input:       - HANDLE_PS_DATA *hPsData
-  output:      none
-*/
-static HANDLE_ERROR_INFO DestroyPSData(HANDLE_PS_DATA *phPsData)
-{
-  FreeRam_PsData(phPsData);
-
-  return noError;
-}
-
-
-static HANDLE_ERROR_INFO InitPSData(HANDLE_PS_DATA hPsData)
-{
-  INT i, env;
-  HANDLE_ERROR_INFO error = noError;
-
-  if(hPsData != NULL){
-
+  else {
+    int i, env;
     FDKmemclear(hPsData,sizeof(PS_DATA));
 
     for (i=0; i<PS_MAX_BANDS; i++) {
@@ -182,8 +143,6 @@ static HANDLE_ERROR_INFO InitPSData(HANDLE_PS_DATA hPsData)
     hPsData->iidTimeCnt = MAX_TIME_DIFF_FRAMES;
     hPsData->iccTimeCnt = MAX_TIME_DIFF_FRAMES;
     hPsData->noEnvCnt   = MAX_NOENV_CNT;
-  } else {
-    error = ERROR(CDI, "Unable to write to hPsData.");
   }
 
   return error;
@@ -226,9 +185,6 @@ static INT getICCMode(const INT nBands,
   case PS_BANDS_MID:
     mode = PS_RES_MID;
     break;
-  case PS_BANDS_FINE:
-    mode = PS_RES_FINE;
-    break;
   default:
     mode = 0;
   }
@@ -252,9 +208,6 @@ static INT getIIDMode(const INT nBands,
   case PS_BANDS_MID:
     mode = PS_RES_MID;
     break;
-  case PS_BANDS_FINE:
-    mode = PS_RES_FINE;
-    break;
   default:
     mode = 0;
     break;
@@ -339,7 +292,6 @@ static void processIidData(PS_DATA       *psData,
   INT loudnDiff = 0;
   INT iidTransmit = 0;
 
-
   bitsIidFreq = bitsIidTime = 0;
 
   /* Quantize IID coefficients */
@@ -348,7 +300,6 @@ static void processIidData(PS_DATA       *psData,
     errIIDFine += quantizeCoef(iid[env], psBands, iidQuantFine_fx, 15, 31, iidIdxFine[env]);
   }
 
-
   /* normalize error to number of envelopes, ps bands
      errIID /= psBands*nEnvelopes;
      errIIDFine /= psBands*nEnvelopes; */
@@ -638,8 +589,8 @@ static void calculateIID(FIXP_DBL ldPwrL[PS_MAX_ENVELOPES][PS_MAX_BANDS],
       */
       FIXP_DBL IID = fMultDiv2( FL2FXCONST_DBL(LOG10_2_10/IID_SCALE_FT), (ldPwrL[env][i]-ldPwrR[env][i]) );
 
-      IID = fixMin( IID, (FIXP_DBL)(FL2FXCONST_DBL( 1.f)>>(LD_DATA_SHIFT+1)) );
-      IID = fixMax( IID, (FIXP_DBL)(FL2FXCONST_DBL(-1.f)>>(LD_DATA_SHIFT+1)) );
+      IID = fixMin( IID, (FIXP_DBL)(MAXVAL_DBL>>(LD_DATA_SHIFT+1)) );
+      IID = fixMax( IID, (FIXP_DBL)(MINVAL_DBL>>(LD_DATA_SHIFT+1)) );
       iid[env][i] = IID << (LD_DATA_SHIFT+1);
     }
   }
@@ -664,9 +615,6 @@ static void calculateICC(FIXP_DBL ldPwrL[PS_MAX_ENVELOPES][PS_MAX_BANDS],
   case PS_BANDS_MID:
     border = 11;
     break;
-  case PS_BANDS_FINE:
-    border = 16;
-    break;
   default:
     break;
   }
@@ -748,70 +696,74 @@ void FDKsbrEnc_initPsBandNrgScale(HANDLE_PS_ENCODE hPsEncode)
   }
 }
 
-HANDLE_ERROR_INFO FDKsbrEnc_CreatePSEncode(HANDLE_PS_ENCODE *phPsEncode){
-
-  HANDLE_ERROR_INFO error = noError;
-
-  HANDLE_PS_ENCODE hPsEncode = GetRam_PsEncode();
-  FDKmemclear(hPsEncode,sizeof(PS_ENCODE));
+FDK_PSENC_ERROR FDKsbrEnc_CreatePSEncode(
+        HANDLE_PS_ENCODE         *phPsEncode
+        )
+{
+  FDK_PSENC_ERROR error = PSENC_OK;
 
-  if(error == noError){
-    if(noError != (error = CreatePSData(&hPsEncode->hPsData))){
-      error = handBack(error);
+  if (phPsEncode==NULL) {
+    error = PSENC_INVALID_HANDLE;
+  }
+  else {
+    HANDLE_PS_ENCODE hPsEncode = NULL;
+    if (NULL==(hPsEncode = GetRam_PsEncode())) {
+      error = PSENC_MEMORY_ERROR;
+      goto bail;
     }
+    FDKmemclear(hPsEncode,sizeof(PS_ENCODE));
+    *phPsEncode = hPsEncode; /* return allocated handle */
   }
-
-  *phPsEncode = hPsEncode;
-
+bail:
   return error;
 }
 
-HANDLE_ERROR_INFO FDKsbrEnc_InitPSEncode(HANDLE_PS_ENCODE hPsEncode, const PS_BANDS psEncMode, const FIXP_DBL iidQuantErrorThreshold){
-
-  HANDLE_ERROR_INFO error = noError;
+FDK_PSENC_ERROR FDKsbrEnc_InitPSEncode(
+        HANDLE_PS_ENCODE          hPsEncode,
+        const PS_BANDS            psEncMode,
+        const FIXP_DBL            iidQuantErrorThreshold
+        )
+{
+  FDK_PSENC_ERROR error = PSENC_OK;
 
-  if(error == noError){
-    if(noError != (InitPSData(hPsEncode->hPsData))){
-      error = handBack(error);
-    }
+  if (NULL==hPsEncode) {
+    error = PSENC_INVALID_HANDLE;
   }
+  else {
+    if (PSENC_OK != (InitPSData(&hPsEncode->psData))) {
+      goto bail;
+    }
 
-  if(error == noError){
     switch(psEncMode){
-    case PS_BANDS_COARSE:
-    case PS_BANDS_MID:
-      hPsEncode->nQmfIidGroups    = QMF_GROUPS_LO_RES;
-      hPsEncode->nSubQmfIidGroups = SUBQMF_GROUPS_LO_RES;
-      FDKmemcpy(hPsEncode->iidGroupBorders,        iidGroupBordersLoRes, (hPsEncode->nQmfIidGroups + hPsEncode->nSubQmfIidGroups + 1)*sizeof(INT));
-      FDKmemcpy(hPsEncode->subband2parameterIndex, subband2parameter20,  (hPsEncode->nQmfIidGroups + hPsEncode->nSubQmfIidGroups)    *sizeof(INT));
-      FDKmemcpy(hPsEncode->iidGroupWidthLd,        iidGroupWidthLdLoRes, (hPsEncode->nQmfIidGroups + hPsEncode->nSubQmfIidGroups)    *sizeof(UCHAR));
-      break;
-    case PS_BANDS_FINE:
-      FDK_ASSERT(0); /* we don't support this mode! */
-
-      break;
-    default:
-      error = ERROR(CDI, "Invalid stereo band configuration.");
-      break;
+      case PS_BANDS_COARSE:
+      case PS_BANDS_MID:
+        hPsEncode->nQmfIidGroups    = QMF_GROUPS_LO_RES;
+        hPsEncode->nSubQmfIidGroups = SUBQMF_GROUPS_LO_RES;
+        FDKmemcpy(hPsEncode->iidGroupBorders,        iidGroupBordersLoRes, (hPsEncode->nQmfIidGroups + hPsEncode->nSubQmfIidGroups + 1)*sizeof(INT));
+        FDKmemcpy(hPsEncode->subband2parameterIndex, subband2parameter20,  (hPsEncode->nQmfIidGroups + hPsEncode->nSubQmfIidGroups)    *sizeof(INT));
+        FDKmemcpy(hPsEncode->iidGroupWidthLd,        iidGroupWidthLdLoRes, (hPsEncode->nQmfIidGroups + hPsEncode->nSubQmfIidGroups)    *sizeof(UCHAR));
+        break;
+      default:
+        error = PSENC_INIT_ERROR;
+        goto bail;
     }
-  }
 
-  if(error == noError){
     hPsEncode->psEncMode = psEncMode;
     hPsEncode->iidQuantErrorThreshold = iidQuantErrorThreshold;
     FDKsbrEnc_initPsBandNrgScale(hPsEncode);
   }
-
+bail:
   return error;
 }
 
 
-HANDLE_ERROR_INFO FDKsbrEnc_DestroyPSEncode(HANDLE_PS_ENCODE *phPsEncode){
-
-  HANDLE_ERROR_INFO error = noError;
+FDK_PSENC_ERROR FDKsbrEnc_DestroyPSEncode(
+        HANDLE_PS_ENCODE         *phPsEncode
+        )
+{
+  FDK_PSENC_ERROR error = PSENC_OK;
 
-  if(error == noError){
-    DestroyPSData(&(*phPsEncode)->hPsData);
+  if (NULL !=phPsEncode) {
     FreeRam_PsEncode(phPsEncode);
   }
 
@@ -825,44 +777,42 @@ typedef struct {
   FIXP_DBL ldPwrR[PS_MAX_ENVELOPES][PS_MAX_BANDS];
   FIXP_DBL pwrCr[PS_MAX_ENVELOPES][PS_MAX_BANDS];
   FIXP_DBL pwrCi[PS_MAX_ENVELOPES][PS_MAX_BANDS];
+
 } PS_PWR_DATA;
 
-HANDLE_ERROR_INFO FDKsbrEnc_PSEncode(HANDLE_PS_ENCODE RESTRICT hPsEncode,
-                           HANDLE_PS_OUT RESTRICT hPsOut,
-                           HANDLE_PS_CHANNEL_DATA RESTRICT hChanDatal,
-                           HANDLE_PS_CHANNEL_DATA RESTRICT hChanDatar,
-                           UCHAR *RESTRICT dynBandScale,
-                           UINT maxEnvelopes,
-                           const int sendHeader)
+
+FDK_PSENC_ERROR FDKsbrEnc_PSEncode(
+        HANDLE_PS_ENCODE          hPsEncode,
+        HANDLE_PS_OUT             hPsOut,
+        UCHAR                    *dynBandScale,
+        UINT                      maxEnvelopes,
+        FIXP_DBL                 *hybridData[HYBRID_FRAMESIZE][MAX_PS_CHANNELS][2],
+        const INT                 frameSize,
+        const INT                 sendHeader
+        )
 {
-  HANDLE_ERROR_INFO error = noError;
-  HANDLE_PS_DATA hPsData = hPsEncode->hPsData;
-  HANDLE_PS_HYBRID_DATA hHybDatal = hChanDatal->hHybData;
-  HANDLE_PS_HYBRID_DATA hHybDatar = hChanDatar->hHybData;
-  FIXP_QMF **RESTRICT lr = NULL, **RESTRICT li = NULL, **RESTRICT rr = NULL, **RESTRICT ri = NULL;
+  FDK_PSENC_ERROR error = PSENC_OK;
+
+  HANDLE_PS_DATA hPsData = &hPsEncode->psData;
   FIXP_DBL iid [PS_MAX_ENVELOPES][PS_MAX_BANDS];
   FIXP_DBL icc [PS_MAX_ENVELOPES][PS_MAX_BANDS];
   int envBorder[PS_MAX_ENVELOPES+1];
 
-  int group, bin, border, col, subband, band;
+  int group, bin, col, subband, band;
   int i = 0;
 
   int env = 0;
   int psBands      = (int) hPsEncode->psEncMode;
-  int frameSize    = FDKsbrEnc_GetHybridFrameSize(hHybDatal); /* same as FDKsbrEnc_GetHybridFrameSize(hHybDatar) */
   int nIidGroups   = hPsEncode->nQmfIidGroups + hPsEncode->nSubQmfIidGroups;
   int nEnvelopes   = fixMin(maxEnvelopes, (UINT)PS_MAX_ENVELOPES);
 
   C_ALLOC_SCRATCH_START(pwrData, PS_PWR_DATA, 1);
 
-
   for(env=0; env<nEnvelopes+1;env++) {
     envBorder[env] = fMultI(GetInvInt(nEnvelopes),frameSize*env);
   }
 
   for(env=0; env<nEnvelopes;env++) {
-    INT nHybridQmfOffset = 0;
-    int descale = 0;
 
     /* clear energy array */
     for (band=0; band<psBands; band++) {
@@ -872,10 +822,6 @@ HANDLE_ERROR_INFO FDKsbrEnc_PSEncode(HANDLE_PS_ENCODE RESTRICT hPsEncode,
     /**** calculate energies and correlation ****/
 
     /* start with hybrid data */
-    lr = hHybDatal->rHybData; li = hHybDatal->iHybData;
-    rr = hHybDatar->rHybData; ri = hHybDatar->iHybData;
-    UCHAR switched = 0;
-
     for (group=0; group < nIidGroups; group++) {
       /* Translate group to bin */
       bin = hPsEncode->subband2parameterIndex[group];
@@ -885,30 +831,21 @@ HANDLE_ERROR_INFO FDKsbrEnc_PSEncode(HANDLE_PS_ENCODE RESTRICT hPsEncode,
         bin >>= 1;
       }
 
-      if (!switched && group == hPsEncode->nSubQmfIidGroups) {
-        /* switch to qmf data */
-        lr = hChanDatal->hPsQmfData->rQmfData; li = hChanDatal->hPsQmfData->iQmfData;
-        rr = hChanDatar->hPsQmfData->rQmfData; ri = hChanDatar->hPsQmfData->iQmfData;
-        /* calc offset between hybrid subsubbands and qmf bands */
-        nHybridQmfOffset = FDKsbrEnc_GetNumberHybridQmfBands(hHybDatal) - FDKsbrEnc_GetNumberHybridBands(hHybDatal);
-        switched = 1;
-      }
-
       /* determine group border */
-      int bScale = 2*descale + hPsEncode->psBandNrgScale[bin];
-      border = hPsEncode->iidGroupBorders[group+1];
+      int bScale = hPsEncode->psBandNrgScale[bin];
 
       FIXP_DBL pwrL_env_bin = pwrData->pwrL[env][bin];
       FIXP_DBL pwrR_env_bin = pwrData->pwrR[env][bin];
       FIXP_DBL pwrCr_env_bin = pwrData->pwrCr[env][bin];
       FIXP_DBL pwrCi_env_bin = pwrData->pwrCi[env][bin];
+
       int scale = (int)dynBandScale[bin];
       for (col=envBorder[env]; col<envBorder[env+1]; col++) {
-        for (subband = hPsEncode->iidGroupBorders[group]; subband < border; subband++) {
-          FIXP_QMF l_real = (lr[col][subband + nHybridQmfOffset]) << scale;
-          FIXP_QMF l_imag = (li[col][subband + nHybridQmfOffset]) << scale;
-          FIXP_QMF r_real = (rr[col][subband + nHybridQmfOffset]) << scale;
-          FIXP_QMF r_imag = (ri[col][subband + nHybridQmfOffset]) << scale;
+        for (subband = hPsEncode->iidGroupBorders[group]; subband < hPsEncode->iidGroupBorders[group+1]; subband++) {
+          FIXP_QMF l_real = (hybridData[col][0][0][subband]) << scale;
+          FIXP_QMF l_imag = (hybridData[col][0][1][subband]) << scale;
+          FIXP_QMF r_real = (hybridData[col][1][0][subband]) << scale;
+          FIXP_QMF r_imag = (hybridData[col][1][1][subband]) << scale;
 
           pwrL_env_bin  += (fPow2Div2(l_real) + fPow2Div2(l_imag)) >> bScale;
           pwrR_env_bin  += (fPow2Div2(r_real) + fPow2Div2(r_imag)) >> bScale;
@@ -931,13 +868,10 @@ HANDLE_ERROR_INFO FDKsbrEnc_PSEncode(HANDLE_PS_ENCODE RESTRICT hPsEncode,
 
   } /* nEnvelopes */
 
-
   /* calculate iid and icc */
   calculateIID(pwrData->ldPwrL, pwrData->ldPwrR, iid, nEnvelopes, psBands);
   calculateICC(pwrData->ldPwrL, pwrData->ldPwrR, pwrData->pwrCr, pwrData->pwrCi, icc, nEnvelopes, psBands);
 
-
-
   /*** Envelope Reduction ***/
   while (envelopeReducible(iid,icc,psBands,nEnvelopes)) {
     int e=0;
@@ -1001,7 +935,6 @@ HANDLE_ERROR_INFO FDKsbrEnc_PSEncode(HANDLE_PS_ENCODE RESTRICT hPsEncode,
   }
 
 
-
   if (nEnvelopes>0) {
 
     hPsOut->enableIID      = hPsData->iidEnable;
@@ -1060,7 +993,6 @@ HANDLE_ERROR_INFO FDKsbrEnc_PSEncode(HANDLE_PS_ENCODE RESTRICT hPsEncode,
     }
   } /* Envelope > 0 */
 
-
   C_ALLOC_SCRATCH_END(pwrData, PS_PWR_DATA, 1)
 
   return error;
diff --git a/libSBRenc/src/ps_encode.h b/libSBRenc/src/ps_encode.h
index 6ce9d1f..be8ba9a 100644
--- a/libSBRenc/src/ps_encode.h
+++ b/libSBRenc/src/ps_encode.h
@@ -27,7 +27,7 @@
 ******************************************************************************/
 /*!
   \file
-  \brief  PS parameter extraction, encoding functions $Revision: 36847 $
+  \brief  PS parameter extraction, encoding functions $Revision: 37142 $
 */
 
 #ifndef __INCLUDED_PS_ENCODE_H
@@ -35,7 +35,7 @@
 
 #include "ps_const.h"
 #include "ps_bitenc.h"
-#include "psenc_hybrid.h"
+
 
 #define IID_SCALE_FT      (64.f)    /* maxVal in Quant tab is +/- 50 */
 #define IID_SCALE         6         /* maxVal in Quant tab is +/- 50 */
@@ -81,7 +81,7 @@ typedef struct T_PS_DATA {
 
 typedef struct T_PS_ENCODE{
 
-  HANDLE_PS_DATA  hPsData;
+  PS_DATA         psData;
 
   PS_BANDS        psEncMode;
   INT             nQmfIidGroups;
@@ -97,21 +97,29 @@ typedef struct T_PS_ENCODE{
 
 
 typedef struct T_PS_ENCODE *HANDLE_PS_ENCODE;
-typedef struct T_PS_CHANNEL_DATA *HANDLE_PS_CHANNEL_DATA;
-
-HANDLE_ERROR_INFO FDKsbrEnc_CreatePSEncode(HANDLE_PS_ENCODE *phPsEncode);
-
-HANDLE_ERROR_INFO FDKsbrEnc_InitPSEncode(HANDLE_PS_ENCODE hPsEncode, const PS_BANDS psEncMode, const FIXP_DBL iidQuantErrorThreshold);
-
-HANDLE_ERROR_INFO FDKsbrEnc_DestroyPSEncode(HANDLE_PS_ENCODE *phPsEncode);
-
 
-HANDLE_ERROR_INFO FDKsbrEnc_PSEncode(HANDLE_PS_ENCODE hPsEncode,
-                           HANDLE_PS_OUT hPsOut,
-                           HANDLE_PS_CHANNEL_DATA  hChanDatal,
-                           HANDLE_PS_CHANNEL_DATA  hChanDatar,
-                           UCHAR *dynBandScale,
-                           UINT maxEnvelopes,
-                           const int sendHeader);
+FDK_PSENC_ERROR FDKsbrEnc_CreatePSEncode(
+        HANDLE_PS_ENCODE         *phPsEncode
+        );
+
+FDK_PSENC_ERROR FDKsbrEnc_InitPSEncode(
+        HANDLE_PS_ENCODE          hPsEncode,
+        const PS_BANDS            psEncMode,
+        const FIXP_DBL            iidQuantErrorThreshold
+        );
+
+FDK_PSENC_ERROR FDKsbrEnc_DestroyPSEncode(
+        HANDLE_PS_ENCODE         *phPsEncode
+        );
+
+FDK_PSENC_ERROR FDKsbrEnc_PSEncode(
+        HANDLE_PS_ENCODE          hPsEncode,
+        HANDLE_PS_OUT             hPsOut,
+        UCHAR                    *dynBandScale,
+        UINT                      maxEnvelopes,
+        FIXP_DBL                 *hybridData[HYBRID_FRAMESIZE][MAX_PS_CHANNELS][2],
+        const INT                 frameSize,
+        const INT                 sendHeader
+        );
 
 #endif
diff --git a/libSBRenc/src/ps_main.cpp b/libSBRenc/src/ps_main.cpp
index c2b19d8..be954c9 100644
--- a/libSBRenc/src/ps_main.cpp
+++ b/libSBRenc/src/ps_main.cpp
@@ -36,673 +36,247 @@
 
 #include "sbr_ram.h"
 
-
-
-/* Function declarations ****************************************************/
-static void psFindBestScaling(HANDLE_PARAMETRIC_STEREO hParametricStereo,
-                              UCHAR  *dynBandScale,
-                              FIXP_QMF *maxBandValue,
-                              SCHAR  *dmxScale);
-
-/*
-  name:        static HANDLE_ERROR_INFO CreatePSQmf()
-  description: Creates struct (buffer) to store qmf data
-  returns:     error code of type HANDLE_ERROR_INFO
-  input:       - INT nCols: number of qmf samples stored in regular qmf buffer
-               - INT nRows: number qmf channels
-               - INT hybridFilterDelay: delay in qmf samples of hybrid filter
-  output:      - HANDLE_PS_QMF_DATA *hPsQmfData: according handle
-*/
-static HANDLE_ERROR_INFO CreatePSQmf(HANDLE_PS_QMF_DATA *phPsQmfData, INT ch)
-{
-  HANDLE_ERROR_INFO error = noError;
-  HANDLE_PS_QMF_DATA hPsQmfData = GetRam_PsQmfData(ch);
-  if (hPsQmfData==NULL) {
-    error = 1;
-    goto bail;
-  }
-  FDKmemclear(hPsQmfData, sizeof(PS_QMF_DATA));
-
-  hPsQmfData->rQmfData[0] = GetRam_PsRqmf(ch);
-  hPsQmfData->iQmfData[0] = GetRam_PsIqmf(ch);
-
-  if ( (hPsQmfData->rQmfData[0]==NULL) || (hPsQmfData->iQmfData[0]==NULL) ) {
-    error = 1;
-    goto bail;
-  }
-
-
-bail:
-  *phPsQmfData = hPsQmfData;
-  return error;
-}
-
-static HANDLE_ERROR_INFO InitPSQmf(HANDLE_PS_QMF_DATA hPsQmfData, INT nCols, INT nRows, INT hybridFilterDelay, INT ch, UCHAR *dynamic_RAM)
-{
-  INT i, bufferLength = 0;
-
-  hPsQmfData->nCols = nCols;
-  hPsQmfData->nRows = nRows;
-  hPsQmfData->bufferReadOffset       = QMF_READ_OFFSET;
-  hPsQmfData->bufferReadOffsetHybrid = HYBRID_READ_OFFSET;  /* calc read offset for hybrid analysis in qmf samples */
-  hPsQmfData->bufferWriteOffset = hPsQmfData->bufferReadOffsetHybrid + hybridFilterDelay;
-  hPsQmfData->bufferLength = bufferLength = hPsQmfData->bufferWriteOffset + nCols;
-
-  FDK_ASSERT(PSENC_QMF_BUFFER_LENGTH>=bufferLength);
-
-  for(i=0; i<bufferLength; i++) {
-    hPsQmfData->rQmfData[i] = FDKsbrEnc_SliceRam_PsRqmf(hPsQmfData->rQmfData[0], dynamic_RAM, ch, i, nCols);
-    hPsQmfData->iQmfData[i] = FDKsbrEnc_SliceRam_PsIqmf(hPsQmfData->iQmfData[0], dynamic_RAM, ch, i, nCols);
-  }
-
-  for(i=0; i<bufferLength; i++){
-    FDKmemclear(hPsQmfData->rQmfData[i], (sizeof(FIXP_QMF)*QMF_CHANNELS));
-    FDKmemclear(hPsQmfData->iQmfData[i], (sizeof(FIXP_QMF)*QMF_CHANNELS));
-  }
-
-  return noError;
-}
-
-
-/*
-  name:        static HANDLE_ERROR_INFO CreatePSChannel()
-  description: Creates PS channel struct
-  returns:     error code of type HANDLE_ERROR_INFO
-  input:       - HANDLE_PS_HYBRID_CONFIG hHybConfig: config structure for hybrid filter bank
-  output:      - HANDLE_PS_CHANNEL_DATA *hPsChannelData
-*/
-static HANDLE_ERROR_INFO CreatePSChannel(HANDLE_PS_CHANNEL_DATA *hPsChannelData,
-                                         INT                     ch
-                                        )
+/*--------------- function declarations --------------------*/
+static void psFindBestScaling(
+        HANDLE_PARAMETRIC_STEREO  hParametricStereo,
+        FIXP_DBL                 *hybridData[HYBRID_FRAMESIZE][MAX_PS_CHANNELS][2],
+        UCHAR                    *dynBandScale,
+        FIXP_QMF                 *maxBandValue,
+        SCHAR                    *dmxScale
+        );
+
+/*------------- function definitions ----------------*/
+FDK_PSENC_ERROR PSEnc_Create(
+        HANDLE_PARAMETRIC_STEREO *phParametricStereo
+        )
 {
-  HANDLE_ERROR_INFO error = noError;
+  FDK_PSENC_ERROR error = PSENC_OK;
 
-  (*hPsChannelData) = GetRam_PsChData(ch);
-
-  if (*hPsChannelData==NULL) {
-    error = 1;
-    goto bail;
+  if (phParametricStereo==NULL) {
+    error = PSENC_INVALID_HANDLE;
   }
-  FDKmemclear(*hPsChannelData, sizeof(PS_CHANNEL_DATA));
+  else {
+    int i;
+    HANDLE_PARAMETRIC_STEREO hParametricStereo = NULL;
 
-
-  if (error == noError) {
-    if (noError != (error = FDKsbrEnc_CreateHybridFilterBank(&(*hPsChannelData)->hHybAna,
-                                                              ch )))
-    {
+    if (NULL==(hParametricStereo = GetRam_ParamStereo())) {
+      error = PSENC_MEMORY_ERROR;
       goto bail;
     }
-  }
-  if (error == noError) {
-    if (noError != (error = FDKsbrEnc_CreateHybridData( &((*hPsChannelData)->hHybData),
-                                              ch))) {
-      goto bail;
-    }
-  }
-  if(error == noError){
-    if(noError != (error = CreatePSQmf(&((*hPsChannelData)->hPsQmfData), ch)))
-    {
-      goto bail;
-    }
-  }
-bail:
-  return error;
-}
-
-static HANDLE_ERROR_INFO InitPSChannel(HANDLE_PS_CHANNEL_DATA    hPsChannelData,
-                                         HANDLE_PS_HYBRID_CONFIG hHybConfig,
-                                         INT                     noQmfSlots,
-                                         INT                     noQmfBands
-                                        ,INT                     ch,
-                                         UCHAR                  *dynamic_RAM
-                                         )
-{
-  HANDLE_ERROR_INFO error = noError;
-  INT hybridFilterDelay = 0;
-
-  if (error == noError) {
-    if (noError != (error = FDKsbrEnc_InitHybridFilterBank(hPsChannelData->hHybAna,
-                                                              hHybConfig,
-                                                              noQmfSlots )))
-    {
-      error = handBack(error);
-    }
-  }
+    FDKmemclear(hParametricStereo, sizeof(PARAMETRIC_STEREO));
 
-  if(error == noError){
-    hybridFilterDelay = FDKsbrEnc_GetHybridFilterDelay(hPsChannelData->hHybAna);
-    hPsChannelData->psChannelDelay = hybridFilterDelay * noQmfBands;
-  }
-
-  if (error == noError) {
-    if (noError != (error = FDKsbrEnc_InitHybridData( hPsChannelData->hHybData,
-                                              hHybConfig,
-                                              noQmfSlots)))
-    {
-      error = handBack(error);
-    }
-  }
-
-  if(error == noError){
-    if(noError != (error = InitPSQmf(hPsChannelData->hPsQmfData,
-                                        noQmfSlots,
-                                        noQmfBands,
-                                        hybridFilterDelay
-                                       ,ch,
-                                        dynamic_RAM
-                                        )))
-    {
-      error = handBack(error);
-    }
-  }
-
-  return error;
-}
-
-
-/*
-  name:        static HANDLE_ERROR_INFO PSEnc_Create()
-  description: Creates PS struct
-  returns:     error code of type HANDLE_ERROR_INFO
-  input:       HANDLE_PSENC_CONFIG hPsEncConfig: configuration
-  output:      HANDLE_PARAMETRIC_STEREO *hParametricStereo
-
-*/
-HANDLE_ERROR_INFO
-PSEnc_Create(HANDLE_PARAMETRIC_STEREO *phParametricStereo)
-{
-  HANDLE_ERROR_INFO error = noError;
-  INT i;
-  HANDLE_PARAMETRIC_STEREO hParametricStereo = GetRam_ParamStereo();
-
-  if (hParametricStereo==NULL) {
-    error = 1;
-    goto bail;
-  }
-
-  FDKmemclear(hParametricStereo,sizeof(PARAMETRIC_STEREO));
-
-  hParametricStereo->qmfDelayRealRef = GetRam_PsEnvRBuffer(0);
-  hParametricStereo->qmfDelayImagRef = GetRam_PsEnvIBuffer(0);
-
-  if ( (hParametricStereo->qmfDelayRealRef==NULL) || (hParametricStereo->qmfDelayImagRef==NULL) ) {
-    error = 1;
-    goto bail;
-  }
-
-  for (i = 0; i < (QMF_MAX_TIME_SLOTS>>1); i++) {
-    hParametricStereo->qmfDelayReal[i] = hParametricStereo->qmfDelayRealRef + (i*QMF_CHANNELS);
-    hParametricStereo->qmfDelayImag[i] = hParametricStereo->qmfDelayImagRef + (i*QMF_CHANNELS);
-  }
-
-  for(i=0; i<MAX_PS_CHANNELS; i++){
-    if(noError != (error = CreatePSChannel(&hParametricStereo->hPsChannelData[i],
-                                         i
-                                        )))
-    {
+    if (PSENC_OK != (error = FDKsbrEnc_CreatePSEncode(&hParametricStereo->hPsEncode))) {
       goto bail;
     }
-  }
-
 
-  if(noError != (error = FDKsbrEnc_CreatePSEncode(&hParametricStereo->hPsEncode))) {
-    error = 1;
-    goto bail;
-  }
-
-  hParametricStereo->hHybridConfig = GetRam_PsHybConfig(); /* allocate memory */
+    for (i=0; i<MAX_PS_CHANNELS; i++) {
+      if (FDKhybridAnalysisOpen(
+            &hParametricStereo->fdkHybAnaFilter[i],
+             hParametricStereo->__staticHybAnaStatesLF[i],
+             sizeof(hParametricStereo->__staticHybAnaStatesLF[i]),
+             hParametricStereo->__staticHybAnaStatesHF[i],
+             sizeof(hParametricStereo->__staticHybAnaStatesHF[i])
+             ) !=0 )
+      {
+        error = PSENC_MEMORY_ERROR;
+        goto bail;
+      }
+    }
 
-  /* calc PS_OUT values and delay one frame ! */
-  hParametricStereo->hPsOut[0] = GetRam_PsOut(0);
-  hParametricStereo->hPsOut[1] = GetRam_PsOut(1);
-  if ( (hParametricStereo->hHybridConfig==NULL) || (hParametricStereo->hPsOut[0]==NULL) || (hParametricStereo->hPsOut[1]==NULL) ) {
-    error = 1;
-    goto bail;
+    *phParametricStereo = hParametricStereo; /* return allocated handle */
   }
-
 bail:
-  *phParametricStereo = hParametricStereo;
   return error;
 }
 
-HANDLE_ERROR_INFO
-PSEnc_Init(HANDLE_PARAMETRIC_STEREO    hParametricStereo,
-             HANDLE_PSENC_CONFIG       hPsEncConfig,
-             INT                       noQmfSlots,
-             INT                       noQmfBands
-            ,UCHAR                    *dynamic_RAM
-            )
+FDK_PSENC_ERROR PSEnc_Init(
+        HANDLE_PARAMETRIC_STEREO  hParametricStereo,
+        const HANDLE_PSENC_CONFIG hPsEncConfig,
+        INT                       noQmfSlots,
+        INT                       noQmfBands
+       ,UCHAR                    *dynamic_RAM
+        )
 {
-  HANDLE_ERROR_INFO error = noError;
-  INT i;
-  INT tmpDelay = 0;
+  FDK_PSENC_ERROR error = PSENC_OK;
 
-  if(error == noError){
-    if(hPsEncConfig == NULL){
-      error = ERROR(CDI, "Invalid configuration handle.");
-    }
+  if ( (NULL==hParametricStereo) || (NULL==hPsEncConfig) ) {
+    error = PSENC_INVALID_HANDLE;
   }
+  else {
+    int ch, i;
 
-  hParametricStereo->initPS = 1;
-  hParametricStereo->noQmfSlots = noQmfSlots;
-  hParametricStereo->noQmfBands = noQmfBands;
+    hParametricStereo->initPS = 1;
+    hParametricStereo->noQmfSlots = noQmfSlots;
+    hParametricStereo->noQmfBands = noQmfBands;
 
-  for (i = 0; i < hParametricStereo->noQmfSlots>>1; i++) {
-    FDKmemclear( hParametricStereo->qmfDelayReal[i],QMF_CHANNELS*sizeof(FIXP_DBL));
-    FDKmemclear( hParametricStereo->qmfDelayImag[i],QMF_CHANNELS*sizeof(FIXP_DBL));
-  }
-  hParametricStereo->qmfDelayScale = FRACT_BITS-1;
-
-  if(error == noError) {
-    PS_BANDS nHybridSubbands = (PS_BANDS)0;
-
-    switch(hPsEncConfig->nStereoBands){
-    case PSENC_STEREO_BANDS_10:
-      nHybridSubbands = PS_BANDS_COARSE;
-      break;
-    case PSENC_STEREO_BANDS_20:
-      nHybridSubbands = PS_BANDS_MID;
-      break;
-    case PSENC_STEREO_BANDS_34:
-      /* nHybridSubbands = PS_BANDS_FINE; */
-      FDK_ASSERT(0); /* we don't support this mode! */
-      break;
-    default:
-      nHybridSubbands = (PS_BANDS)0;
-      break;
-    }
-    /* create configuration for hybrid filter bank */
-    FDKmemclear(hParametricStereo->hHybridConfig,sizeof(PS_HYBRID_CONFIG));
-    if(noError != (error = FDKsbrEnc_CreateHybridConfig(&hParametricStereo->hHybridConfig, nHybridSubbands))) {
-      error = handBack(error);
-    }
-  }
+    /* clear delay lines */
+    FDKmemclear(hParametricStereo->qmfDelayLines, sizeof(hParametricStereo->qmfDelayLines));
 
+    hParametricStereo->qmfDelayScale = FRACT_BITS-1;
 
-  tmpDelay = 0;
-  for(i=0; i<MAX_PS_CHANNELS; i++) {
-
-    if(error == noError){
-      if(noError != (error = InitPSChannel( hParametricStereo->hPsChannelData[i],
-                                            hParametricStereo->hHybridConfig,
-                                            hParametricStereo->noQmfSlots,
-                                            hParametricStereo->noQmfBands
-                                           ,i,
-                                            dynamic_RAM
-                                             )))
-      {
-        error = handBack(error);
-      }
-    }
-
-    if(error == noError){
-      /* sum up delay in samples for all channels (should be the same for all channels) */
-      tmpDelay += hParametricStereo->hPsChannelData[i]->psChannelDelay;
-    }
-  }
+    /* create configuration for hybrid filter bank */
+    for (ch=0; ch<MAX_PS_CHANNELS; ch++) {
+      FDKhybridAnalysisInit(
+            &hParametricStereo->fdkHybAnaFilter[ch],
+             THREE_TO_TEN,
+             QMF_CHANNELS,
+             QMF_CHANNELS,
+             1
+             );
+    } /* ch */
+
+    FDKhybridSynthesisInit(
+          &hParametricStereo->fdkHybSynFilter,
+           THREE_TO_TEN,
+           QMF_CHANNELS,
+           QMF_CHANNELS
+           );
 
-  if(error == noError){
     /* determine average delay */
-    hParametricStereo->psDelay = tmpDelay/MAX_PS_CHANNELS;
-  }
+    hParametricStereo->psDelay = (HYBRID_FILTER_DELAY*hParametricStereo->noQmfBands);
 
-  if(error == noError){
-    if ( (hPsEncConfig->maxEnvelopes < PSENC_NENV_1)
-         || (hPsEncConfig->maxEnvelopes > PSENC_NENV_MAX) ) {
+    if ( (hPsEncConfig->maxEnvelopes < PSENC_NENV_1) || (hPsEncConfig->maxEnvelopes > PSENC_NENV_MAX) ) {
       hPsEncConfig->maxEnvelopes = PSENC_NENV_DEFAULT;
     }
     hParametricStereo->maxEnvelopes = hPsEncConfig->maxEnvelopes;
-  }
 
-  if(error == noError){
-    if(noError != (error = FDKsbrEnc_InitPSEncode(hParametricStereo->hPsEncode, (PS_BANDS) hPsEncConfig->nStereoBands, hPsEncConfig->iidQuantErrorThreshold))){
-      error = handBack(error);
+    if (PSENC_OK != (error = FDKsbrEnc_InitPSEncode(hParametricStereo->hPsEncode, (PS_BANDS) hPsEncConfig->nStereoBands, hPsEncConfig->iidQuantErrorThreshold))){
+      goto bail;
     }
-  }
-
-  /* clear buffer */
-  FDKmemclear(hParametricStereo->hPsOut[0], sizeof(PS_OUT));
-  FDKmemclear(hParametricStereo->hPsOut[1], sizeof(PS_OUT));
-
-  /* clear scaling buffer */
-  FDKmemclear(hParametricStereo->dynBandScale, sizeof(UCHAR)*PS_MAX_BANDS);
-  FDKmemclear(hParametricStereo->maxBandValue, sizeof(FIXP_QMF)*PS_MAX_BANDS);
-
-  return error;
-}
-
-
-
-/*
-  name:        static HANDLE_ERROR_INFO DestroyPSQmf
-  description: destroy PS qmf buffers
-  returns:     error code of type HANDLE_ERROR_INFO
-  input:       - HANDLE_PS_QMF_DATA *hPsQmfData
-  output:      none
-*/
-
-static HANDLE_ERROR_INFO DestroyPSQmf(HANDLE_PS_QMF_DATA* phPsQmfData)
-{
-  HANDLE_PS_QMF_DATA hPsQmfData = *phPsQmfData;
-
-  if(hPsQmfData) {
-    FreeRam_PsRqmf(hPsQmfData->rQmfData);
-    FreeRam_PsIqmf(hPsQmfData->iQmfData);
-    FreeRam_PsQmfData(phPsQmfData);
-  }
-
-  return noError;
-}
-
-
-
-/*
-  name:        static HANDLE_ERROR_INFO DestroyPSChannel
-  description: destroy PS channel data
-  returns:     error code of type HANDLE_ERROR_INFO
-  input:       - HANDLE_PS_CHANNEL_DATA *hPsChannelDAta
-  output:      none
-*/
-
-
-static HANDLE_ERROR_INFO DestroyPSChannel(HANDLE_PS_CHANNEL_DATA *phPsChannelData){
-
-  HANDLE_ERROR_INFO error = noError;
-  HANDLE_PS_CHANNEL_DATA hPsChannelData = *phPsChannelData;
-
-  if(hPsChannelData != NULL){
-
-    DestroyPSQmf(&hPsChannelData->hPsQmfData);
 
-    FDKsbrEnc_DeleteHybridFilterBank(&hPsChannelData->hHybAna);
+    for (ch = 0; ch<MAX_PS_CHANNELS; ch ++) {
+      FIXP_DBL *pDynReal = GetRam_Sbr_envRBuffer (ch, dynamic_RAM);
+      FIXP_DBL *pDynImag = GetRam_Sbr_envIBuffer (ch, dynamic_RAM);
 
-    FDKsbrEnc_DestroyHybridData(&hPsChannelData->hHybData);
-
-    FreeRam_PsChData(phPsChannelData);
-  }
-
-  return error;
-}
-
-
-/*
-  name:        static HANDLE_ERROR_INFO PSEnc_Destroy
-  description: destroy PS encoder handle
-  returns:     error code of type HANDLE_ERROR_INFO
-  input:       - HANDLE_PARAMETRIC_STEREO *hParametricStereo
-  output:      none
-*/
-
-HANDLE_ERROR_INFO
-PSEnc_Destroy(HANDLE_PARAMETRIC_STEREO *phParametricStereo){
-
-  HANDLE_ERROR_INFO error = noError;
-  HANDLE_PARAMETRIC_STEREO hParametricStereo = *phParametricStereo;
-  INT i;
+      for (i=0; i<HYBRID_FRAMESIZE; i++) {
+        hParametricStereo->pHybridData[i+HYBRID_READ_OFFSET][ch][0] = &pDynReal[i*MAX_HYBRID_BANDS];
+        hParametricStereo->pHybridData[i+HYBRID_READ_OFFSET][ch][1] = &pDynImag[i*MAX_HYBRID_BANDS];;
+      }
 
-  if(hParametricStereo != NULL){
-    for(i=0; i<MAX_PS_CHANNELS; i++){
-      DestroyPSChannel(&(hParametricStereo->hPsChannelData[i]));
-    }
-    FreeRam_PsEnvRBuffer(&hParametricStereo->qmfDelayRealRef);
-    FreeRam_PsEnvIBuffer(&hParametricStereo->qmfDelayImagRef);
+      for (i=0; i<HYBRID_READ_OFFSET; i++) {
+        hParametricStereo->pHybridData[i][ch][0] = hParametricStereo->__staticHybridData[i][ch][0];
+        hParametricStereo->pHybridData[i][ch][1] = hParametricStereo->__staticHybridData[i][ch][1];
+      }
+    } /* ch */
 
-    FDKsbrEnc_DestroyPSEncode(&hParametricStereo->hPsEncode);
+    /* clear static hybrid buffer */
+    FDKmemclear(hParametricStereo->__staticHybridData, sizeof(hParametricStereo->__staticHybridData));
 
-    FreeRam_PsOut(&hParametricStereo->hPsOut[0]);
-    FreeRam_PsOut(&hParametricStereo->hPsOut[1]);
+    /* clear bs buffer */
+    FDKmemclear(hParametricStereo->psOut, sizeof(hParametricStereo->psOut));
 
-    FreeRam_PsHybConfig(&hParametricStereo->hHybridConfig);
-    FreeRam_ParamStereo(phParametricStereo);
-  }
+    /* clear scaling buffer */
+    FDKmemclear(hParametricStereo->dynBandScale, sizeof(UCHAR)*PS_MAX_BANDS);
+    FDKmemclear(hParametricStereo->maxBandValue, sizeof(FIXP_QMF)*PS_MAX_BANDS);
 
+  } /* valid handle */
+bail:
   return error;
 }
 
-/*
-  name:        static HANDLE_ERROR_INFO UpdatePSQmfData
-  description: updates buffer containing qmf data first/second halve
-  returns:     error code of type HANDLE_ERROR_INFO
-  input:       - HANDLE_PARAMETRIC_STEREO hParametricStereo
-  output:      - HANDLE_PARAMETRIC_STEREO hParametricStereo with updated qmf data
-*/
 
-static HANDLE_ERROR_INFO
-UpdatePSQmfData_first(HANDLE_PARAMETRIC_STEREO hParametricStereo)
+FDK_PSENC_ERROR PSEnc_Destroy(
+        HANDLE_PARAMETRIC_STEREO *phParametricStereo
+        )
 {
-  HANDLE_ERROR_INFO error = noError;
-  int i, ch;
-  for (ch=0; ch<MAX_PS_CHANNELS; ch++) {
-    /* get qmf buffers       */
-    FIXP_QMF **RESTRICT realQmfData   = hParametricStereo->hPsChannelData[ch]->hPsQmfData->rQmfData + QMF_READ_OFFSET;
-    FIXP_QMF **RESTRICT imagQmfData   = hParametricStereo->hPsChannelData[ch]->hPsQmfData->iQmfData + QMF_READ_OFFSET;
-
-    /* get needed parameters */
-    INT nCols = hParametricStereo->hPsChannelData[ch]->hPsQmfData->nCols;
-    INT nRows = hParametricStereo->hPsChannelData[ch]->hPsQmfData->nRows;
-
-    /* move processed buffer data nCols qmf samples forward */
-    for(i=0; i<HYBRID_READ_OFFSET; i++){
-      FDKmemcpy (realQmfData[i], realQmfData[i + nCols], sizeof(FIXP_QMF)*nRows );
-      FDKmemcpy (imagQmfData[i], imagQmfData[i + nCols], sizeof(FIXP_QMF)*nRows );
-    }
-  }
+  FDK_PSENC_ERROR error = PSENC_OK;
 
-  return error;
-}
-
-HANDLE_ERROR_INFO
-UpdatePSQmfData_second(HANDLE_PARAMETRIC_STEREO hParametricStereo)
-{
-  HANDLE_ERROR_INFO error = noError;
-  int i, ch;
-  for (ch=0; ch<MAX_PS_CHANNELS; ch++) {
-    /* get qmf buffers       */
-    FIXP_QMF **RESTRICT realQmfData = hParametricStereo->hPsChannelData[ch]->hPsQmfData->rQmfData + QMF_READ_OFFSET;
-    FIXP_QMF **RESTRICT imagQmfData = hParametricStereo->hPsChannelData[ch]->hPsQmfData->iQmfData + QMF_READ_OFFSET;
-
-    /* get needed parameters */
-    INT writeOffset = hParametricStereo->hPsChannelData[ch]->hPsQmfData->bufferWriteOffset;
-    INT nCols       = hParametricStereo->hPsChannelData[ch]->hPsQmfData->nCols;
-    INT nRows       = hParametricStereo->hPsChannelData[ch]->hPsQmfData->nRows;
-
-    /* move processed buffer data nCols qmf samples forward */
-    for(i=HYBRID_READ_OFFSET; i<writeOffset; i++){
-      FDKmemcpy (realQmfData[i], realQmfData[i + nCols], sizeof(FIXP_QMF)*nRows );
-      FDKmemcpy (imagQmfData[i], imagQmfData[i + nCols], sizeof(FIXP_QMF)*nRows );
+  if (NULL!=phParametricStereo) {
+    HANDLE_PARAMETRIC_STEREO hParametricStereo = *phParametricStereo;
+    if(hParametricStereo != NULL){
+      FDKsbrEnc_DestroyPSEncode(&hParametricStereo->hPsEncode);
+      FreeRam_ParamStereo(phParametricStereo);
     }
   }
 
   return error;
 }
 
-
-
-/*
-  name:        static HANDLE_ERROR_INFO UpdatePSHybridData
-  description: updates buffer containg PS hybrid data
-  returns:     error code of type HANDLE_ERROR_INFO
-  input:       - HANDLE_PARAMETRIC_STEREO hParametricStereo
-  output:      - HANDLE_PARAMETRIC_STEREO hParametricStereo with updated hybrid data
-*/
-
-static HANDLE_ERROR_INFO UpdatePSHybridData(HANDLE_PARAMETRIC_STEREO hParametricStereo)
+static FDK_PSENC_ERROR ExtractPSParameters(
+        HANDLE_PARAMETRIC_STEREO  hParametricStereo,
+        const int                 sendHeader,
+        FIXP_DBL                 *hybridData[HYBRID_FRAMESIZE][MAX_PS_CHANNELS][2]
+        )
 {
-  INT i, ch;
-
-  for (ch=0; ch<MAX_PS_CHANNELS; ch++) {
-    HANDLE_PS_HYBRID_DATA  hHybData = hParametricStereo->hPsChannelData[ch]->hHybData;
-    FIXP_QMF       **realHybridData = hHybData->rHybData + HYBRID_DATA_READ_OFFSET;
-    FIXP_QMF       **imagHybridData = hHybData->iHybData + HYBRID_DATA_READ_OFFSET;
-    INT              writeOffset    = hHybData->hybDataWriteOffset;
-    INT              frameSize      = hHybData->frameSize;
-
-    for(i=0; i<writeOffset; i++){
-      FDKmemcpy (realHybridData[i], realHybridData[i + frameSize], sizeof(FIXP_QMF)*HYBRID_NUM_BANDS );
-      FDKmemcpy (imagHybridData[i], imagHybridData[i + frameSize], sizeof(FIXP_QMF)*HYBRID_NUM_BANDS );
-    }
-  }
-
-  return noError;
-}
-
-
-/*
-  name:        static HANDLE_ERROR_INFO ExtractPSParameters
-  description: PS parameter extraction
-  returns:     error code of type HANDLE_ERROR_INFO
-  input:       - HANDLE_PARAMETRIC_STEREO hParametricStereo
-  output:      - HANDLE_PARAMETRIC_STEREO hParametricStereo PS parameter
-*/
-
-static HANDLE_ERROR_INFO
-ExtractPSParameters(HANDLE_PARAMETRIC_STEREO hParametricStereo, const int sendHeader){
-
-  HANDLE_ERROR_INFO error = noError;
-
-  if(error == noError){
-    if(hParametricStereo == NULL){
-      error = ERROR(CDI, "Invalid handle hParametricStereo.");
+  FDK_PSENC_ERROR error = PSENC_OK;
+
+  if (hParametricStereo == NULL) {
+    error = PSENC_INVALID_HANDLE;
+  }
+  else {
+    /* call ps encode function */
+    if (hParametricStereo->initPS){
+      hParametricStereo->psOut[1] = hParametricStereo->psOut[0];
+    }
+    hParametricStereo->psOut[0] = hParametricStereo->psOut[1];
+
+    if (PSENC_OK != (error = FDKsbrEnc_PSEncode(
+            hParametricStereo->hPsEncode,
+           &hParametricStereo->psOut[1],
+            hParametricStereo->dynBandScale,
+            hParametricStereo->maxEnvelopes,
+            hybridData,
+            hParametricStereo->noQmfSlots,
+            sendHeader)))
+    {
+      goto bail;
     }
-  }
 
-  /* call ps encode function */
-  if(error == noError){
-     if (hParametricStereo->initPS){
-      *hParametricStereo->hPsOut[1] = *hParametricStereo->hPsOut[0];
-     }
-    *hParametricStereo->hPsOut[0] = *hParametricStereo->hPsOut[1];
-
-    if(noError != (error = FDKsbrEnc_PSEncode(hParametricStereo->hPsEncode,
-                                              hParametricStereo->hPsOut[1],
-                                              hParametricStereo->hPsChannelData[0],
-                                              hParametricStereo->hPsChannelData[1],
-                                              hParametricStereo->dynBandScale,
-                                              hParametricStereo->maxEnvelopes,
-                                              sendHeader))){
-      error = handBack(error);
+    if (hParametricStereo->initPS) {
+      hParametricStereo->psOut[0] = hParametricStereo->psOut[1];
+      hParametricStereo->initPS = 0;
     }
-   if (hParametricStereo->initPS){
-    *hParametricStereo->hPsOut[0] = *hParametricStereo->hPsOut[1];
-    hParametricStereo->initPS = 0;
-   }
   }
-
+bail:
   return error;
 }
 
 
-/*
-  name:        static HANDLE_ERROR_INFO DownmixPSQmfData
-  description: energy weighted downmix and hybrid synthesis
-  returns:     error code of type HANDLE_ERROR_INFO
-  input:       - HANDLE_PARAMETRIC_STEREO hParametricStereo containing left and right channel qmf data
-  output:      - HANDLE_PARAMETRIC_STEREO with updated qmf data buffer, hybrid data buffer
-               - FIXP_QMF **mixRealQmfData: pointer to buffer containing downmixed (real) qmf data
-               - FIXP_QMF **mixImagQmfData: pointer to buffer containing downmixed (imag) qmf data
-*/
-
-static HANDLE_ERROR_INFO
-DownmixPSQmfData(HANDLE_PARAMETRIC_STEREO hParametricStereo, FIXP_QMF **RESTRICT mixRealQmfData,
-                 FIXP_QMF **RESTRICT mixImagQmfData, SCHAR *downmixScale)
+static FDK_PSENC_ERROR DownmixPSQmfData(
+       HANDLE_PARAMETRIC_STEREO  hParametricStereo,
+       HANDLE_QMF_FILTER_BANK    sbrSynthQmf,
+       FIXP_QMF       **RESTRICT mixRealQmfData,
+       FIXP_QMF       **RESTRICT mixImagQmfData,
+       INT_PCM                  *downsampledOutSignal,
+       FIXP_DBL                 *hybridData[HYBRID_FRAMESIZE][MAX_PS_CHANNELS][2],
+       const INT                 noQmfSlots,
+       const INT                 psQmfScale[MAX_PS_CHANNELS],
+       SCHAR                    *qmfScale
+       )
 {
-  HANDLE_ERROR_INFO error = noError;
-  int n, k;
-  int dynQmfScale, adjQmfScale;
-  int nQmfSamples=0, nQmfBands=0, nHybridQmfBands=0;
-  FIXP_QMF **RESTRICT leftRealQmfData        = NULL;
-  FIXP_QMF **RESTRICT leftImagQmfData        = NULL;
-  FIXP_QMF **RESTRICT rightRealQmfData       = NULL;
-  FIXP_QMF **RESTRICT rightImagQmfData       = NULL;
-  FIXP_QMF **RESTRICT leftRealHybridQmfData  = NULL;
-  FIXP_QMF **RESTRICT leftImagHybridQmfData  = NULL;
-  FIXP_QMF **RESTRICT rightRealHybridQmfData = NULL;
-  FIXP_QMF **RESTRICT rightImagHybridQmfData = NULL;
+  FDK_PSENC_ERROR error = PSENC_OK;
 
   if(hParametricStereo == NULL){
-    error = ERROR(CDI, "Invalid handle hParametricStereo.");
-  }
-
-  if(error == noError){
-    /* Update first part of qmf buffers...
-       no whole buffer update possible; downmix is inplace */
-    if(noError != (error = UpdatePSQmfData_first(hParametricStereo))){
-      error = handBack(error);
-    }
+    error = PSENC_INVALID_HANDLE;
   }
-
-  if(error == noError){
-    /* get buffers: synchronize QMF buffers and hybrid buffers to compensate hybrid filter delay */
-    /* hybrid filter bank looks nHybridFilterDelay qmf samples forward                           */
-    leftRealQmfData        = hParametricStereo->hPsChannelData[0]->hPsQmfData->rQmfData + HYBRID_READ_OFFSET;
-    leftImagQmfData        = hParametricStereo->hPsChannelData[0]->hPsQmfData->iQmfData + HYBRID_READ_OFFSET;
-    rightRealQmfData       = hParametricStereo->hPsChannelData[1]->hPsQmfData->rQmfData + HYBRID_READ_OFFSET;
-    rightImagQmfData       = hParametricStereo->hPsChannelData[1]->hPsQmfData->iQmfData + HYBRID_READ_OFFSET;
-
-    leftRealHybridQmfData  = hParametricStereo->hPsChannelData[0]->hHybData->rHybData + HYBRID_WRITE_OFFSET;
-    leftImagHybridQmfData  = hParametricStereo->hPsChannelData[0]->hHybData->iHybData + HYBRID_WRITE_OFFSET;
-    rightRealHybridQmfData = hParametricStereo->hPsChannelData[1]->hHybData->rHybData + HYBRID_WRITE_OFFSET;
-    rightImagHybridQmfData = hParametricStereo->hPsChannelData[1]->hHybData->iHybData + HYBRID_WRITE_OFFSET;
-
-    /* get number of needed parameters */
-    nQmfSamples            = hParametricStereo->hPsChannelData[0]->hPsQmfData->nCols;
-    nQmfBands              = hParametricStereo->hPsChannelData[0]->hPsQmfData->nRows;
-    nHybridQmfBands        = FDKsbrEnc_GetNumberHybridQmfBands(hParametricStereo->hPsChannelData[0]->hHybData);
+  else {
+    int n, k;
+    C_ALLOC_SCRATCH_START(pWorkBuffer, FIXP_QMF, QMF_CHANNELS*2);    
 
     /* define scalings */
-    adjQmfScale = hParametricStereo->hPsChannelData[0]->hHybData->sf_fixpHybrid
-                - hParametricStereo->hPsChannelData[0]->psQmfScale;
-
-    dynQmfScale = fixMax(0, hParametricStereo->dmxScale-1); /* scale one bit more for addition of left and right */
-
-    *downmixScale = hParametricStereo->hPsChannelData[0]->hHybData->sf_fixpHybrid - dynQmfScale + 1;
-
-    const FIXP_DBL maxStereoScaleFactor = FL2FXCONST_DBL(2.0f/2.f);
+    int dynQmfScale = fixMax(0, hParametricStereo->dmxScale-1); /* scale one bit more for addition of left and right */
+    int downmixScale = psQmfScale[0] - dynQmfScale;
+    const FIXP_DBL maxStereoScaleFactor = MAXVAL_DBL; /* 2.f/2.f */
 
-    for(n = 0; n<nQmfSamples; n++){
-      INT hybridDataOffset = 0;
+    for (n = 0; n<noQmfSlots; n++) {
 
-      for(k = 0; k<nQmfBands; k++){
-        INT l, nHybridSubBands;
-        FIXP_DBL tmpMixReal, tmpMixImag;
+      FIXP_DBL tmpHybrid[2][MAX_HYBRID_BANDS];
 
-        if(k < nHybridQmfBands){
-          /* process sub-subbands from hybrid qmf */
-          nHybridSubBands = FDKsbrEnc_GetHybridResolution(hParametricStereo->hPsChannelData[0]->hHybData, k);
-        } else {
-          /* process qmf data */
-          nHybridSubBands = 1;
-        }
-
-        tmpMixReal = FL2FXCONST_DBL(0.f);
-        tmpMixImag = FL2FXCONST_DBL(0.f);
-
-        for(l=0; l<nHybridSubBands; l++) {
+      for(k = 0; k<71; k++){
           int dynScale, sc; /* scaling */
           FIXP_QMF tmpLeftReal, tmpRightReal, tmpLeftImag, tmpRightImag;
           FIXP_DBL tmpScaleFactor, stereoScaleFactor;
 
-          if(k < nHybridQmfBands){
-            /* process sub-subbands from hybrid qmf */
-            tmpLeftReal  = (leftRealHybridQmfData[n][hybridDataOffset + l]);
-            tmpLeftImag  = (leftImagHybridQmfData[n][hybridDataOffset + l]);
-            tmpRightReal = (rightRealHybridQmfData[n][hybridDataOffset + l]);
-            tmpRightImag = (rightImagHybridQmfData[n][hybridDataOffset + l]);
-            dynScale     = dynQmfScale;
-          } else {
-            /* process qmf data */
-            tmpLeftReal  = leftRealQmfData[n][k];
-            tmpLeftImag  = leftImagQmfData[n][k];
-            tmpRightReal = rightRealQmfData[n][k];
-            tmpRightImag = rightImagQmfData[n][k];
-            dynScale     = dynQmfScale-adjQmfScale;
-          }
+          tmpLeftReal  = hybridData[n][0][0][k];
+          tmpLeftImag  = hybridData[n][0][1][k];
+          tmpRightReal = hybridData[n][1][0][k];
+          tmpRightImag = hybridData[n][1][1][k];
 
           sc = fixMax(0,CntLeadingZeros( fixMax(fixMax(fixp_abs(tmpLeftReal),fixp_abs(tmpLeftImag)),fixMax(fixp_abs(tmpRightReal),fixp_abs(tmpRightImag))) )-2);
 
           tmpLeftReal  <<= sc; tmpLeftImag  <<= sc;
           tmpRightReal <<= sc; tmpRightImag <<= sc;
-          dynScale = fixMin(sc-dynScale,DFRACT_BITS-1);
+          dynScale = fixMin(sc-dynQmfScale,DFRACT_BITS-1);
 
           /* calc stereo scale factor to avoid loss of energy in bands                                                 */
           /* stereo scale factor = min(2.0f, sqrt( (abs(l(k, n)^2 + abs(r(k, n)^2 )))/(0.5f*abs(l(k, n) + r(k, n))) )) */
@@ -735,268 +309,192 @@ DownmixPSQmfData(HANDLE_PARAMETRIC_STEREO hParametricStereo, FIXP_QMF **RESTRICT
               stereoScaleFactor = maxStereoScaleFactor;
           }
 
-          /* write data to output */
-          tmpMixReal += fMultDiv2(stereoScaleFactor, (FIXP_QMF)(tmpLeftReal + tmpRightReal))>>dynScale;
-          tmpMixImag += fMultDiv2(stereoScaleFactor, (FIXP_QMF)(tmpLeftImag + tmpRightImag))>>dynScale;
-        }
+          /* write data to hybrid output */
+          tmpHybrid[0][k] = fMultDiv2(stereoScaleFactor, (FIXP_QMF)(tmpLeftReal + tmpRightReal))>>dynScale;
+          tmpHybrid[1][k] = fMultDiv2(stereoScaleFactor, (FIXP_QMF)(tmpLeftImag + tmpRightImag))>>dynScale;
 
-        mixRealQmfData[n][k] = tmpMixReal;
-        mixImagQmfData[n][k] = tmpMixImag;
+      } /* hybrid bands - k */
 
-        hybridDataOffset += nHybridSubBands;
-      }
-    }
-  } /* if(error == noError) */
+      FDKhybridSynthesisApply(
+            &hParametricStereo->fdkHybSynFilter,
+             tmpHybrid[0],
+             tmpHybrid[1],
+             mixRealQmfData[n],
+             mixImagQmfData[n]);
 
+      qmfSynthesisFilteringSlot(
+            sbrSynthQmf,
+            mixRealQmfData[n],
+            mixImagQmfData[n],
+            downmixScale-7,
+            downmixScale-7,
+            downsampledOutSignal+(n*sbrSynthQmf->no_channels),
+            1,
+            pWorkBuffer);
 
-  if(error == noError){
-    /* ... and update the hybrid data */
-    if(noError != (error = UpdatePSHybridData(hParametricStereo))){
-      error = handBack(error);
-    }
-  }
+    } /* slots */
 
-  return error;
-}
+    *qmfScale = -downmixScale + 7;
 
+    C_ALLOC_SCRATCH_END(pWorkBuffer, FIXP_QMF, QMF_CHANNELS*2);
 
-/*
-  name:        INT FDKsbrEnc_PSEnc_WritePSData()
-  description: writes ps_data() element to bitstream (hBitstream), returns number of written bits;
-               returns number of written bits only, if hBitstream == NULL
-  returns:     number of bits in ps_data()
-  input:       - HANDLE_PARAMETRIC_STEREO hParametricStereo containing extracted ps parameters
-  output:      - HANDLE_FDK_BITSTREAM containing ps_data() element
-*/
 
-INT
-FDKsbrEnc_PSEnc_WritePSData(HANDLE_PARAMETRIC_STEREO hParametricStereo, HANDLE_FDK_BITSTREAM hBitstream)
-{
-
-  INT nBitsWritten = 0;
+  {
+    const INT noQmfSlots2 = hParametricStereo->noQmfSlots>>1;
+    const int noQmfBands  = hParametricStereo->noQmfBands;
 
-  if(hParametricStereo != NULL){
-    nBitsWritten = FDKsbrEnc_WritePSBitstream(hParametricStereo->hPsOut[0], hBitstream);
-  }
+    INT scale, i, j, slotOffset;
 
-  return nBitsWritten;
-}
+    FIXP_QMF tmp[2][QMF_CHANNELS];
 
+    for (i=0; i<noQmfSlots2; i++) {
+      FDKmemcpy(tmp[0], hParametricStereo->qmfDelayLines[0][i], noQmfBands*sizeof(FIXP_QMF));
+      FDKmemcpy(tmp[1], hParametricStereo->qmfDelayLines[1][i], noQmfBands*sizeof(FIXP_QMF));
 
-/*
-  name:        static HANDLE_ERROR_INFO PSHybridAnalysis()
-  description: hybrid analysis filter bank of lowest qmf banks
-  returns:     error code of type HANDLE_ERROR_INFO
-  input:       - HANDLE_PARAMETRIC_STEREO hParametricStereo containing qmf samples
-  output:      - HANDLE_PARAMETRIC STEREO hParametricStereo also containing hybrid data
-*/
+      FDKmemcpy(hParametricStereo->qmfDelayLines[0][i], mixRealQmfData[i+noQmfSlots2], noQmfBands*sizeof(FIXP_QMF));
+      FDKmemcpy(hParametricStereo->qmfDelayLines[1][i], mixImagQmfData[i+noQmfSlots2], noQmfBands*sizeof(FIXP_QMF));
 
-static HANDLE_ERROR_INFO
-PSHybridAnalysis(HANDLE_PARAMETRIC_STEREO hParametricStereo){
+      FDKmemcpy(mixRealQmfData[i+noQmfSlots2], mixRealQmfData[i], noQmfBands*sizeof(FIXP_QMF));
+      FDKmemcpy(mixImagQmfData[i+noQmfSlots2], mixImagQmfData[i], noQmfBands*sizeof(FIXP_QMF));
 
-  HANDLE_ERROR_INFO error = noError;
-  int ch;
+      FDKmemcpy(mixRealQmfData[i], tmp[0], noQmfBands*sizeof(FIXP_QMF));
+      FDKmemcpy(mixImagQmfData[i], tmp[1], noQmfBands*sizeof(FIXP_QMF));
+    }
 
-  if(hParametricStereo == NULL){
-    error = ERROR(CDI, "Invalid handle hParametricStereo.");
-  }
+    if (hParametricStereo->qmfDelayScale > *qmfScale) {
+      scale = hParametricStereo->qmfDelayScale - *qmfScale;
+      slotOffset = 0;
+    }
+    else {
+      scale = *qmfScale - hParametricStereo->qmfDelayScale;
+      slotOffset = noQmfSlots2;
+    }
 
-  for (ch=0; ch<MAX_PS_CHANNELS; ch++) {
-    if(error == noError){
-      if(noError != (error  = HybridAnalysis(hParametricStereo->hPsChannelData[ch]->hHybAna,
-                                             hParametricStereo->hPsChannelData[ch]->hPsQmfData->rQmfData + HYBRID_READ_OFFSET,
-                                             hParametricStereo->hPsChannelData[ch]->hPsQmfData->iQmfData + HYBRID_READ_OFFSET,
-                                             hParametricStereo->hPsChannelData[ch]->psQmfScale,
-                                             hParametricStereo->hPsChannelData[ch]->hHybData->rHybData + HYBRID_WRITE_OFFSET,
-                                             hParametricStereo->hPsChannelData[ch]->hHybData->iHybData + HYBRID_WRITE_OFFSET,
-                                             &hParametricStereo->hPsChannelData[ch]->hHybData->sf_fixpHybrid))){
-        error = handBack(error);
+    for (i=0; i<noQmfSlots2; i++) {
+      for (j=0; j<noQmfBands; j++) {
+        mixRealQmfData[i+slotOffset][j] >>= scale;
+        mixImagQmfData[i+slotOffset][j] >>= scale;
       }
     }
+
+    scale = *qmfScale;
+    *qmfScale = FDKmin(*qmfScale, hParametricStereo->qmfDelayScale);
+    hParametricStereo->qmfDelayScale = scale;
   }
 
+  } /* valid handle */
+
   return error;
 }
 
-/*
-  name:        HANDLE_ERROR_INFO FDKsbrEnc_PSEnc_ParametricStereoProcessing
-  description: Complete PS Processing:
-               qmf + hybrid analysis of time domain data (left and right channel),
-               PS parameter extraction
-               downmix of qmf data
-  returns:     error code of type HANDLE_ERROR_INFO
-  input:       - HANDLE_PARAMETRIC_STEREO hParametricStereo
-  output:      - HANDLE_PARAMETRIC STEREO hParametricStereo containing extracted PS parameters
-               - FIXP_DBL **qmfDataReal: Pointer to buffer containing downmixed, real qmf data
-               - FIXP_DBL **qmfDataImag: Pointer to buffer containing downmixed, imag qmf data
-               - INT_PCM  **downsampledOutSignal: Pointer to buffer containing downmixed time signal
-               - SCHAR     *qmfScale: Updated scale value for the QMF downmix data
-
-*/
-
-HANDLE_ERROR_INFO
-FDKsbrEnc_PSEnc_ParametricStereoProcessing(HANDLE_PARAMETRIC_STEREO hParametricStereo,
-                                           FIXP_QMF **RESTRICT      qmfDataReal,
-                                           FIXP_QMF **RESTRICT      qmfDataImag,
-                                           INT                      qmfOffset,
-                                           INT_PCM                 *downsampledOutSignal,
-                                           HANDLE_QMF_FILTER_BANK   sbrSynthQmf,
-                                           SCHAR                   *qmfScale,
-                                           const int                sendHeader)
+
+INT FDKsbrEnc_PSEnc_WritePSData(
+        HANDLE_PARAMETRIC_STEREO  hParametricStereo,
+        HANDLE_FDK_BITSTREAM      hBitstream
+        )
 {
-  HANDLE_ERROR_INFO error = noError;
-  FIXP_QMF **downmixedRealQmfData = qmfDataReal+qmfOffset;
-  FIXP_QMF **downmixedImagQmfData = qmfDataImag+qmfOffset;
-  SCHAR dmScale   = 0;
-  INT noQmfBands  = hParametricStereo->noQmfBands;
+  return ( (hParametricStereo!=NULL) ? FDKsbrEnc_WritePSBitstream(&hParametricStereo->psOut[0], hBitstream) : 0 );
+}
 
 
-  if (error == noError) {
-    /* do ps hybrid analysis */
-        if(noError != (error = PSHybridAnalysis(hParametricStereo))){
-      error = handBack(error);
-    }
-  }
-
-  /* find best scaling in new QMF and Hybrid data */
-  psFindBestScaling( hParametricStereo,
-                     hParametricStereo->dynBandScale,
-                     hParametricStereo->maxBandValue,
-                    &hParametricStereo->dmxScale ) ;
+FDK_PSENC_ERROR FDKsbrEnc_PSEnc_ParametricStereoProcessing(
+        HANDLE_PARAMETRIC_STEREO  hParametricStereo,
+        INT_PCM                  *samples[2],
+        UINT                      timeInStride,
+        QMF_FILTER_BANK         **hQmfAnalysis,
+        FIXP_QMF **RESTRICT       downmixedRealQmfData,
+        FIXP_QMF **RESTRICT       downmixedImagQmfData,
+        INT_PCM                  *downsampledOutSignal,
+        HANDLE_QMF_FILTER_BANK    sbrSynthQmf,
+        SCHAR                    *qmfScale,
+        const int                 sendHeader
+        )
+{
+  FDK_PSENC_ERROR error = PSENC_OK;
+  INT noQmfBands  = hParametricStereo->noQmfBands;
+  INT psQmfScale[MAX_PS_CHANNELS] = {0};
+  int psCh, i;
+  C_ALLOC_SCRATCH_START(pWorkBuffer, FIXP_DBL, QMF_CHANNELS*4);    
 
+  for (psCh = 0; psCh<MAX_PS_CHANNELS; psCh ++) {
 
-  if(error == noError){
-    /* extract the ps parameters */
-    if(noError != (error = ExtractPSParameters(hParametricStereo, sendHeader))){
-      error = handBack(error);
-    }
-  }
+    for (i = 0; i < hQmfAnalysis[psCh]->no_col; i++) {
 
-  if(error == noError){
-    /* downmix and hybrid synthesis */
-    if(noError != (error = DownmixPSQmfData(hParametricStereo, downmixedRealQmfData, downmixedImagQmfData, &dmScale))){
-      error = handBack(error);
-    }
-  }
+      qmfAnalysisFilteringSlot(
+          hQmfAnalysis[psCh],
+         &pWorkBuffer[2*QMF_CHANNELS], /* qmfReal[QMF_CHANNELS] */
+         &pWorkBuffer[3*QMF_CHANNELS], /* qmfImag[QMF_CHANNELS] */
+          samples[psCh]+i*(hQmfAnalysis[psCh]->no_channels*timeInStride),
+          timeInStride,
+         &pWorkBuffer[0*QMF_CHANNELS]  /* qmf workbuffer 2*QMF_CHANNELS */
+          );
 
+      FDKhybridAnalysisApply(
+         &hParametricStereo->fdkHybAnaFilter[psCh],
+         &pWorkBuffer[2*QMF_CHANNELS],  /* qmfReal[QMF_CHANNELS] */
+         &pWorkBuffer[3*QMF_CHANNELS],  /* qmfImag[QMF_CHANNELS] */
+          hParametricStereo->pHybridData[i+HYBRID_READ_OFFSET][psCh][0],
+          hParametricStereo->pHybridData[i+HYBRID_READ_OFFSET][psCh][1]
+          );
 
-  if (error == noError)
-  {
-     C_ALLOC_SCRATCH_START(qmfWorkBuffer, FIXP_DBL, QMF_CHANNELS*2);
-    /*
+    } /* no_col loop  i  */
 
-     QMF synthesis including downsampling
+    psQmfScale[psCh] = hQmfAnalysis[psCh]->outScalefactor;
 
-    */
-    QMF_SCALE_FACTOR tmpScale;
-    int scale = -dmScale;
-    tmpScale.lb_scale = scale;
-    tmpScale.ov_lb_scale = scale;
-    tmpScale.hb_scale = scale;
-    tmpScale.ov_hb_scale = 0;
+  } /* for psCh */
 
-    qmfSynthesisFiltering( sbrSynthQmf,
-                           downmixedRealQmfData,
-                           downmixedImagQmfData,
-                          &tmpScale,
-                           0,
-                           downsampledOutSignal,
-                           1,
-                           qmfWorkBuffer );
+  C_ALLOC_SCRATCH_END(pWorkBuffer, FIXP_DBL, QMF_CHANNELS*4);
 
-    C_ALLOC_SCRATCH_END(qmfWorkBuffer, FIXP_DBL, QMF_CHANNELS*2);
+  /* find best scaling in new QMF and Hybrid data */
+  psFindBestScaling( hParametricStereo,
+                    &hParametricStereo->pHybridData[HYBRID_READ_OFFSET],
+                     hParametricStereo->dynBandScale,
+                     hParametricStereo->maxBandValue,
+                    &hParametricStereo->dmxScale ) ;
 
 
+  /* extract the ps parameters */
+  if(PSENC_OK != (error = ExtractPSParameters(hParametricStereo, sendHeader, &hParametricStereo->pHybridData[0]))){
+    goto bail;
   }
 
-  /* scaling in sbr module differs -> scaling update */
-  *qmfScale = -dmScale  + 7;
-
-
-  /*
-   * Do PS to SBR QMF data transfer/scaling buffer shifting, delay lines etc.
-   */
-  {
-    INT noQmfSlots2 = hParametricStereo->noQmfSlots>>1;
-
-    FIXP_QMF r_tmp1;
-    FIXP_QMF i_tmp1;
-    FIXP_QMF **delayQmfReal = hParametricStereo->qmfDelayReal;
-    FIXP_QMF **delayQmfImag = hParametricStereo->qmfDelayImag;
-    INT scale, i, j;
-
-    if (hParametricStereo->qmfDelayScale > *qmfScale) {
-      scale = hParametricStereo->qmfDelayScale - *qmfScale;
+  /* save hybrid date for next frame */
+  for (i=0; i<HYBRID_READ_OFFSET; i++) {
+    FDKmemcpy(hParametricStereo->pHybridData[i][0][0], hParametricStereo->pHybridData[HYBRID_FRAMESIZE+i][0][0], MAX_HYBRID_BANDS*sizeof(FIXP_DBL)); /* left, real */
+    FDKmemcpy(hParametricStereo->pHybridData[i][0][1], hParametricStereo->pHybridData[HYBRID_FRAMESIZE+i][0][1], MAX_HYBRID_BANDS*sizeof(FIXP_DBL)); /* left, imag */
+    FDKmemcpy(hParametricStereo->pHybridData[i][1][0], hParametricStereo->pHybridData[HYBRID_FRAMESIZE+i][1][0], MAX_HYBRID_BANDS*sizeof(FIXP_DBL)); /* right, real */
+    FDKmemcpy(hParametricStereo->pHybridData[i][1][1], hParametricStereo->pHybridData[HYBRID_FRAMESIZE+i][1][1], MAX_HYBRID_BANDS*sizeof(FIXP_DBL)); /* right, imag */
+  }
 
-      for (i=0; i<noQmfSlots2; i++) {
-        for (j=0; j<noQmfBands; j++) {
-          r_tmp1 = qmfDataReal[i][j];
-          i_tmp1 = qmfDataImag[i][j];
-
-          qmfDataReal[i][j] = delayQmfReal[i][j] >> scale;
-          qmfDataImag[i][j] = delayQmfImag[i][j] >> scale;
-          delayQmfReal[i][j] = qmfDataReal[i+noQmfSlots2][j];
-          delayQmfImag[i][j] = qmfDataImag[i+noQmfSlots2][j];
-          qmfDataReal[i+noQmfSlots2][j] = r_tmp1;
-          qmfDataImag[i+noQmfSlots2][j] = i_tmp1;
-        }
-      }
-      hParametricStereo->qmfDelayScale = *qmfScale;
-    }
-    else {
-      scale = *qmfScale - hParametricStereo->qmfDelayScale;
-      for (i=0; i<noQmfSlots2; i++) {
-        for (j=0; j<noQmfBands; j++) {
-          r_tmp1 = qmfDataReal[i][j];
-          i_tmp1 = qmfDataImag[i][j];
-
-          qmfDataReal[i][j] = delayQmfReal[i][j];
-          qmfDataImag[i][j] = delayQmfImag[i][j];
-          delayQmfReal[i][j] = qmfDataReal[i+noQmfSlots2][j];
-          delayQmfImag[i][j] = qmfDataImag[i+noQmfSlots2][j];
-          qmfDataReal[i+noQmfSlots2][j] = r_tmp1 >> scale;
-          qmfDataImag[i+noQmfSlots2][j] = i_tmp1 >> scale;
-        }
-      }
-      scale = *qmfScale;
-      *qmfScale = hParametricStereo->qmfDelayScale;
-      hParametricStereo->qmfDelayScale = scale;
-    }
+  /* downmix and hybrid synthesis */
+  if (PSENC_OK != (error = DownmixPSQmfData(hParametricStereo, sbrSynthQmf, downmixedRealQmfData, downmixedImagQmfData, downsampledOutSignal, &hParametricStereo->pHybridData[HYBRID_READ_OFFSET], hParametricStereo->noQmfSlots, psQmfScale, qmfScale))) {
+    goto bail;
   }
 
+bail:
+
   return error;
 }
 
-static void psFindBestScaling(HANDLE_PARAMETRIC_STEREO hParametricStereo,
-                              UCHAR  *RESTRICT dynBandScale,
-                              FIXP_QMF *RESTRICT maxBandValue,
-                              SCHAR  *RESTRICT dmxScale)
+static void psFindBestScaling(
+        HANDLE_PARAMETRIC_STEREO  hParametricStereo,
+        FIXP_DBL                 *hybridData[HYBRID_FRAMESIZE][MAX_PS_CHANNELS][2],
+        UCHAR                    *dynBandScale,
+        FIXP_QMF                 *maxBandValue,
+        SCHAR                    *dmxScale
+        )
 {
   HANDLE_PS_ENCODE hPsEncode      =  hParametricStereo->hPsEncode;
-  HANDLE_PS_HYBRID_DATA hHybDatal =  hParametricStereo->hPsChannelData[0]->hHybData;
-
-  INT group, bin, border, col, band;
-  INT frameSize    = FDKsbrEnc_GetHybridFrameSize(hHybDatal); /* same as FDKsbrEnc_GetHybridFrameSize(hHybDatar) */
-  INT psBands      = (INT) hPsEncode->psEncMode;
-  INT nIidGroups   = hPsEncode->nQmfIidGroups + hPsEncode->nSubQmfIidGroups;
-
-  FIXP_QMF **lr = hParametricStereo->hPsChannelData[0]->hHybData->rHybData;
-  FIXP_QMF **li = hParametricStereo->hPsChannelData[0]->hHybData->iHybData;
-  FIXP_QMF **rr = hParametricStereo->hPsChannelData[1]->hHybData->rHybData;
-  FIXP_QMF **ri = hParametricStereo->hPsChannelData[1]->hHybData->iHybData;
-  FIXP_QMF **lrBuffer = hParametricStereo->hPsChannelData[0]->hPsQmfData->rQmfData;
-  FIXP_QMF **liBuffer = hParametricStereo->hPsChannelData[0]->hPsQmfData->iQmfData;
-  FIXP_QMF **rrBuffer = hParametricStereo->hPsChannelData[1]->hPsQmfData->rQmfData;
-  FIXP_QMF **riBuffer = hParametricStereo->hPsChannelData[1]->hPsQmfData->iQmfData;
+
+  INT group, bin, col, band;
+  const INT frameSize  = hParametricStereo->noQmfSlots;
+  const INT psBands    = (INT) hPsEncode->psEncMode;
+  const INT nIidGroups = hPsEncode->nQmfIidGroups + hPsEncode->nSubQmfIidGroups;
 
   /* group wise scaling */
   FIXP_QMF maxVal [2][PS_MAX_BANDS];
   FIXP_QMF maxValue = FL2FXCONST_DBL(0.f);
 
-  INT nHybridQmfOffset = 0;
-
-  UCHAR switched = 0;
-
   FDKmemclear(maxVal, sizeof(maxVal));
 
   /* start with hybrid data */
@@ -1004,53 +502,32 @@ static void psFindBestScaling(HANDLE_PARAMETRIC_STEREO hParametricStereo,
     /* Translate group to bin */
     bin = hPsEncode->subband2parameterIndex[group];
 
-    if (!switched && group == hPsEncode->nSubQmfIidGroups) {
-      /* switch to qmf data */
-      lr = lrBuffer; li = liBuffer;
-      rr = rrBuffer; ri = riBuffer;
-
-      /* calc offset between hybrid subsubbands and qmf bands */
-      nHybridQmfOffset = FDKsbrEnc_GetNumberHybridQmfBands(hHybDatal) - FDKsbrEnc_GetNumberHybridBands(hHybDatal);
-      switched = 1;
-    }
-
     /* Translate from 20 bins to 10 bins */
     if (hPsEncode->psEncMode == PS_BANDS_COARSE) {
       bin >>= 1;
     }
 
-    /* determine group border */
-    border = hPsEncode->iidGroupBorders[group+1];
-
     /* QMF downmix scaling */
     {
       FIXP_QMF tmp = maxVal[0][bin];
       int i;
-      for (col=HYBRID_READ_OFFSET; col<frameSize; col++) {
-        FIXP_QMF *pLR = &lr[col][hPsEncode->iidGroupBorders[group] + nHybridQmfOffset];
-        FIXP_QMF *pLI = &li[col][hPsEncode->iidGroupBorders[group] + nHybridQmfOffset];
-        FIXP_QMF *pRR = &rr[col][hPsEncode->iidGroupBorders[group] + nHybridQmfOffset];
-        FIXP_QMF *pRI = &ri[col][hPsEncode->iidGroupBorders[group] + nHybridQmfOffset];
-        for (i = 0; i<border-hPsEncode->iidGroupBorders[group]; i++) {
-          tmp = fixMax(tmp, (FIXP_QMF)fixp_abs(*pLR++));
-          tmp = fixMax(tmp, (FIXP_QMF)fixp_abs(*pLI++));
-          tmp = fixMax(tmp, (FIXP_QMF)fixp_abs(*pRR++));
-          tmp = fixMax(tmp, (FIXP_QMF)fixp_abs(*pRI++));
+      for (col=0; col<frameSize-HYBRID_READ_OFFSET; col++) {
+        for (i = hPsEncode->iidGroupBorders[group]; i < hPsEncode->iidGroupBorders[group+1]; i++) {
+          tmp = fixMax(tmp, (FIXP_QMF)fixp_abs(hybridData[col][0][0][i]));
+          tmp = fixMax(tmp, (FIXP_QMF)fixp_abs(hybridData[col][0][1][i]));
+          tmp = fixMax(tmp, (FIXP_QMF)fixp_abs(hybridData[col][1][0][i]));
+          tmp = fixMax(tmp, (FIXP_QMF)fixp_abs(hybridData[col][1][1][i]));
         }
       }
       maxVal[0][bin] = tmp;
 
       tmp = maxVal[1][bin];
-      for (col=frameSize; col<HYBRID_READ_OFFSET+frameSize; col++) {
-        FIXP_QMF *pLR = &lr[col][hPsEncode->iidGroupBorders[group] + nHybridQmfOffset];
-        FIXP_QMF *pLI = &li[col][hPsEncode->iidGroupBorders[group] + nHybridQmfOffset];
-        FIXP_QMF *pRR = &rr[col][hPsEncode->iidGroupBorders[group] + nHybridQmfOffset];
-        FIXP_QMF *pRI = &ri[col][hPsEncode->iidGroupBorders[group] + nHybridQmfOffset];
-        for (i = 0; i<border-hPsEncode->iidGroupBorders[group]; i++) {
-          tmp = fixMax(tmp, (FIXP_QMF)fixp_abs(*pLR++));
-          tmp = fixMax(tmp, (FIXP_QMF)fixp_abs(*pLI++));
-          tmp = fixMax(tmp, (FIXP_QMF)fixp_abs(*pRR++));
-          tmp = fixMax(tmp, (FIXP_QMF)fixp_abs(*pRI++));
+      for (col=frameSize-HYBRID_READ_OFFSET; col<frameSize; col++) {
+        for (i = hPsEncode->iidGroupBorders[group]; i < hPsEncode->iidGroupBorders[group+1]; i++) {
+          tmp = fixMax(tmp, (FIXP_QMF)fixp_abs(hybridData[col][0][0][i]));
+          tmp = fixMax(tmp, (FIXP_QMF)fixp_abs(hybridData[col][0][1][i]));
+          tmp = fixMax(tmp, (FIXP_QMF)fixp_abs(hybridData[col][1][0][i]));
+          tmp = fixMax(tmp, (FIXP_QMF)fixp_abs(hybridData[col][1][1][i]));
         }
       }
       maxVal[1][bin] = tmp;
diff --git a/libSBRenc/src/ps_main.h b/libSBRenc/src/ps_main.h
index b2fac92..4833fe0 100644
--- a/libSBRenc/src/ps_main.h
+++ b/libSBRenc/src/ps_main.h
@@ -30,74 +30,49 @@
 
 /* Includes ******************************************************************/
 #include "sbr_def.h"
-#include "psenc_hybrid.h"
+#include "qmf.h"
 #include "ps_encode.h"
 #include "FDK_bitstream.h"
+#include "FDK_hybrid.h"
+
 
 /* Data Types ****************************************************************/
 typedef enum {
   PSENC_STEREO_BANDS_INVALID = 0,
-  PSENC_STEREO_BANDS_10 = 10,
-  PSENC_STEREO_BANDS_20 = 20,
-  PSENC_STEREO_BANDS_34 = 34
+  PSENC_STEREO_BANDS_10      = 10,
+  PSENC_STEREO_BANDS_20      = 20
+
 } PSENC_STEREO_BANDS_CONFIG;
 
 typedef enum {
-  PSENC_NENV_1 = 1,
-  PSENC_NENV_2 = 2,
-  PSENC_NENV_4 = 4,
-  PSENC_NENV_DEFAULT = PSENC_NENV_2,
-  PSENC_NENV_MAX = PSENC_NENV_4
-} PSENC_NENV_CONFIG;
+  PSENC_NENV_1               = 1,
+  PSENC_NENV_2               = 2,
+  PSENC_NENV_4               = 4,
+  PSENC_NENV_DEFAULT         = PSENC_NENV_2,
+  PSENC_NENV_MAX             = PSENC_NENV_4
 
-#define MAX_PS_CHANNELS          (  2 )
-#define PSENC_QMF_BUFFER_LENGTH  ( 48 )
+} PSENC_NENV_CONFIG;
 
 typedef struct {
-
-  UINT              bitrateFrom;   /* inclusive */
-  UINT              bitrateTo;     /* exclusive */
-  PSENC_STEREO_BANDS_CONFIG nStereoBands;
-  PSENC_NENV_CONFIG         nEnvelopes;
-  LONG                      iidQuantErrorThreshold;  /* quantization threshold to switch between coarse and fine iid quantization */
+  UINT                        bitrateFrom;   /* inclusive */
+  UINT                        bitrateTo;     /* exclusive */
+  PSENC_STEREO_BANDS_CONFIG   nStereoBands;
+  PSENC_NENV_CONFIG           nEnvelopes;
+  LONG                        iidQuantErrorThreshold;  /* quantization threshold to switch between coarse and fine iid quantization */
 
 } psTuningTable_t;
 
 /* Function / Class Declarations *********************************************/
 
-typedef struct T_PS_QMF_DATA
-{
-  FIXP_QMF *rQmfData[PSENC_QMF_BUFFER_LENGTH];
-  FIXP_QMF *iQmfData[PSENC_QMF_BUFFER_LENGTH];
-  INT     nCols;
-  INT     nRows;
-  INT     bufferReadOffset;
-  INT     bufferReadOffsetHybrid;
-  INT     bufferWriteOffset;
-  INT     bufferLength;
-} PS_QMF_DATA, *HANDLE_PS_QMF_DATA;
-
-typedef struct T_PS_CHANNEL_DATA {
-  HANDLE_PS_QMF_DATA         hPsQmfData;
-
-  int                        psQmfScale;
-  HANDLE_PS_HYBRID_DATA      hHybData;
-  HANDLE_PS_HYBRID           hHybAna;
-  INT                        psChannelDelay; /* delay in samples */
-} PS_CHANNEL_DATA, *HANDLE_PS_CHANNEL_DATA;
-
 typedef struct T_PARAMETRIC_STEREO {
-
-  HANDLE_PS_HYBRID_CONFIG     hHybridConfig;
-  HANDLE_PS_CHANNEL_DATA      hPsChannelData[MAX_PS_CHANNELS];
   HANDLE_PS_ENCODE            hPsEncode;
-  HANDLE_PS_OUT               hPsOut[2];
+  PS_OUT                      psOut[2];
 
-  FIXP_QMF  *qmfDelayReal[QMF_MAX_TIME_SLOTS>>1];
-  FIXP_QMF  *qmfDelayImag[QMF_MAX_TIME_SLOTS>>1];
-  FIXP_QMF  *qmfDelayRealRef;
-  FIXP_QMF  *qmfDelayImagRef;
-  int        qmfDelayScale;
+  FIXP_DBL                    __staticHybridData[HYBRID_READ_OFFSET][MAX_PS_CHANNELS][2][MAX_HYBRID_BANDS];
+  FIXP_DBL                   *pHybridData[HYBRID_READ_OFFSET+HYBRID_FRAMESIZE][MAX_PS_CHANNELS][2];
+
+  FIXP_QMF                    qmfDelayLines[2][QMF_MAX_TIME_SLOTS>>1][QMF_CHANNELS];
+  int                         qmfDelayScale;
 
   INT                         psDelay;
   UINT                        maxEnvelopes;
@@ -108,53 +83,126 @@ typedef struct T_PARAMETRIC_STEREO {
   INT                         noQmfSlots;
   INT                         noQmfBands;
 
-} PARAMETRIC_STEREO;
+  FIXP_DBL                    __staticHybAnaStatesLF[MAX_PS_CHANNELS][2*HYBRID_FILTER_LENGTH*HYBRID_MAX_QMF_BANDS];
+  FIXP_DBL                    __staticHybAnaStatesHF[MAX_PS_CHANNELS][2*HYBRID_FILTER_DELAY*(QMF_CHANNELS-HYBRID_MAX_QMF_BANDS)];
+  FDK_ANA_HYB_FILTER          fdkHybAnaFilter[MAX_PS_CHANNELS];
+  FDK_SYN_HYB_FILTER          fdkHybSynFilter;
 
+} PARAMETRIC_STEREO;
 
 
 typedef struct T_PSENC_CONFIG {
-
-  INT                       frameSize;
-  INT                       qmfFilterMode;
-  INT                       sbrPsDelay;
-  PSENC_STEREO_BANDS_CONFIG nStereoBands;
-  PSENC_NENV_CONFIG         maxEnvelopes;
-  FIXP_DBL                  iidQuantErrorThreshold;
+  INT                         frameSize;
+  INT                         qmfFilterMode;
+  INT                         sbrPsDelay;
+  PSENC_STEREO_BANDS_CONFIG   nStereoBands;
+  PSENC_NENV_CONFIG           maxEnvelopes;
+  FIXP_DBL                    iidQuantErrorThreshold;
 
 } PSENC_CONFIG, *HANDLE_PSENC_CONFIG;
 
 typedef struct T_PARAMETRIC_STEREO *HANDLE_PARAMETRIC_STEREO;
 
 
-HANDLE_ERROR_INFO
-PSEnc_Create(HANDLE_PARAMETRIC_STEREO *phParametricStereo);
-
-HANDLE_ERROR_INFO
-PSEnc_Init(HANDLE_PARAMETRIC_STEREO    hParametricStereo,
-             HANDLE_PSENC_CONFIG       hPsEncConfig,
-             INT                       noQmfSlots,
-             INT                       noQmfBands
-            ,UCHAR                   *dynamic_RAM
-            );
-
-HANDLE_ERROR_INFO
-UpdatePSQmfData_second(HANDLE_PARAMETRIC_STEREO hParametricStereo);
-
-HANDLE_ERROR_INFO
-PSEnc_Destroy(HANDLE_PARAMETRIC_STEREO *hParametricStereo);
-
-
-HANDLE_ERROR_INFO
-FDKsbrEnc_PSEnc_ParametricStereoProcessing(HANDLE_PARAMETRIC_STEREO hParametricStereo,
-                                           FIXP_QMF **RESTRICT qmfRealData,
-                                           FIXP_QMF **RESTRICT qmfImagData,
-                                           INT                 qmfOffset,
-                                           INT_PCM            *downsampledOutSignal,
-                                           HANDLE_QMF_FILTER_BANK sbrSynthQmf,
-                                           SCHAR              *qmfScale,
-                                           const int           sendHeader);
-
-INT
-FDKsbrEnc_PSEnc_WritePSData(HANDLE_PARAMETRIC_STEREO hParametricStereo, HANDLE_FDK_BITSTREAM hBitstream);
+/**
+ * \brief  Create a parametric stereo encoder instance.
+ *
+ * \param phParametricStereo    A pointer to a parametric stereo handle to be allocated. Initialized on return.
+ *
+ * \return
+ *          - PSENC_OK, on succes.
+ *          - PSENC_INVALID_HANDLE, PSENC_MEMORY_ERROR, on failure.
+ */
+FDK_PSENC_ERROR PSEnc_Create(
+        HANDLE_PARAMETRIC_STEREO *phParametricStereo
+        );
+
+
+/**
+ * \brief  Initialize a parametric stereo encoder instance.
+ *
+ * \param hParametricStereo     Meta Data handle.
+ * \param hPsEncConfig          Filled parametric stereo configuration structure.
+ * \param noQmfSlots            Number of slots within one audio frame.
+ * \param noQmfBands            Number of QMF bands.
+ * \param dynamic_RAM           Pointer to preallocated workbuffer.
+ *
+ * \return
+ *          - PSENC_OK, on succes.
+ *          - PSENC_INVALID_HANDLE, PSENC_INIT_ERROR, on failure.
+ */
+FDK_PSENC_ERROR PSEnc_Init(
+        HANDLE_PARAMETRIC_STEREO  hParametricStereo,
+        const HANDLE_PSENC_CONFIG hPsEncConfig,
+        INT                       noQmfSlots,
+        INT                       noQmfBands
+       ,UCHAR                    *dynamic_RAM
+        );
+
+
+/**
+ * \brief  Destroy parametric stereo encoder instance.
+ *
+ * Deallocate instance and free whole memory.
+ *
+ * \param phParametricStereo    Pointer to the parametric stereo handle to be deallocated.
+ *
+ * \return
+ *          - PSENC_OK, on succes.
+ *          - PSENC_INVALID_HANDLE, on failure.
+ */
+FDK_PSENC_ERROR PSEnc_Destroy(
+        HANDLE_PARAMETRIC_STEREO *phParametricStereo
+        );
+
+
+/**
+ * \brief  Apply parametric stereo processing.
+ *
+ * \param hParametricStereo     Meta Data handle.
+ * \param samples               Pointer to 2 channel audio input signal.
+ * \param timeInStride,         Stride factor of input buffer.
+ * \param hQmfAnalysis,         Pointer to QMF analysis filterbanks.
+ * \param downmixedRealQmfData  Pointer to real QMF buffer to be written to.
+ * \param downmixedImagQmfData  Pointer to imag QMF buffer to be written to.
+ * \param downsampledOutSignal  Pointer to buffer where to write downmixed timesignal.
+ * \param sbrSynthQmf           Pointer to QMF synthesis filterbank.
+ * \param qmfScale              Return scaling factor of the qmf data.
+ * \param sendHeader            Signal whether to write header data.
+ *
+ * \return
+ *          - PSENC_OK, on succes.
+ *          - PSENC_INVALID_HANDLE, PSENC_ENCODE_ERROR, on failure.
+ */
+FDK_PSENC_ERROR FDKsbrEnc_PSEnc_ParametricStereoProcessing(
+        HANDLE_PARAMETRIC_STEREO  hParametricStereo,
+        INT_PCM                  *samples[2],
+        UINT                      timeInStride,
+        QMF_FILTER_BANK         **hQmfAnalysis,
+        FIXP_QMF **RESTRICT       downmixedRealQmfData,
+        FIXP_QMF **RESTRICT       downmixedImagQmfData,
+        INT_PCM                  *downsampledOutSignal,
+        HANDLE_QMF_FILTER_BANK    sbrSynthQmf,
+        SCHAR                    *qmfScale,
+        const int                 sendHeader
+        );
+
+
+/**
+ * \brief  Write parametric stereo bitstream.
+ *
+ * Write ps_data() element to bitstream and return number of written bits.
+ * Returns number of written bits only, if hBitstream == NULL.
+ *
+ * \param hParametricStereo     Meta Data handle.
+ * \param hBitstream            Bitstream buffer handle.
+ *
+ * \return
+ *          - number of written bits.
+ */
+INT FDKsbrEnc_PSEnc_WritePSData(
+        HANDLE_PARAMETRIC_STEREO  hParametricStereo,
+        HANDLE_FDK_BITSTREAM      hBitstream
+        );
 
 #endif /* __INCLUDED_PS_MAIN_H */
diff --git a/libSBRenc/src/psenc_hybrid.cpp b/libSBRenc/src/psenc_hybrid.cpp
deleted file mode 100644
index a314678..0000000
--- a/libSBRenc/src/psenc_hybrid.cpp
+++ /dev/null
@@ -1,836 +0,0 @@
-/*****************************  MPEG Audio Encoder  ***************************
-
-                     (C) Copyright Fraunhofer IIS (2004-2005)
-                               All Rights Reserved
-
-    Please be advised that this software and/or program delivery is
-    Confidential Information of Fraunhofer and subject to and covered by the
-
-    Fraunhofer IIS Software Evaluation Agreement
-    between Google Inc. and  Fraunhofer
-    effective and in full force since March 1, 2012.
-
-    You may use this software and/or program only under the terms and
-    conditions described in the above mentioned Fraunhofer IIS Software
-    Evaluation Agreement. Any other and/or further use requires a separate agreement.
-
-
-   $Id$
-   Initial author:       M. Neuendorf, M. Multrus
-   contents/description: hybrid analysis filter bank
-
-   This software and/or program is protected by copyright law and international
-   treaties. Any reproduction or distribution of this software and/or program,
-   or any portion of it, may result in severe civil and criminal penalties, and
-   will be prosecuted to the maximum extent possible under law.
-
-******************************************************************************/
-
-#include "psenc_hybrid.h"
-
-
-/* Includes ******************************************************************/
-
-#include "psenc_hybrid.h"
-#include "sbr_ram.h"
-
-#include "fft.h"
-
-#include "genericStds.h"
-
-/* Defines *******************************************************************/
-
-#define HYBRID_SCALE                    4
-
-/*//#define FAST_FILTER2
-#define FAST_FILTER4
-#define FAST_FILTER8
-#define FAST_FILTER12
-*/
-#define HYBRID_INVERSE_ORDER            ( 0x0F000000 )
-#define HYBRID_INVERSE_MASK             ( ~HYBRID_INVERSE_ORDER )
-
-//#define REAL                            ( 0 )
-//#define CPLX                            ( 1 )
-
-#define cos0Pi   FL2FXCONST_DBL( 1.f)
-#define sin0Pi   FL2FXCONST_DBL( 0.f)
-#define cos1Pi   FL2FXCONST_DBL(-1.f)
-#define sin1Pi   FL2FXCONST_DBL( 0.f)
-#define cos1Pi_2 FL2FXCONST_DBL( 0.f)
-#define sin1Pi_2 FL2FXCONST_DBL( 1.f)
-#define cos1Pi_3 FL2FXCONST_DBL( 0.5f)
-#define sin1Pi_3 FL2FXCONST_DBL( 0.86602540378444f)
-
-#define cos0Pi_4  cos0Pi
-#define cos1Pi_4  FL2FXCONST_DBL(0.70710678118655f)
-#define cos2Pi_4  cos1Pi_2
-#define cos3Pi_4  (-cos1Pi_4)
-#define cos4Pi_4  (-cos0Pi_4)
-#define cos5Pi_4  cos3Pi_4
-#define cos6Pi_4  cos2Pi_4
-
-#define sin0Pi_4  sin0Pi
-#define sin1Pi_4  FL2FXCONST_DBL(0.70710678118655f)
-#define sin2Pi_4  sin1Pi_2
-#define sin3Pi_4  sin1Pi_4
-#define sin4Pi_4  sin0Pi_4
-#define sin5Pi_4  (-sin3Pi_4)
-#define sin6Pi_4  (-sin2Pi_4)
-
-#define cos0Pi_8  cos0Pi
-#define cos1Pi_8  FL2FXCONST_DBL(0.92387953251129f)
-#define cos2Pi_8  cos1Pi_4
-#define cos3Pi_8  FL2FXCONST_DBL(0.38268343236509f)
-#define cos4Pi_8  cos2Pi_4
-#define cos5Pi_8  (-cos3Pi_8)
-#define cos6Pi_8  (-cos2Pi_8)
-
-#define sin0Pi_8 sin0Pi
-#define sin1Pi_8 cos3Pi_8
-#define sin2Pi_8 sin1Pi_4
-#define sin3Pi_8 cos1Pi_8
-#define sin4Pi_8 sin2Pi_4
-#define sin5Pi_8 sin3Pi_8
-#define sin6Pi_8 sin1Pi_4
-
-#define cos0Pi_12 cos0Pi
-#define cos1Pi_12 FL2FXCONST_DBL(0.96592582628906f)
-#define cos2Pi_12 FL2FXCONST_DBL(0.86602540378444f)
-#define cos3Pi_12 cos1Pi_4
-#define cos4Pi_12 cos1Pi_3
-#define cos5Pi_12 FL2FXCONST_DBL(0.25881904510252f)
-#define cos6Pi_12 cos1Pi_2
-
-#define sin0Pi_12 sin0Pi
-#define sin1Pi_12 cos5Pi_12
-#define sin2Pi_12 cos4Pi_12
-#define sin3Pi_12 sin1Pi_4
-#define sin4Pi_12 sin1Pi_3
-#define sin5Pi_12 cos1Pi_12
-#define sin6Pi_12 sin1Pi_2
-
-#define FFT_IDX_R(a)  (2*a)
-#define FFT_IDX_I(a)  (2*a+1)
-
-
-/* Constants *****************************************************************/
-
-/* static const UINT noQmfBandsInHybrid34 = 5; */
-
-static const INT aHybridResolution10[] = { HYBRID_6_CPLX,
-                                           HYBRID_2_REAL | HYBRID_INVERSE_ORDER,
-                                           HYBRID_2_REAL };
-
-static const INT aHybridResolution20[] = { HYBRID_6_CPLX,
-                                           HYBRID_2_REAL | HYBRID_INVERSE_ORDER,
-                                           HYBRID_2_REAL };
-
-/*static const INT aHybridResolution34[] = { HYBRID_12_CPLX,
-                                           HYBRID_8_CPLX,
-                                           HYBRID_4_CPLX,
-                                           HYBRID_4_CPLX,
-                                           HYBRID_4_CPLX };*/
-
-static const FIXP_DBL p8_13_20[HYBRID_FILTER_LENGTH] =
-{
-  FL2FXCONST_DBL(0.00746082949812f),  FL2FXCONST_DBL(0.02270420949825f),  FL2FXCONST_DBL(0.04546865930473f),  FL2FXCONST_DBL(0.07266113929591f),
-  FL2FXCONST_DBL(0.09885108575264f),  FL2FXCONST_DBL(0.11793710567217f),  FL2FXCONST_DBL(0.125f           ),  FL2FXCONST_DBL(0.11793710567217f),
-  FL2FXCONST_DBL(0.09885108575264f),  FL2FXCONST_DBL(0.07266113929591f),  FL2FXCONST_DBL(0.04546865930473f),  FL2FXCONST_DBL(0.02270420949825f),
-  FL2FXCONST_DBL(0.00746082949812f)
-};
-
-static const FIXP_DBL p2_13_20[HYBRID_FILTER_LENGTH] =
-{
-  FL2FXCONST_DBL(0.0f), FL2FXCONST_DBL( 0.01899487526049f),  FL2FXCONST_DBL(0.0f), FL2FXCONST_DBL(-0.07293139167538f),
-  FL2FXCONST_DBL(0.0f), FL2FXCONST_DBL( 0.30596630545168f),  FL2FXCONST_DBL(0.5f), FL2FXCONST_DBL( 0.30596630545168f),
-  FL2FXCONST_DBL(0.0f), FL2FXCONST_DBL(-0.07293139167538f),  FL2FXCONST_DBL(0.0f), FL2FXCONST_DBL( 0.01899487526049f),
-  FL2FXCONST_DBL(0.0f)
-};
-
-
-/*static const float p12_13_34[HYBRID_FILTER_LENGTH] =
-{
-  0.04081179924692,  0.03812810994926,  0.05144908135699,  0.06399831151592,
-  0.07428313801106,  0.08100347892914,  0.08333333333333,  0.08100347892914,
-  0.07428313801106,  0.06399831151592,  0.05144908135699,  0.03812810994926,
-  0.04081179924692
-};
-
-static const float p8_13_34[HYBRID_FILTER_LENGTH] =
-{
-  0.01565675600122,  0.03752716391991,  0.05417891378782,  0.08417044116767,
-  0.10307344158036,  0.12222452249753,  0.12500000000000,  0.12222452249753,
-  0.10307344158036,  0.08417044116767,  0.05417891378782,  0.03752716391991,
-  0.01565675600122
-};
-
-static const float p4_13_34[HYBRID_FILTER_LENGTH] =
-{
- -0.05908211155639, -0.04871498374946,  0.0,               0.07778723915851,
-  0.16486303567403,  0.23279856662996,  0.25,              0.23279856662996,
-  0.16486303567403,  0.07778723915851,  0.0,              -0.04871498374946,
- -0.05908211155639
-};*/
-
-
-/* Function / Class Implementation *******************************************/
-
-
-
-/*****************************************************************************/
-/* **** FILTERBANK CONFIG **** */
-
-HANDLE_ERROR_INFO FDKsbrEnc_CreateHybridConfig(HANDLE_PS_HYBRID_CONFIG *phHybConfig,
-                                               PS_BANDS mode)
-{
-  HANDLE_ERROR_INFO error = noError;
-  HANDLE_PS_HYBRID_CONFIG h = NULL;
-  UINT k = 0;
-
-  if (error == noError) {
-    h = *phHybConfig; /* Simplify your life */
-    h->mode = mode;
-
-    switch (mode) {
-    case PS_BANDS_MID:
-      h->noQmfBandsInHybrid = NO_QMF_BANDS_HYBRID_20;
-      for (k=0; k<h->noQmfBandsInHybrid; k++) {
-        h->aHybridResolution[k] = aHybridResolution20[k];
-      }
-      break;
-
-    case PS_BANDS_FINE:
-      /*h->noQmfBandsInHybrid = noQmfBandsInHybrid34;
-      for (k=0; k<h->noQmfBandsInHybrid; k++) {
-        h->aHybridResolution[k] = aHybridResolution34[k];
-      }*/
-      FDK_ASSERT(0); /* we don't support! */
-      break;
-
-    case PS_BANDS_COARSE:
-      h->noQmfBandsInHybrid = NO_QMF_BANDS_HYBRID_10;
-      for (k=0; k<h->noQmfBandsInHybrid; k++) {
-        h->aHybridResolution[k] = aHybridResolution10[k];
-      }
-      break;
-
-    default:
-      error = ERROR(CDI, "Invalid hybrid filter bank configuration.");
-      break;
-    }
-  }
-
-  return error;
-}
-
-/*****************************************************************************/
-/* **** FILTERBANK DATA **** */
-
-HANDLE_ERROR_INFO FDKsbrEnc_CreateHybridData(HANDLE_PS_HYBRID_DATA *phHybData,
-                                   INT ch)
-{
-  HANDLE_ERROR_INFO error = noError;
-  int k;
-
-  HANDLE_PS_HYBRID_DATA hHybData = GetRam_HybData(ch);
-  if (hHybData==NULL) {
-    error = 1;
-    goto bail;
-  }
-
-  FDKmemclear(hHybData, sizeof(PS_HYBRID_DATA));
-
-  hHybData->rHybData[0] = GetRam_PsRhyb(ch);
-  hHybData->iHybData[0] = GetRam_PsIhyb(ch);
-  if ( (hHybData->rHybData[0]==NULL) || (hHybData->iHybData[0]==NULL) ) {
-    error = 1;
-    goto bail;
-  }
-
-
-
-  for (k=1; k<(HYBRID_FRAMESIZE+HYBRID_WRITEOFFSET); k++) {
-    hHybData->rHybData[k] = hHybData->rHybData[0] + (k*HYBRID_NUM_BANDS);
-    hHybData->iHybData[k] = hHybData->iHybData[0] + (k*HYBRID_NUM_BANDS);
-  }
-
-bail:
-  *phHybData = hHybData;
-  return error;
-}
-
-
-HANDLE_ERROR_INFO FDKsbrEnc_InitHybridData(HANDLE_PS_HYBRID_DATA hHybData,
-                                   HANDLE_PS_HYBRID_CONFIG  hHybConfig,
-                                   INT frameSize)
-{
-  HANDLE_ERROR_INFO error = noError;
-  INT nHybridBands = 0;
-  INT k = 0;
-  INT noBands = 0;
-  const INT *hybridRes = NULL;
-
-  if (hHybConfig != NULL) {
-    noBands = hHybConfig->noQmfBandsInHybrid;
-    hybridRes = hHybConfig->aHybridResolution;
-  }
-
-  for (k=0; k<noBands; k++) {
-    nHybridBands += (hybridRes[k] & HYBRID_INVERSE_MASK);
-  }
-  FDK_ASSERT (HYBRID_NUM_BANDS>=nHybridBands);
-
-  hHybData->hybDataReadOffset = HYBRID_DATA_READ_OFFSET;
-  hHybData->hybDataWriteOffset = HYBRID_WRITEOFFSET;
-
-  for (k=0; k<(HYBRID_FRAMESIZE+HYBRID_WRITEOFFSET); k++) {
-    FDKmemclear(hHybData->rHybData[k], sizeof(FIXP_QMF)*HYBRID_NUM_BANDS);
-    FDKmemclear(hHybData->iHybData[k], sizeof(FIXP_QMF)*HYBRID_NUM_BANDS);
-  }
-
-  hHybData->frameSize       = frameSize;
-  hHybData->nHybridBands    = nHybridBands;
-  hHybData->nHybridQmfBands = noBands;
-
-  /* store hybrid resoltion in hybrid data handle */
-  FDK_ASSERT (HYBRID_MAX_QMF_BANDS>=hHybData->nHybridQmfBands);
-  for(k = 0; k<hHybData->nHybridQmfBands; k++){
-    hHybData->nHybridResolution[k] = (hybridRes[k] & HYBRID_INVERSE_MASK);
-  }
-
-  return error;
-}
-
-HANDLE_ERROR_INFO FDKsbrEnc_DestroyHybridData(HANDLE_PS_HYBRID_DATA* phHybData)
-{
-  HANDLE_PS_HYBRID_DATA hHybData = *phHybData;
-
-  if (hHybData!=NULL) {
-    FreeRam_PsRhyb(&hHybData->rHybData[0]);
-    FreeRam_PsIhyb(&hHybData->iHybData[0]);
-    FreeRam_HybData(phHybData);
-  }
-
-  return noError;
-}
-
-/*** Access functions ***/
-
-/* return hybrid band resolution of qmf band 'qmfBand' */
-INT FDKsbrEnc_GetHybridResolution(HANDLE_PS_HYBRID_DATA h, INT qmfBand){
-
-  INT nHybridResolution = 0;
-
-  if(h->nHybridResolution){
-    nHybridResolution = h->nHybridResolution[qmfBand];
-  }
-
-  return nHybridResolution;
-}
-
-/*****************************************************************************/
-/* **** FILTERBANK **** */
-
-/*
-   2 channel filter
-   Filter Coefs:
-   0.0,
-   0.01899487526049,
-   0.0,
-   -0.07293139167538,
-   0.0,
-   0.30596630545168,
-   0.5,
-   0.30596630545168,
-   0.0,
-   -0.07293139167538,
-   0.0,
-   0.01899487526049,
-   0.0
-
-
-   Filter design:
-   h[q,n] = g[n] * cos(2pi/2 * q * (n-6) );  n = 0..12,  q = 0,1;
-
-   ->  h[0,n] = g[n] * 1;
-   ->  h[1,n] = g[n] * pow(-1,n);
-
-*/
-
-static void dualChannelFiltering(const FIXP_QMF *RESTRICT pQmfReal,
-                                 const FIXP_QMF *RESTRICT pQmfImag,
-                                 FIXP_QMF **RESTRICT mHybridReal,
-                                 FIXP_QMF **RESTRICT mHybridImag,
-                                 INT nSamples)
-{
-  INT i;
-
-  for(i = 0; i < nSamples; i++) {
-    FIXP_DBL  r1, r3, r5, r6;
-    FIXP_DBL  i1, i3, i5, i6;
-
-    /* symmetric filter coefficients
-       scaleValue same as used in eightChannelFiltering (HYBRID_SCALE = 4)
-    */
-    r1 = fMultDiv2(p2_13_20[1], (FIXP_QMF)((pQmfReal[1+i]>>1) + (pQmfReal[11+i]>>1)) ) >> 2;
-    r3 = fMultDiv2(p2_13_20[3], (FIXP_QMF)((pQmfReal[3+i]>>1) + (pQmfReal[ 9+i]>>1)) ) >> 2;
-    r5 = fMultDiv2(p2_13_20[5], (FIXP_QMF)((pQmfReal[5+i]>>1) + (pQmfReal[ 7+i]>>1)) ) >> 2;
-    r6 = fMultDiv2(p2_13_20[6], (FIXP_QMF) (pQmfReal[6+i]>>1) ) >> 2;
-
-    i1 = fMultDiv2(p2_13_20[1], (FIXP_QMF)((pQmfImag[1+i]>>1) + (pQmfImag[11+i]>>1)) ) >> 2;
-    i3 = fMultDiv2(p2_13_20[3], (FIXP_QMF)((pQmfImag[3+i]>>1) + (pQmfImag[ 9+i]>>1)) ) >> 2;
-    i5 = fMultDiv2(p2_13_20[5], (FIXP_QMF)((pQmfImag[5+i]>>1) + (pQmfImag[ 7+i]>>1)) ) >> 2;
-    i6 = fMultDiv2(p2_13_20[6], (FIXP_QMF) (pQmfImag[6+i]>>1) ) >> 2;
-
-    mHybridReal[i][0] = FX_DBL2FX_QMF(r1 + r3 + r5 + r6);
-    mHybridImag[i][0] = FX_DBL2FX_QMF(i1 + i3 + i5 + i6);
-
-    mHybridReal[i][1] = FX_DBL2FX_QMF(- r1 - r3 - r5 + r6);
-    mHybridImag[i][1] = FX_DBL2FX_QMF(- i1 - i3 - i5 + i6);
-  }
-}
-
-/*
-   8 channel filter
-
-   Implementation using a FFT of length 8
-
-   prototype filter coefficients:
-   0.00746082949812   0.02270420949825   0.04546865930473   0.07266113929591   0.09885108575264   0.11793710567217
-   0.125
-   0.11793710567217   0.09885108575264   0.07266113929591   0.04546865930473   0.02270420949825   0.00746082949812
-
-   Filter design:
-   N = 13; Q = 8;
-   h[q,n]       = g[n] * exp(j * 2 * pi / Q * (q + .5) * (n - 6));  n = 0..(N-1),  q = 0..(Q-1);
-
-   Time Signal:   x[t];
-   Filter Bank Output
-   y[q,t] = conv(x[t],h[q,t]) = conv(h[q,t],x[t]) = sum(x[k] * h[q, t - k] ) = sum(h[q, k] * x[t - k] ); k = 0..(N-1);
-
-   y[q,t] =   x[t - 12]*h[q, 12]  +  x[t - 11]*h[q, 11]  +  x[t - 10]*h[q, 10]  +  x[t -  9]*h[q,  9]
-           +  x[t -  8]*h[q,  8]  +  x[t -  7]*h[q,  7]
-           +  x[t -  6]*h[q,  6]
-           +  x[t -  5]*h[q,  5]  +  x[t -  4]*h[q,  4]
-           +  x[t -  3]*h[q,  3]  +  x[t -  2]*h[q,  2]  +  x[t -  1]*h[q,  1]  +  x[t -  0]*h[q,  0];
-
-   h'[q, n] = h[q,(N-1)-n] = g[n] * exp(j * 2 * pi / Q * (q + .5) * (6 - n));  n = 0..(N-1),  q = 0..(Q-1);
-
-   y[q,t] =   x[t - 12]*h'[q,  0]  +  x[t - 11]*h'[q,  1]  +  x[t - 10]*h'[q,  2]  +  x[t -  9]*h'[q,  3]
-           +  x[t -  8]*h'[q,  4]  +  x[t -  7]*h'[q,  5]
-           +  x[t -  6]*h'[q,  6]
-           +  x[t -  5]*h'[q,  7]  +  x[t -  4]*h'[q,  8]
-           +  x[t -  3]*h'[q,  9]  +  x[t -  2]*h'[q, 10]  +  x[t -  1]*h'[q, 11]  +  x[t -  0]*h'[q, 12];
-
-   Try to split off FFT Modulation Term:
-   FFT(x[t], q) = sum(x[t+k]*exp(-j*2*pi/N *q * k))
-                                           c                                           m
-   Step 1:  h'[q,n] = g[n] * ( exp(j * 2 * pi / 8 * .5 * (6 - n)) ) * ( exp (j * 2 * pi / 8 * q * (6 - n)) );
-
-    h'[q,n] = g[n] *c[n] * m[q,n]; (see above)
-    c[n]    = exp( j * 2 * pi / 8 * .5 * (6 - n) );
-    m[q,n]  = exp( j * 2 * pi / 8 *  q * (6 - n) );
-
-    y[q,t] = x[t -  0]*g[0]*c[0]*m[q,0]  +  x[t -  1]*g[1]*c[ 1]*m[q, 1]  + ...
-             ...                         +  x[t - 12]*g[2]*c[12]*m[q,12];
-
-                                                                              |
-    n                   m                            *exp(-j*2*pi)            |   n'                   fft
--------------------------------------------------------------------------------------------------------------------------
-    0       exp( j * 2 * pi / 8 * q * 6) ->  exp(-j * 2 * pi / 8 * q * 2)     |   2         exp(-j * 2 * pi / 8 * q * 0)
-    1       exp( j * 2 * pi / 8 * q * 5) ->  exp(-j * 2 * pi / 8 * q * 3)     |   3         exp(-j * 2 * pi / 8 * q * 1)
-    2       exp( j * 2 * pi / 8 * q * 4) ->  exp(-j * 2 * pi / 8 * q * 4)     |   4         exp(-j * 2 * pi / 8 * q * 2)
-    3       exp( j * 2 * pi / 8 * q * 3) ->  exp(-j * 2 * pi / 8 * q * 5)     |   5         exp(-j * 2 * pi / 8 * q * 3)
-    4       exp( j * 2 * pi / 8 * q * 2) ->  exp(-j * 2 * pi / 8 * q * 6)     |   6         exp(-j * 2 * pi / 8 * q * 4)
-    5       exp( j * 2 * pi / 8 * q * 1) ->  exp(-j * 2 * pi / 8 * q * 7)     |   7         exp(-j * 2 * pi / 8 * q * 5)
-    6       exp( j * 2 * pi / 8 * q * 0)                                      |   0         exp(-j * 2 * pi / 8 * q * 6)
-    7       exp(-j * 2 * pi / 8 * q * 1)                                      |   1         exp(-j * 2 * pi / 8 * q * 7)
-    8       exp(-j * 2 * pi / 8 * q * 2)                                      |   2
-    9       exp(-j * 2 * pi / 8 * q * 3)                                      |   3
-    10      exp(-j * 2 * pi / 8 * q * 4)                                      |   4
-    11      exp(-j * 2 * pi / 8 * q * 5)                                      |   5
-    12      exp(-j * 2 * pi / 8 * q * 6)                                      |   6
-
-
-    now use fft modulation coefficients
-    m[6]  =       = fft[0]
-    m[7]  =       = fft[1]
-    m[8]  = m[ 0] = fft[2]
-    m[9]  = m[ 1] = fft[3]
-    m[10] = m[ 2] = fft[4]
-    m[11] = m[ 3] = fft[5]
-    m[12] = m[ 4] = fft[6]
-            m[ 5] = fft[7]
-
-    y[q,t] = (                       x[t- 6]*g[ 6]*c[ 6] ) * fft[q,0]  +
-             (                       x[t- 7]*g[ 7]*c[ 7] ) * fft[q,1]  +
-             ( x[t- 0]*g[ 0]*c[ 0] + x[t- 8]*g[ 8]*c[ 8] ) * fft[q,2]  +
-             ( x[t- 1]*g[ 1]*c[ 1] + x[t- 9]*g[ 9]*c[ 9] ) * fft[q,3]  +
-             ( x[t- 2]*g[ 2]*c[ 2] + x[t-10]*g[10]*c[10] ) * fft[q,4]  +
-             ( x[t- 3]*g[ 3]*c[ 3] + x[t-11]*g[11]*c[11] ) * fft[q,5]  +
-             ( x[t- 4]*g[ 4]*c[ 4] + x[t-12]*g[12]*c[12] ) * fft[q,6]  +
-             ( x[t- 5]*g[ 5]*c[ 5]                       ) * fft[q,7];
-
-    pre twiddle factors c[n] = exp(j * 2 * pi / 8 * .5 * (6 - n));
-    n                c]           |  n                c[n]         |  n                c[n]
----------------------------------------------------------------------------------------------------
-    0       exp( j * 6 * pi / 8)  |  1       exp( j * 5 * pi / 8)  |  2       exp( j * 4 * pi / 8)
-    3       exp( j * 3 * pi / 8)  |  4       exp( j * 2 * pi / 8)  |  5       exp( j * 1 * pi / 8)
-    6       exp( j * 0 * pi / 8)  |  7       exp(-j * 1 * pi / 8)  |  8       exp(-j * 2 * pi / 8)
-    9       exp(-j * 3 * pi / 8)  | 10       exp(-j * 4 * pi / 8)  | 11       exp(-j * 5 * pi / 8)
-   12       exp(-j * 6 * pi / 8)  |                                |
-
-*/
-
-static const FIXP_DBL  cr[13] =
-{  cos6Pi_8, cos5Pi_8, cos4Pi_8,
-   cos3Pi_8, cos2Pi_8, cos1Pi_8,
-   cos0Pi_8,
-   cos1Pi_8, cos2Pi_8, cos3Pi_8,
-   cos4Pi_8, cos5Pi_8, cos6Pi_8
-};
-
-static const FIXP_DBL  ci[13] =
-{
-  sin6Pi_8, sin5Pi_8, sin4Pi_8,
-  sin3Pi_8, sin2Pi_8, sin1Pi_8,
-  sin0Pi_8,
-  -sin1Pi_8,  -sin2Pi_8,  -sin3Pi_8,
-  -sin4Pi_8,  -sin5Pi_8,  -sin6Pi_8
-};
-
-
-static void eightChannelFiltering(const FIXP_QMF *pQmfReal,
-                                  const FIXP_QMF *pQmfImag,
-                                  FIXP_DBL *fft,
-                                  FIXP_QMF **mHybridReal,
-                                  FIXP_QMF **mHybridImag,
-                                  INT nSamples,
-                                  const FIXP_DBL *p)
-{
-  INT i, bin;
-  for(i = 0; i < nSamples; i++) {
-    /* pre twiddeling
-       scaling 4 =  2 (fMultDiv2) + 2 (dit_fft) scaling (HYBRID_SCALE = 4)
-    */
-    fft[FFT_IDX_R(0)] = fMultDiv2(p[6],  fMultSubDiv2(fMultDiv2(cr[6], pQmfReal[6+i]), ci[6], pQmfImag[6+i]));
-    fft[FFT_IDX_I(0)] = fMultDiv2(p[6],  fMultAddDiv2(fMultDiv2(ci[6], pQmfReal[6+i]), cr[6], pQmfImag[6+i]));
-
-    fft[FFT_IDX_R(1)] = fMultDiv2(p[7],  fMultSubDiv2(fMultDiv2(cr[7], pQmfReal[7+i]), ci[7], pQmfImag[7+i]));
-    fft[FFT_IDX_I(1)] = fMultDiv2(p[7],  fMultAddDiv2(fMultDiv2(ci[7], pQmfReal[7+i]), cr[7], pQmfImag[7+i]));
-
-    fft[FFT_IDX_R(2)] = ( fMultDiv2(p[ 0], fMultSubDiv2(fMultDiv2(cr[0], pQmfReal[ 0+i]), ci[0], pQmfImag[ 0+i]))+
-                          fMultDiv2(p[ 8], fMultSubDiv2(fMultDiv2(cr[8], pQmfReal[ 8+i]), ci[8], pQmfImag[ 8+i])) );
-    fft[FFT_IDX_I(2)] = ( fMultDiv2(p[ 0], fMultAddDiv2(fMultDiv2(ci[0], pQmfReal[ 0+i]), cr[0], pQmfImag[ 0+i]))+
-                          fMultDiv2(p[ 8], fMultAddDiv2(fMultDiv2(ci[8], pQmfReal[ 8+i]), cr[8], pQmfImag[ 8+i])) );
-
-    fft[FFT_IDX_R(3)] = ( fMultDiv2(p[ 1], fMultSubDiv2(fMultDiv2(cr[1], pQmfReal[ 1+i]), ci[1], pQmfImag[ 1+i]))+
-                          fMultDiv2(p[ 9], fMultSubDiv2(fMultDiv2(cr[9], pQmfReal[ 9+i]), ci[9], pQmfImag[ 9+i])) );
-    fft[FFT_IDX_I(3)] = ( fMultDiv2(p[ 1], fMultAddDiv2(fMultDiv2(ci[1], pQmfReal[ 1+i]), cr[1], pQmfImag[ 1+i]))+
-                          fMultDiv2(p[ 9], fMultAddDiv2(fMultDiv2(ci[9], pQmfReal[ 9+i]), cr[9], pQmfImag[ 9+i])) );
-
-    fft[FFT_IDX_R(4)] = ( fMultDiv2(p[ 2], fMultSubDiv2( fMultDiv2(cr[2], pQmfReal[ 2+i]), ci[2], pQmfImag[ 2+i]))+
-                          fMultDiv2(p[10], fMultSubDiv2(fMultDiv2(cr[10], pQmfReal[10+i]), ci[10], pQmfImag[10+i])) );
-    fft[FFT_IDX_I(4)] = ( fMultDiv2(p[ 2], fMultAddDiv2( fMultDiv2(ci[2], pQmfReal[ 2+i]), cr[2], pQmfImag[ 2+i]))+
-                          fMultDiv2(p[10], fMultAddDiv2(fMultDiv2(ci[10], pQmfReal[10+i]), cr[10], pQmfImag[10+i])) );
-
-    fft[FFT_IDX_R(5)] = ( fMultDiv2(p[ 3], fMultSubDiv2( fMultDiv2(cr[3], pQmfReal[ 3+i]), ci[3], pQmfImag[ 3+i]))+
-                          fMultDiv2(p[11], fMultSubDiv2(fMultDiv2(cr[11], pQmfReal[11+i]), ci[11], pQmfImag[11+i])) );
-    fft[FFT_IDX_I(5)] = ( fMultDiv2(p[ 3], fMultAddDiv2( fMultDiv2(ci[3], pQmfReal[ 3+i]), cr[3], pQmfImag[ 3+i]))+
-                          fMultDiv2(p[11], fMultAddDiv2(fMultDiv2(ci[11], pQmfReal[11+i]), cr[11], pQmfImag[11+i])) );
-
-    fft[FFT_IDX_R(6)] = ( fMultDiv2(p[ 4], fMultSubDiv2( fMultDiv2(cr[4], pQmfReal[ 4+i]), ci[4], pQmfImag[ 4+i]))+
-                          fMultDiv2(p[12], fMultSubDiv2(fMultDiv2(cr[12], pQmfReal[12+i]), ci[12], pQmfImag[12+i])) );
-    fft[FFT_IDX_I(6)] = ( fMultDiv2(p[ 4], fMultAddDiv2( fMultDiv2(ci[4], pQmfReal[ 4+i]), cr[4], pQmfImag[ 4+i]))+
-                          fMultDiv2(p[12], fMultAddDiv2(fMultDiv2(ci[12], pQmfReal[12+i]), cr[12], pQmfImag[12+i])) );
-
-    fft[FFT_IDX_R(7)] = fMultDiv2(p[5], fMultSubDiv2(fMultDiv2(cr[5], pQmfReal[5+i]), ci[5], pQmfImag[5+i]));
-    fft[FFT_IDX_I(7)] = fMultDiv2(p[5], fMultAddDiv2(fMultDiv2(ci[5], pQmfReal[5+i]), cr[5], pQmfImag[5+i]));
-
-    /* fft modulation */
-    fft_8(fft);
-
-    /* resort fft data INTo output array*/
-    for(bin=0; bin<8;bin++ ) {
-      mHybridReal[i][bin] = FX_DBL2FX_QMF(fft[FFT_IDX_R(bin)]);
-      mHybridImag[i][bin] = FX_DBL2FX_QMF(fft[FFT_IDX_I(bin)]);
-    }
-  }
-}
-
-/**************************************************************************//**
-HybridAnalysis
-******************************************************************************/
-
-HANDLE_ERROR_INFO
-HybridAnalysis ( HANDLE_PS_HYBRID       hHybrid,       /*!< Handle to HYBRID struct. */
-                 FIXP_QMF *const *const mQmfReal,      /*!< The real part of the QMF-matrix.  */
-                 FIXP_QMF *const *const mQmfImag,      /*!< The imaginary part of the QMF-matrix. */
-                 SCHAR                  sf_fixpQmf,    /*!< Qmf scale factor */
-                 FIXP_QMF             **mHybridReal,   /*!< The real part of the hybrid-matrix.  */
-                 FIXP_QMF             **mHybridImag,   /*!< The imaginary part of the hybrid-matrix.  */
-                 SCHAR                 *sf_fixpHybrid) /*!< Hybrid scale factor */
-{
-  HANDLE_ERROR_INFO error = noError;
-  INT         n, band;
-  INT         hybridRes;
-  INT         chOffset = 0;
-  /* INT         usedStereoBands   = hHybrid->mode;  */   /*!< indicates which 8 band filter to use */
-  INT         frameSize         = hHybrid->frameSize;
-  INT         hybridFilterDelay = hHybrid->hybridFilterDelay;
-
-  for(band = 0; band < hHybrid->nQmfBands; band++) { /* loop all qmf bands */
-
-    if(error == noError){
-      hybridRes = hHybrid->pResolution[band];
-
-      /* Create working buffer. */
-      /* Copy stored samples to working buffer. */
-      FDKmemcpy(hHybrid->pWorkReal, hHybrid->mQmfBufferReal[band],
-                 hHybrid->qmfBufferMove * sizeof(FIXP_QMF));
-      FDKmemcpy(hHybrid->pWorkImag, hHybrid->mQmfBufferImag[band],
-                 hHybrid->qmfBufferMove * sizeof(FIXP_QMF));
-
-      /* Append new samples to working buffer. */
-      for(n = 0; n < frameSize; n++) {
-        hHybrid->pWorkReal [hHybrid->qmfBufferMove + n] = mQmfReal [n + hybridFilterDelay] [band];
-        hHybrid->pWorkImag [hHybrid->qmfBufferMove + n] = mQmfImag [n + hybridFilterDelay] [band];
-      }
-
-      /* Store samples for next frame. */
-      FDKmemcpy(hHybrid->mQmfBufferReal[band], hHybrid->pWorkReal + frameSize,
-                 hHybrid->qmfBufferMove * sizeof(FIXP_QMF));
-      FDKmemcpy(hHybrid->mQmfBufferImag[band], hHybrid->pWorkImag + frameSize,
-                 hHybrid->qmfBufferMove * sizeof(FIXP_QMF));
-
-
-      switch(hybridRes) {
-      case HYBRID_2_REAL:
-        dualChannelFiltering( hHybrid->pWorkReal,
-                              hHybrid->pWorkImag,
-                              hHybrid->mTempReal,
-                              hHybrid->mTempImag,
-                              frameSize);
-
-        /* copy data to output buffer */
-        for(n = 0; n < frameSize; n++) {
-          FDKmemcpy(&mHybridReal[n][chOffset], hHybrid->mTempReal[n],
-                     (INT)(hybridRes & HYBRID_INVERSE_MASK)*sizeof(FIXP_QMF));
-          FDKmemcpy(&mHybridImag[n][chOffset], hHybrid->mTempImag[n],
-                     (INT)(hybridRes & HYBRID_INVERSE_MASK)*sizeof(FIXP_QMF));
-        }
-        break;
-
-      case HYBRID_2_REAL | HYBRID_INVERSE_ORDER:
-        dualChannelFiltering( hHybrid->pWorkReal,
-                              hHybrid->pWorkImag,
-                              hHybrid->mTempReal,
-                              hHybrid->mTempImag,
-                              frameSize);
-
-        /* copy and resort data */
-        for ( n = 0; n < frameSize; n++ )
-          {
-            mHybridReal[n][chOffset + 0] = hHybrid->mTempReal[n][1] ;
-            mHybridReal[n][chOffset + 1] = hHybrid->mTempReal[n][0] ;
-            mHybridImag[n][chOffset + 0] = hHybrid->mTempImag[n][1] ;
-            mHybridImag[n][chOffset + 1] = hHybrid->mTempImag[n][0] ;
-          }
-        break;
-
-      case HYBRID_6_CPLX:
-        eightChannelFiltering( hHybrid->pWorkReal,
-                               hHybrid->pWorkImag,
-                               hHybrid->fft,
-                               hHybrid->mTempReal,
-                               hHybrid->mTempImag,
-                               frameSize,
-                               /*(usedStereoBands==PS_BANDS_FINE)?p8_13_34:*/p8_13_20);
-
-        /* do the shuffle */
-        for ( n = 0; n < frameSize; n++ )
-          {
-            /* add data ... */
-            hHybrid->mTempReal[n][2] += hHybrid->mTempReal[n][5];
-            hHybrid->mTempImag[n][2] += hHybrid->mTempImag[n][5];
-            hHybrid->mTempReal[n][3] += hHybrid->mTempReal[n][4];
-            hHybrid->mTempImag[n][3] += hHybrid->mTempImag[n][4];
-
-            /* shuffle and copy to output buffer */
-            mHybridReal[n][chOffset + 0] = hHybrid->mTempReal[n][6] ;
-            mHybridReal[n][chOffset + 1] = hHybrid->mTempReal[n][7] ;
-            mHybridReal[n][chOffset + 2] = hHybrid->mTempReal[n][0] ;
-            mHybridReal[n][chOffset + 3] = hHybrid->mTempReal[n][1] ;
-            mHybridReal[n][chOffset + 4] = hHybrid->mTempReal[n][2] ;
-            mHybridReal[n][chOffset + 5] = hHybrid->mTempReal[n][3] ;
-
-            mHybridImag[n][chOffset + 0] = hHybrid->mTempImag[n][6] ;
-            mHybridImag[n][chOffset + 1] = hHybrid->mTempImag[n][7] ;
-            mHybridImag[n][chOffset + 2] = hHybrid->mTempImag[n][0] ;
-            mHybridImag[n][chOffset + 3] = hHybrid->mTempImag[n][1] ;
-            mHybridImag[n][chOffset + 4] = hHybrid->mTempImag[n][2] ;
-            mHybridImag[n][chOffset + 5] = hHybrid->mTempImag[n][3] ;
-          }
-        break;
-
-      case HYBRID_8_CPLX:
-        eightChannelFiltering( hHybrid->pWorkReal,
-                               hHybrid->pWorkImag,
-                               hHybrid->fft,
-                               hHybrid->mTempReal,
-                               hHybrid->mTempImag,
-                               frameSize,
-                               /*(usedStereoBands==PS_BANDS_FINE)?p8_13_34:*/p8_13_20);
-
-        /* copy data to output buffer */
-        for(n = 0; n < frameSize; n++) {
-          FDKmemcpy(&mHybridReal[n][chOffset], hHybrid->mTempReal[n],
-                     (INT)(hybridRes & HYBRID_INVERSE_MASK)*sizeof(FIXP_QMF));
-          FDKmemcpy(&mHybridImag[n][chOffset], hHybrid->mTempImag[n],
-                     (INT)(hybridRes & HYBRID_INVERSE_MASK)*sizeof(FIXP_QMF));
-        }
-        break;
-
-      default:
-        error = ERROR(CDI, "Invalid filter bank configuration.");
-        break;
-      }
-      /* prepare next run by incresing chOffset */
-      chOffset += hybridRes & HYBRID_INVERSE_MASK;
-    }
-  }
-
-  *sf_fixpHybrid = sf_fixpQmf + HYBRID_SCALE;
-
-  return error;
-}
-
-/**************************************************************************//**
-  FDKsbrEnc_CreateHybridFilterBank
-******************************************************************************/
-HANDLE_ERROR_INFO
-FDKsbrEnc_CreateHybridFilterBank ( HANDLE_PS_HYBRID        *phHybrid,     /*!< Pointer to handle to HYBRID struct.  */
-                                   INT                      ch)           /*!< Current channel */
-{
-  HANDLE_ERROR_INFO  error = noError;
-  INT i;
-  HANDLE_PS_HYBRID hs = GetRam_PsHybrid(ch); /* allocate memory */
-  if (hs==NULL) {
-    error = 1;
-    goto bail;
-  }
-
-  hs->fft = GetRam_PsHybFFT();
-
-  /* alloc working memory */
-  hs->pWorkReal = GetRam_PsHybWkReal();
-  hs->pWorkImag = GetRam_PsHybWkImag();
-
-  if ( (hs->fft==NULL) || (hs->pWorkReal==NULL) || (hs->pWorkImag==NULL) ) {
-    error = 1;
-    goto bail;
-  }
-
-  /* Allocate buffers */
-  for (i = 0; i < HYBRID_FRAMESIZE; i++) {
-    hs->mTempReal[i] = GetRam_PsMtmpReal(i);
-    hs->mTempImag[i] = GetRam_PsMtmpImag(i);
-    if ( (hs->mTempReal[i]==NULL) || (hs->mTempImag[i]==NULL) ) {
-      error = 1;
-      goto bail;
-    }
-  }
-
-bail:
-  *phHybrid = hs;
-  return error;
-}
-
-HANDLE_ERROR_INFO
-FDKsbrEnc_InitHybridFilterBank ( HANDLE_PS_HYBRID         hs,           /*!< Handle to HYBRID struct.  */
-                                 HANDLE_PS_HYBRID_CONFIG  hHybConfig,   /*!< Configuration hanlde for filter bank */
-                                 INT                      frameSize)    /*!< Number of QMF slots */
-{
-  HANDLE_ERROR_INFO  error = noError;
-  INT i;
-  INT maxNoChannels = HYBRID_12_CPLX, noBands;
-  PS_BANDS mode;
-  const INT *RESTRICT pResolution;
-
-  /* filter bank configuration */
-  mode    = hHybConfig->mode;
-  noBands = hHybConfig->noQmfBandsInHybrid;
-  pResolution = hHybConfig->aHybridResolution;
-
-  /* assign resolution, check for valid values */
-  for (i = 0; i < noBands; i++) {
-    if(error == noError){
-      if( pResolution[i] != HYBRID_12_CPLX &&
-          pResolution[i] != HYBRID_8_CPLX &&
-          pResolution[i] != HYBRID_6_CPLX &&
-          pResolution[i] != HYBRID_2_REAL &&
-          pResolution[i] != (HYBRID_2_REAL | HYBRID_INVERSE_ORDER) &&
-          pResolution[i] != HYBRID_4_CPLX ){
-        error = ERROR(CDI, "Invalid filter bank resolution");
-      }
-    }
-    hs->pResolution[i] = pResolution[i];
-    if((pResolution[i] & HYBRID_INVERSE_MASK) > maxNoChannels){
-      maxNoChannels = pResolution[i] & HYBRID_INVERSE_MASK;
-    }
-  }
-  FDK_ASSERT (MAX_HYBRID_RES>=maxNoChannels); /* check size of mTempReal/Imag */
-
-  /* assign parameters */
-  hs->mode              = mode;
-  hs->nQmfBands         = noBands;
-  hs->frameSize         = frameSize;
-  hs->frameSizeInit     = frameSize;
-  hs->qmfBufferMove     = HYBRID_FILTER_LENGTH - 1;
-  hs->hybridFilterDelay = HYBRID_FILTER_LENGTH/2;
-
-  FDK_ASSERT (HYBRID_FRAMESIZE>=hs->frameSize);
-  FDK_ASSERT (QMF_BUFFER_MOVE>=hs->qmfBufferMove);
-
-  return error;
-}
-
-
-/**************************************************************************//**
-   FDKsbrEnc_DeleteHybridFilterBank
-******************************************************************************/
-
-HANDLE_ERROR_INFO
-FDKsbrEnc_DeleteHybridFilterBank ( HANDLE_PS_HYBRID* phHybrid ) /*!< Pointer to handle to HYBRID struct. */
-{
-  int i;
-  HANDLE_PS_HYBRID hHybrid = *phHybrid;
-
-  if (hHybrid!=NULL) {
-    if (hHybrid->fft)
-      FreeRam_PsHybFFT(&hHybrid->fft);
-    if (hHybrid->pWorkReal)
-      FreeRam_PsHybWkReal(&hHybrid->pWorkReal);
-    if (hHybrid->pWorkImag)
-      FreeRam_PsHybWkImag(&hHybrid->pWorkImag);
-
-    for (i = 0; i < HYBRID_FRAMESIZE; i++) {
-      if (hHybrid->mTempReal[i])
-        FreeRam_PsMtmpReal(&hHybrid->mTempReal[i]);
-      if (hHybrid->mTempImag[i])
-      FreeRam_PsMtmpImag(&hHybrid->mTempImag[i]);
-    }
-
-    FreeRam_PsHybrid(phHybrid);
-  }
-
-  return noError;
-}
-
-/*** Access functions ***/
-INT FDKsbrEnc_GetHybridFilterDelay(HANDLE_PS_HYBRID hHybrid){
-
-  return hHybrid->hybridFilterDelay;
-}
-
diff --git a/libSBRenc/src/psenc_hybrid.h b/libSBRenc/src/psenc_hybrid.h
deleted file mode 100644
index 79e600d..0000000
--- a/libSBRenc/src/psenc_hybrid.h
+++ /dev/null
@@ -1,182 +0,0 @@
-/*****************************  MPEG Audio Encoder  ***************************
-
-                     (C) Copyright Fraunhofer IIS (2004-2005)
-                               All Rights Reserved
-
-    Please be advised that this software and/or program delivery is
-    Confidential Information of Fraunhofer and subject to and covered by the
-
-    Fraunhofer IIS Software Evaluation Agreement
-    between Google Inc. and  Fraunhofer
-    effective and in full force since March 1, 2012.
-
-    You may use this software and/or program only under the terms and
-    conditions described in the above mentioned Fraunhofer IIS Software
-    Evaluation Agreement. Any other and/or further use requires a separate agreement.
-
-
-   $Id$
-   Initial author:       M. Neuendorf, M. Multrus
-   contents/description: hypbrid filter bank (prototypes)
-
-   This software and/or program is protected by copyright law and international
-   treaties. Any reproduction or distribution of this software and/or program,
-   or any portion of it, may result in severe civil and criminal penalties, and
-   will be prosecuted to the maximum extent possible under law.
-
-******************************************************************************/
-#ifndef __hybrid_h
-#define __hybrid_h
-
-/* Includes ******************************************************************/
-#include "sbr_def.h"
-#include "ps_const.h"
-
-#include "qmf.h"
-
-/* Data Types ****************************************************************/
-
-typedef enum {
-  HYBRID_2_REAL     = 2,
-  HYBRID_4_CPLX     = 4,
-  HYBRID_6_CPLX     = 6,
-  HYBRID_8_CPLX     = 8,
-  HYBRID_12_CPLX    = 12
-} HYBRID_RES;
-
-#define MAX_HYBRID_RES (HYBRID_12_CPLX)
-
-/* Defines *******************************************************************/
-#define MAX_QMF_BANDS_IN_HYBRID         (5)
-#define MAX_IID_GROUPS                  (50) /* NO_IID_GROUPS_HI_RES */
-
-#define HYBRID_FILTER_LENGTH            ( 13 )
-
-#define  HYBRID_FRAMESIZE        ( QMF_MAX_TIME_SLOTS )
-#define  HYBRID_WRITEOFFSET      ( 10 )
-#define  HYBRID_NUM_BANDS        ( 10 )
-
-#define  NO_QMF_BANDS_HYBRID_10  ( 3 )
-#define  NO_QMF_BANDS_HYBRID_20  ( 3 )
-#define  HYBRID_MAX_QMF_BANDS    ( NO_QMF_BANDS_HYBRID_20 )
-
-#define  QMF_BUFFER_MOVE         ( HYBRID_FILTER_LENGTH - 1 )
-
-
-/* Data Types ****************************************************************/
-typedef struct PS_HYBRID_CONFIG_tag {
-  PS_BANDS      mode;
-
-  UINT          noQmfBandsInHybrid;
-  INT   aHybridResolution[MAX_QMF_BANDS_IN_HYBRID]; /* valid entries from 0 to noQmfBandsInHybrid */
-
-} PS_HYBRID_CONFIG, *HANDLE_PS_HYBRID_CONFIG;
-
-typedef struct PS_HYBRID_tag
-{
-  PS_BANDS   mode;
-  INT        nQmfBands;
-  INT        frameSizeInit;
-  INT        frameSize;
-  INT        pResolution[HYBRID_MAX_QMF_BANDS];
-  INT        qmfBufferMove;
-  INT        hybridFilterDelay;
-
-  FIXP_DBL *fft;
-
-  FIXP_QMF *pWorkReal;         /**< Working arrays for Qmf samples. */
-  FIXP_QMF *pWorkImag;
-
-  FIXP_QMF mQmfBufferReal[HYBRID_MAX_QMF_BANDS][QMF_BUFFER_MOVE];   /**< Stores old Qmf samples. */
-  FIXP_QMF mQmfBufferImag[HYBRID_MAX_QMF_BANDS][QMF_BUFFER_MOVE];
-  FIXP_QMF *mTempReal[HYBRID_FRAMESIZE];            /**< Temporary matrices for filter bank output. */
-  FIXP_QMF *mTempImag[HYBRID_FRAMESIZE];
-
-} PS_HYBRID;
-
-typedef struct PS_HYBRID_DATA_tag {
-  INT  frameSize;
-  INT  nHybridBands;
-  INT  nHybridQmfBands;
-  INT  nHybridResolution [HYBRID_MAX_QMF_BANDS];
-
-  FIXP_QMF* rHybData [(HYBRID_FRAMESIZE + HYBRID_WRITEOFFSET)];
-  FIXP_QMF* iHybData [(HYBRID_FRAMESIZE + HYBRID_WRITEOFFSET)];
-  SCHAR sf_fixpHybrid;
-
-  INT hybDataReadOffset;
-  INT hybDataWriteOffset;
-
-} PS_HYBRID_DATA;
-
-
-typedef struct PS_HYBRID_DATA_tag *HANDLE_PS_HYBRID_DATA;
-typedef struct PS_HYBRID_tag *HANDLE_PS_HYBRID;
-
-
-
-/* Function Declarations *********************************************/
-
-/*****************************************************************************/
-/* **** FILTERBANK CONFIG **** */
-
-HANDLE_ERROR_INFO FDKsbrEnc_CreateHybridConfig(HANDLE_PS_HYBRID_CONFIG *phHybConfig,
-                                     PS_BANDS mode);
-
-/*****************************************************************************/
-/* **** FILTERBANK DATA **** */
-
-HANDLE_ERROR_INFO FDKsbrEnc_CreateHybridData(HANDLE_PS_HYBRID_DATA *phHybData,
-                                   INT ch);
-
-HANDLE_ERROR_INFO FDKsbrEnc_InitHybridData(HANDLE_PS_HYBRID_DATA hHybData,
-                                   HANDLE_PS_HYBRID_CONFIG  hHybConfig,
-                                   INT frameSize);
-
-HANDLE_ERROR_INFO FDKsbrEnc_DestroyHybridData(HANDLE_PS_HYBRID_DATA* phHybData);
-
-inline INT FDKsbrEnc_GetHybridFrameSize(HANDLE_PS_HYBRID_DATA h) {
-  return h->frameSize;
-}
-
-inline INT FDKsbrEnc_GetNumberHybridBands(HANDLE_PS_HYBRID_DATA h) {
-  return h->nHybridBands;
-}
-
-inline INT FDKsbrEnc_GetNumberHybridQmfBands(HANDLE_PS_HYBRID_DATA h) {
-  return h->nHybridQmfBands;
-}
-
-INT FDKsbrEnc_GetHybridResolution(HANDLE_PS_HYBRID_DATA h, INT qmfBand);
-
-
-
-/*****************************************************************************/
-/* **** FILTERBANK **** */
-
-HANDLE_ERROR_INFO
-FDKsbrEnc_CreateHybridFilterBank ( HANDLE_PS_HYBRID        *phHybrid,
-                                   INT                      ch );
-
-HANDLE_ERROR_INFO
-FDKsbrEnc_InitHybridFilterBank ( HANDLE_PS_HYBRID         hHybrid,
-                                 HANDLE_PS_HYBRID_CONFIG  hHybConfig,
-                                 INT                      frameSize );
-
-HANDLE_ERROR_INFO
-FDKsbrEnc_DeleteHybridFilterBank ( HANDLE_PS_HYBRID* phHybrid );
-
-HANDLE_ERROR_INFO
-HybridAnalysis ( HANDLE_PS_HYBRID        hHybrid,
-                 FIXP_QMF *const * const mQmfReal,
-                 FIXP_QMF *const * const mQmfImag,
-                 SCHAR sf_fixpQmf,
-                 FIXP_QMF **mHybridReal,
-                 FIXP_QMF **mHybridImag,
-                 SCHAR *sf_fixpHybrid);
-
-
-INT
-FDKsbrEnc_GetHybridFilterDelay(HANDLE_PS_HYBRID hHybrid);
-
-#endif /*__hybrid_h*/
diff --git a/libSBRenc/src/sbr.h b/libSBRenc/src/sbr.h
index 40a3953..c833db5 100644
--- a/libSBRenc/src/sbr.h
+++ b/libSBRenc/src/sbr.h
@@ -25,7 +25,7 @@
 *******************************************************************************/
 /*!
   \file
-  \brief  Main SBR structs definitions $Revision: 36847 $
+  \brief  Main SBR structs definitions $Revision: 37142 $
 */
 
 #ifndef __SBR_H
@@ -92,7 +92,6 @@ struct SBR_ENCODER
   UCHAR* dynamicRam;
   UCHAR* pSBRdynamic_RAM;
 
-  HANDLE_PSENC_CONFIG       hPsEncConfig;
   HANDLE_PARAMETRIC_STEREO  hParametricStereo;
   QMF_FILTER_BANK           qmfSynthesisPS;
 
diff --git a/libSBRenc/src/sbr_encoder.cpp b/libSBRenc/src/sbr_encoder.cpp
index 9c3cf37..31dea4e 100644
--- a/libSBRenc/src/sbr_encoder.cpp
+++ b/libSBRenc/src/sbr_encoder.cpp
@@ -37,7 +37,6 @@
 #include "qmf.h"
 
 #include "ps_main.h"
-#include "psenc_hybrid.h"
 
 #define SBRENCODER_LIB_VL0 3
 #define SBRENCODER_LIB_VL1 2
@@ -101,30 +100,76 @@
   \return Index to the appropriate table
 
 ****************************************************************************/
+#define DISTANCE_CEIL_VALUE 5000000
 static INT
 getSbrTuningTableIndex(UINT bitrate,    /*! the total bitrate in bits/sec */
                        UINT numChannels,/*! the number of channels for the core coder */
                        UINT sampleRate,  /*! the sampling rate of the core coder */
-                       AUDIO_OBJECT_TYPE core
+                       AUDIO_OBJECT_TYPE core,
+                       UINT *pBitRateClosest
                        )
 {
-  int i, paramSetTop;
+  int i, paramSetTop, bitRateClosestLowerIndex=-1, bitRateClosestUpperIndex=-1, found = 0;
+  UINT bitRateClosestUpper = 0, bitRateClosestLower=DISTANCE_CEIL_VALUE;
+
+  FDK_ASSERT(SBRENC_TUNING_SIZE == sizeof(sbrTuningTable)/sizeof(sbrTuningTable[0]));
 
   if (core == AOT_ER_AAC_ELD) {
     paramSetTop = SBRENC_TUNING_SIZE;
-    i = 126;
+    i = SBRENC_AACLC_TUNING_SIZE;
   } else {
-    paramSetTop = 126;
+    paramSetTop = SBRENC_AACLC_TUNING_SIZE;
     i = 0;
   }
 
   for (; i < paramSetTop ; i++) {
-    if (numChannels == sbrTuningTable [i].numChannels) {
-      if ((sampleRate == sbrTuningTable [i].sampleRate) &&
-          (bitrate >= sbrTuningTable [i].bitrateFrom) &&
+    if ( numChannels == sbrTuningTable [i].numChannels 
+      && sampleRate == sbrTuningTable [i].sampleRate )
+    {
+      found = 1;
+      if ((bitrate >= sbrTuningTable [i].bitrateFrom) &&
           (bitrate < sbrTuningTable [i].bitrateTo)) {
+            bitRateClosestLower = bitrate;
+            bitRateClosestUpper = bitrate;
+            //FDKprintf("entry %d\n", i);
         return i ;
+      } else {
+        if ( sbrTuningTable [i].bitrateFrom > bitrate ) {
+          if (sbrTuningTable [i].bitrateFrom < bitRateClosestLower) {
+            bitRateClosestLower = sbrTuningTable [i].bitrateFrom;
+            bitRateClosestLowerIndex = i;
+          }
+        }
+        if ( sbrTuningTable [i].bitrateTo <= bitrate ) {
+          if (sbrTuningTable [i].bitrateTo > bitRateClosestUpper) {
+            bitRateClosestUpper = sbrTuningTable [i].bitrateTo-1;
+            bitRateClosestUpperIndex = i;
+          }
+        }
+      }
+    }
+  }
+
+  if (pBitRateClosest != NULL)
+  {
+    /* Is there was at least one matching tuning entry found then pick the least distance bit rate */
+    if (found)
+    {
+      int distanceUpper=DISTANCE_CEIL_VALUE, distanceLower=DISTANCE_CEIL_VALUE;
+      if (bitRateClosestLowerIndex >= 0) {
+        distanceLower = sbrTuningTable [bitRateClosestLowerIndex].bitrateFrom - bitrate;
       }
+      if (bitRateClosestUpperIndex >= 0) {
+        distanceUpper = bitrate - sbrTuningTable [bitRateClosestUpperIndex].bitrateTo;
+      }
+      if ( distanceUpper < distanceLower )
+      {
+        *pBitRateClosest = bitRateClosestUpper;
+      } else {
+        *pBitRateClosest = bitRateClosestLower;
+      }    
+    } else {
+      *pBitRateClosest = 0;
     }
   }
 
@@ -141,14 +186,46 @@ getSbrTuningTableIndex(UINT bitrate,    /*! the total bitrate in bits/sec */
 
 ****************************************************************************/
 static INT
-getPsTuningTableIndex(UINT bitrate){
+getPsTuningTableIndex(UINT bitrate, UINT *pBitRateClosest){
 
   INT i, paramSets = sizeof (psTuningTable) / sizeof (psTuningTable [0]);
+  int bitRateClosestLowerIndex=-1, bitRateClosestUpperIndex=-1;
+  UINT bitRateClosestUpper = 0, bitRateClosestLower=DISTANCE_CEIL_VALUE;
 
   for (i = 0 ; i < paramSets ; i++)  {
     if ((bitrate >= psTuningTable [i].bitrateFrom) &&
         (bitrate < psTuningTable [i].bitrateTo)) {
       return i ;
+    } else {
+      if ( psTuningTable [i].bitrateFrom > bitrate ) {
+        if (psTuningTable [i].bitrateFrom < bitRateClosestLower) {
+          bitRateClosestLower = psTuningTable [i].bitrateFrom;
+          bitRateClosestLowerIndex = i;
+        }
+      }
+      if ( psTuningTable [i].bitrateTo <= bitrate ) {
+        if (psTuningTable [i].bitrateTo > bitRateClosestUpper) {
+          bitRateClosestUpper = psTuningTable [i].bitrateTo-1;
+          bitRateClosestUpperIndex = i;
+        }
+      }
+    }
+  }
+
+  if (pBitRateClosest != NULL)
+  {
+    int distanceUpper=DISTANCE_CEIL_VALUE, distanceLower=DISTANCE_CEIL_VALUE;
+    if (bitRateClosestLowerIndex >= 0) {
+      distanceLower = sbrTuningTable [bitRateClosestLowerIndex].bitrateFrom - bitrate;
+    }
+    if (bitRateClosestUpperIndex >= 0) {
+      distanceUpper = bitrate - sbrTuningTable [bitRateClosestUpperIndex].bitrateTo;
+    }
+    if ( distanceUpper < distanceLower )
+    {
+      *pBitRateClosest = bitRateClosestUpper;
+    } else {
+      *pBitRateClosest = bitRateClosestLower;
     }
   }
 
@@ -197,7 +274,7 @@ FDKsbrEnc_IsSbrSettingAvail (UINT bitrate,          /*! the total bitrate in bit
 
   /* try DOWN_SMPL_FAC of the input sampling rate */
   sampleRateCore = sampleRateInput/DOWN_SMPL_FAC;
-  idx = getSbrTuningTableIndex(bitrate, numOutputChannels, sampleRateCore, core);
+  idx = getSbrTuningTableIndex(bitrate, numOutputChannels, sampleRateCore, core, NULL);
 
   return (idx == INVALID_TABLE_IDX ? 0 : 1);
 }
@@ -257,7 +334,7 @@ FDKsbrEnc_AdjustSbrSettings (const sbrConfigurationPtr config, /*! output, modif
     }
   }
 
-  idx = getSbrTuningTableIndex(bitRate,numChannels,fsCore, core);
+  idx = getSbrTuningTableIndex(bitRate,numChannels,fsCore, core, NULL);
 
   if (idx != INVALID_TABLE_IDX) {
     config->startFreq       = sbrTuningTable[idx].startFreq ;
@@ -492,8 +569,6 @@ void sbrEncoder_Close (HANDLE_SBR_ENCODER *phSbrEncoder)
 
     }
 
-    if (hSbrEncoder->hPsEncConfig)
-      FreeRam_PsEncConf(&hSbrEncoder->hPsEncConfig);
     if (hSbrEncoder->hParametricStereo)
       PSEnc_Destroy(&hSbrEncoder->hParametricStereo);
     if (hSbrEncoder->qmfSynthesisPS.FilterStates)
@@ -801,8 +876,8 @@ FDKsbrEnc_EnvEncodeFrame(HANDLE_SBR_ENCODER   hEnvEncoder,
 
 
         /* Obtain pointers to QMF buffers. */
-        pQmfReal = sbrExtrEnv->rBuffer+sbrExtrEnv->rBufferWriteOffset;
-        pQmfImag = sbrExtrEnv->iBuffer+sbrExtrEnv->rBufferWriteOffset;
+        pQmfReal = sbrExtrEnv->rBuffer;
+        pQmfImag = sbrExtrEnv->iBuffer;
 
         qmfAnalysisFiltering( hSbrElement->hQmfAnalysis[ch],
                                pQmfReal,
@@ -822,33 +897,8 @@ FDKsbrEnc_EnvEncodeFrame(HANDLE_SBR_ENCODER   hEnvEncoder,
       /*
         Parametric Stereo processing
       */
-      if(hSbrElement->elInfo.fParametricStereo)
+      if (hSbrElement->elInfo.fParametricStereo)
       {
-        int psCh;
-
-        /* Parametric Stereo QMF buffer preprocessing: copy previous qmf data down */
-        UpdatePSQmfData_second(hEnvEncoder->hParametricStereo);
-
-        for (psCh = 0; psCh<2; psCh ++)
-        {
-          C_ALLOC_SCRATCH_START(qmfWorkBuffer, FIXP_DBL, QMF_CHANNELS*2);
-          HANDLE_PS_QMF_DATA hPsQmfData =  hEnvEncoder->hParametricStereo->hPsChannelData[psCh]->hPsQmfData;
-          QMF_SCALE_FACTOR tmpScale;
-
-
-          qmfAnalysisFiltering(  hSbrElement->hQmfAnalysis[psCh],
-                                 hPsQmfData->rQmfData + hPsQmfData->bufferWriteOffset,
-                                 hPsQmfData->iQmfData + hPsQmfData->bufferWriteOffset,
-                                &tmpScale,
-                                 samples + hSbrElement->elInfo.ChannelIndex[psCh],
-                                 timeInStride,
-                                qmfWorkBuffer );
-
-          C_ALLOC_SCRATCH_END(qmfWorkBuffer, FIXP_DBL, QMF_CHANNELS*2);
-
-          hEnvEncoder->hParametricStereo->hPsChannelData[psCh]->psQmfScale = -tmpScale.lb_scale;
-        }
-
 
         /* Limit Parametric Stereo to one instance */
         FDK_ASSERT(ch == 0);
@@ -867,10 +917,13 @@ FDKsbrEnc_EnvEncodeFrame(HANDLE_SBR_ENCODER   hEnvEncoder,
                o downmixed qmf data is written to sbrExtrEnv->rBuffer and sbrExtrEnv->iBuffer
           */
           SCHAR qmfScale;
+          INT_PCM* pSamples[2] = {samples + hSbrElement->elInfo.ChannelIndex[0],samples + hSbrElement->elInfo.ChannelIndex[1]};
           error = FDKsbrEnc_PSEnc_ParametricStereoProcessing( hEnvEncoder->hParametricStereo,
+                                                              pSamples,
+                                                              timeInStride,
+                                                              hSbrElement->hQmfAnalysis,
                                                               sbrExtrEnv->rBuffer,
                                                               sbrExtrEnv->iBuffer,
-                                                              sbrExtrEnv->rBufferWriteOffset,
                                                               samples + hSbrElement->elInfo.ChannelIndex[ch],
                                                              &hEnvEncoder->qmfSynthesisPS,
                                                              &qmfScale,
@@ -1266,11 +1319,6 @@ INT sbrEncoder_Open(
   }
 
   if (supportPS) {
-    hSbrEncoder->hPsEncConfig = GetRam_PsEncConf();
-    if (hSbrEncoder->hPsEncConfig==NULL) {
-      goto bail;
-    }
-
     if (PSEnc_Create(&hSbrEncoder->hParametricStereo))
     {
       goto bail;
@@ -1582,6 +1630,32 @@ INT FDKsbrEnc_DelayCompensation (
 	  return 0;
 }
 
+UINT sbrEncoder_LimitBitRate(UINT bitRate, UINT numChannels, UINT coreSampleRate, AUDIO_OBJECT_TYPE aot)
+{
+  UINT newBitRate;
+  INT index;
+
+  FDK_ASSERT(numChannels > 0 && numChannels <= 2);
+  if (aot == AOT_PS) {
+    if (numChannels == 2) {
+      index = getPsTuningTableIndex(bitRate, &newBitRate);
+      if (index == INVALID_TABLE_IDX) {
+        bitRate = newBitRate;
+      }
+      /* Set numChannels to 1 because for PS we need a SBR SCE (mono) element. */
+      numChannels = 1;
+    } else {
+      return 0;
+    }
+  }
+  index = getSbrTuningTableIndex(bitRate, numChannels, coreSampleRate, aot, &newBitRate);
+  if (index != INVALID_TABLE_IDX) {
+    newBitRate = bitRate;
+  }
+
+  return newBitRate;
+}
+
 
 INT sbrEncoder_Init(
                      HANDLE_SBR_ENCODER hSbrEncoder,
@@ -1894,22 +1968,23 @@ INT sbrEncoder_Init(
       /* initialize parametric stereo */
       if (usePs)
       {
+        PSENC_CONFIG psEncConfig;
         FDK_ASSERT(hSbrEncoder->noElements == 1);
-        INT psTuningTableIdx = getPsTuningTableIndex(elInfo[0].bitRate); //sbrConfig.codecSettings.bitRate);
+        INT psTuningTableIdx = getPsTuningTableIndex(elInfo[0].bitRate, NULL);
 
-        hSbrEncoder->hPsEncConfig->frameSize           = *frameLength; //sbrConfig.sbrFrameSize;
-        hSbrEncoder->hPsEncConfig->qmfFilterMode       = 0;
-        hSbrEncoder->hPsEncConfig->sbrPsDelay          = 0;
+        psEncConfig.frameSize           = *frameLength; //sbrConfig.sbrFrameSize;
+        psEncConfig.qmfFilterMode       = 0;
+        psEncConfig.sbrPsDelay          = 0;
 
         /* tuning parameters */
         if (psTuningTableIdx  != INVALID_TABLE_IDX) {
-          hSbrEncoder->hPsEncConfig->nStereoBands           = psTuningTable[psTuningTableIdx].nStereoBands;
-          hSbrEncoder->hPsEncConfig->maxEnvelopes           = psTuningTable[psTuningTableIdx].nEnvelopes;
-          hSbrEncoder->hPsEncConfig->iidQuantErrorThreshold = (FIXP_DBL)psTuningTable[psTuningTableIdx].iidQuantErrorThreshold;
+          psEncConfig.nStereoBands           = psTuningTable[psTuningTableIdx].nStereoBands;
+          psEncConfig.maxEnvelopes           = psTuningTable[psTuningTableIdx].nEnvelopes;
+          psEncConfig.iidQuantErrorThreshold = (FIXP_DBL)psTuningTable[psTuningTableIdx].iidQuantErrorThreshold;
 
           /* calculation is not quite linear, increased number of envelopes causes more bits */
           /* assume avg. 50 bits per frame for 10 stereo bands / 1 envelope configuration */
-          hSbrEncoder->estimateBitrate += ( (((*sampleRate) * 5 * hSbrEncoder->hPsEncConfig->nStereoBands * hSbrEncoder->hPsEncConfig->maxEnvelopes) / hSbrEncoder->frameSize));
+          hSbrEncoder->estimateBitrate += ( (((*sampleRate) * 5 * psEncConfig.nStereoBands * psEncConfig.maxEnvelopes) / hSbrEncoder->frameSize));
 
         } else {
           error = ERROR(CDI, "Invalid ps tuning table index.");
@@ -1926,10 +2001,10 @@ INT sbrEncoder_Init(
 
         if(errorInfo == noError){
           /* update delay */
-          hSbrEncoder->hPsEncConfig->sbrPsDelay = FDKsbrEnc_GetEnvEstDelay(&hSbrEncoder->sbrElement[0]->sbrChannel[0]->hEnvChannel.sbrExtractEnvelope);
+          psEncConfig.sbrPsDelay = FDKsbrEnc_GetEnvEstDelay(&hSbrEncoder->sbrElement[0]->sbrChannel[0]->hEnvChannel.sbrExtractEnvelope);
 
           if(noError != (errorInfo = PSEnc_Init( hSbrEncoder->hParametricStereo,
-                                                 hSbrEncoder->hPsEncConfig,
+                                                &psEncConfig,
                                                  hSbrEncoder->sbrElement[0]->sbrConfigData.noQmfSlots,
                                                  hSbrEncoder->sbrElement[0]->sbrConfigData.noQmfBands
                                                 ,hSbrEncoder->dynamicRam
diff --git a/libSBRenc/src/sbr_ram.cpp b/libSBRenc/src/sbr_ram.cpp
index 289270c..2413059 100644
--- a/libSBRenc/src/sbr_ram.cpp
+++ b/libSBRenc/src/sbr_ram.cpp
@@ -26,7 +26,7 @@
 /*!
   \file
   \brief Memory layout
-  $Revision: 36847 $
+  $Revision: 37142 $
 
   This module declares all static and dynamic memory spaces
 */
@@ -114,39 +114,10 @@ C_ALLOC_MEM2 (Ram_Sbr_guideVectorOrig, FIXP_DBL, (MAX_NO_OF_ESTIMATES*MAX_FREQ_C
 */
 C_AALLOC_MEM_L(Ram_PsQmfStatesSynthesis, FIXP_DBL, QMF_FILTER_LENGTH/2, SECT_DATA_L1)
 
-C_ALLOC_MEM   (Ram_PsEnvRBuffer, FIXP_DBL, QMF_MAX_TIME_SLOTS*QMF_CHANNELS/2)
-C_ALLOC_MEM   (Ram_PsEnvIBuffer, FIXP_DBL, QMF_MAX_TIME_SLOTS*QMF_CHANNELS/2)
-C_ALLOC_MEM2  (Ram_PsChData,    PS_CHANNEL_DATA, 1, MAX_PS_CHANNELS)
-C_ALLOC_MEM   (Ram_PsEncConf,   PSENC_CONFIG, 1)
 C_ALLOC_MEM_L (Ram_PsEncode,    PS_ENCODE, 1, SECT_DATA_L1)
-C_ALLOC_MEM   (Ram_PsData,      PS_DATA, 1)
 C_ALLOC_MEM   (Ram_ParamStereo, PARAMETRIC_STEREO, 1)
-C_ALLOC_MEM2  (Ram_PsOut,       PS_OUT, 1, 2)
 
 
-/* QMF data
- */
-C_ALLOC_MEM   (Ram_PsQmfNewSamples,      FIXP_DBL, QMF_CHANNELS)
-
-C_ALLOC_MEM2  (Ram_PsQmfData, PS_QMF_DATA, 1, MAX_PS_CHANNELS)
-
-/*  HYBRID data
- */
-C_AALLOC_MEM (Ram_PsHybFFT, FIXP_DBL, 16)
-
-C_ALLOC_MEM2(Ram_HybData,     PS_HYBRID_DATA, 1, MAX_PS_CHANNELS)
-C_ALLOC_MEM2(Ram_PsHybrid,    PS_HYBRID,      1, MAX_PS_CHANNELS)
-C_ALLOC_MEM (Ram_PsHybConfig, PS_HYBRID_CONFIG, 1)
-
-C_ALLOC_MEM2(Ram_PsRhyb, FIXP_QMF, ((HYBRID_FRAMESIZE+HYBRID_WRITEOFFSET)*HYBRID_NUM_BANDS), MAX_PS_CHANNELS)
-C_ALLOC_MEM2(Ram_PsIhyb, FIXP_QMF, ((HYBRID_FRAMESIZE+HYBRID_WRITEOFFSET)*HYBRID_NUM_BANDS), MAX_PS_CHANNELS)
-
-C_ALLOC_MEM (Ram_PsHybWkReal, FIXP_QMF, (HYBRID_FRAMESIZE + QMF_BUFFER_MOVE))
-C_ALLOC_MEM (Ram_PsHybWkImag, FIXP_QMF, (HYBRID_FRAMESIZE + QMF_BUFFER_MOVE))
-
-C_ALLOC_MEM2(Ram_PsMtmpReal, FIXP_QMF, (MAX_HYBRID_RES), HYBRID_FRAMESIZE)
-C_ALLOC_MEM2(Ram_PsMtmpImag, FIXP_QMF, (MAX_HYBRID_RES), HYBRID_FRAMESIZE)
-
 
 /* @} */
 
@@ -175,38 +146,11 @@ C_ALLOC_MEM2(Ram_PsMtmpImag, FIXP_QMF, (MAX_HYBRID_RES), HYBRID_FRAMESIZE)
   /* The SBR encoder uses a single channel overlapping buffer set (always n=0), but PS does not. */
   FIXP_DBL* GetRam_Sbr_envRBuffer (int n, UCHAR* dynamic_RAM) {
     FDK_ASSERT(dynamic_RAM!=0);
-    return ((FIXP_DBL*) (dynamic_RAM + OFFSET_QMF + (n*ENV_R_BUFF_BYTE*2) ));
+    return ((FIXP_DBL*) (dynamic_RAM + OFFSET_QMF + (n*(ENV_R_BUFF_BYTE+ENV_I_BUFF_BYTE)) ));
   }
   FIXP_DBL* GetRam_Sbr_envIBuffer (int n, UCHAR* dynamic_RAM) {
     FDK_ASSERT(dynamic_RAM!=0);
-    //return ((FIXP_DBL*) (dynamic_RAM + OFFSET_QMF + (MAX_NUM_CHANNELS*ENV_R_BUFF_BYTE) + n*ENV_I_BUFF_BYTE));
-    return ((FIXP_DBL*) (dynamic_RAM + OFFSET_QMF + (ENV_R_BUFF_BYTE) + (n*ENV_I_BUFF_BYTE*2)));
-  }
-
-  /* reuse QMF buffer in PS module. We Require space to hold 2 channels. */
-  C_ALLOC_MEM2(Ram_PsRqmf, FIXP_QMF, ((PSENC_QMF_BUFFER_LENGTH-QMF_MAX_TIME_SLOTS)*(QMF_CHANNELS)), MAX_PS_CHANNELS)
-  C_ALLOC_MEM2(Ram_PsIqmf, FIXP_QMF, ((PSENC_QMF_BUFFER_LENGTH-QMF_MAX_TIME_SLOTS)*(QMF_CHANNELS)), MAX_PS_CHANNELS)
-
-  FIXP_QMF* FDKsbrEnc_SliceRam_PsRqmf(FIXP_DBL* rQmfData, UCHAR* dynamic_RAM, int ch, int i, int qmfSlots)
-  {
-       FDK_ASSERT(dynamic_RAM!=0);
-       if (i<HYBRID_READ_OFFSET)
-         return rQmfData + (i*(QMF_CHANNELS));
-       else if ((i<(HYBRID_READ_OFFSET+qmfSlots)))
-         return  GetRam_Sbr_envRBuffer(ch, dynamic_RAM) + ( (i-(HYBRID_READ_OFFSET))*(QMF_CHANNELS) );
-       else
-         return rQmfData + ((i-qmfSlots)*(QMF_CHANNELS));
-  }
-
-  FIXP_QMF* FDKsbrEnc_SliceRam_PsIqmf(FIXP_DBL* iQmfData, UCHAR* dynamic_RAM, int ch, int i, int qmfSlots)
-  {
-       FDK_ASSERT(dynamic_RAM!=0);
-       if (i<HYBRID_READ_OFFSET)
-         return iQmfData + (i*(QMF_CHANNELS));
-       else if ((i<(HYBRID_READ_OFFSET+qmfSlots)))
-         return  GetRam_Sbr_envIBuffer(ch, dynamic_RAM) + ( (i-(HYBRID_READ_OFFSET))*(QMF_CHANNELS) );
-       else
-         return iQmfData + ((i-qmfSlots)*(QMF_CHANNELS));
+    return ((FIXP_DBL*) (dynamic_RAM + OFFSET_QMF + (ENV_R_BUFF_BYTE) + (n*(ENV_R_BUFF_BYTE+ENV_I_BUFF_BYTE))));
   }
 
 
diff --git a/libSBRenc/src/sbr_ram.h b/libSBRenc/src/sbr_ram.h
index 23eca20..3377c2a 100644
--- a/libSBRenc/src/sbr_ram.h
+++ b/libSBRenc/src/sbr_ram.h
@@ -26,7 +26,7 @@
 /*!
 \file
 \brief Memory layout
-$Revision: 36847 $
+$Revision: 37142 $
 */
 #ifndef __SBR_RAM_H
 #define __SBR_RAM_H
@@ -44,10 +44,10 @@ $Revision: 36847 $
 
 #define ENV_TRANSIENTS_BYTE  ( (sizeof(FIXP_DBL)*(MAX_NUM_CHANNELS*3*QMF_MAX_TIME_SLOTS)) )
 
-#define ENV_R_BUFF_BYTE      ( (sizeof(FIXP_DBL)*((QMF_MAX_TIME_SLOTS) * QMF_CHANNELS)) )
-#define ENV_I_BUFF_BYTE      ( (sizeof(FIXP_DBL)*((QMF_MAX_TIME_SLOTS) * QMF_CHANNELS)) )
+  #define ENV_R_BUFF_BYTE      ( (sizeof(FIXP_DBL)*((QMF_MAX_TIME_SLOTS) * MAX_HYBRID_BANDS)) )
+  #define ENV_I_BUFF_BYTE      ( (sizeof(FIXP_DBL)*((QMF_MAX_TIME_SLOTS) * MAX_HYBRID_BANDS)) )
+  #define Y_BUF_CH_BYTE        ( (2*sizeof(FIXP_DBL)*((QMF_MAX_TIME_SLOTS) * MAX_HYBRID_BANDS)) )
 
-#define Y_BUF_CH_BYTE        ( (sizeof(FIXP_DBL)*QMF_MAX_TIME_SLOTS * QMF_CHANNELS) )
 
 #define ENV_R_BUF_PS_BYTE    ( (sizeof(FIXP_DBL)*QMF_MAX_TIME_SLOTS * QMF_CHANNELS / 2) )
 #define ENV_I_BUF_PS_BYTE    ( (sizeof(FIXP_DBL)*QMF_MAX_TIME_SLOTS * QMF_CHANNELS / 2) )
@@ -60,27 +60,24 @@ $Revision: 36847 $
 /* Workbuffer RAM - Allocation */
 /*
  ++++++++++++++++++++++++++++++++++++++++++++++++++++
- |        OFFSET_NRG      |        OFFSET_QMF       |
+ |        OFFSET_QMF       |        OFFSET_NRG      |
  ++++++++++++++++++++++++++++++++++++++++++++++++++++
-  --------------------------------------------------
- |         0.5 *          |                         |
- | sbr_envYBuffer_size    |     sbr_envRBuffer      |
- |                        |     sbr_envIBuffer      |
-  --------------------------------------------------
+  ------------------------- -------------------------
+ |                         |         0.5 *          |
+ |     sbr_envRBuffer      | sbr_envYBuffer_size    |
+ |     sbr_envIBuffer      |                        |
+  ------------------------- -------------------------
 
 */
   #define BUF_NRG_SIZE   ( (MAX_NUM_CHANNELS * Y_2_BUF_BYTE) )
+  #define BUF_QMF_SIZE  (ENV_R_BUFF_BYTE + ENV_I_BUFF_BYTE)
 
-  #define OFFSET_NRG         ( 0 )
-  #define OFFSET_QMF         ( OFFSET_NRG + BUF_NRG_SIZE )
+  /* Size of the shareable memory region than can be reused */
+  #define SBR_ENC_DYN_RAM_SIZE  ( BUF_QMF_SIZE + BUF_NRG_SIZE )
 
-  /* if common dynamic memory used in AAC-core and SBR, find out maximal size of
-     SCR buffer (see XX in figure above) */
-  /* Only PS required holding 2 channel QMF data. AAC_WK_BUF_SIZE_0 must fit into this buffer. */
-  #define BUF_QMF_SIZE  ( 2*(ENV_R_BUFF_BYTE + ENV_I_BUFF_BYTE) )
+  #define OFFSET_QMF         ( 0 )
+  #define OFFSET_NRG         ( OFFSET_QMF + BUF_QMF_SIZE )
 
-  /* Size of the shareable memory region than can be reused */
-  #define SBR_ENC_DYN_RAM_SIZE  ( BUF_NRG_SIZE + BUF_QMF_SIZE )
 
 /*
  *****************************************************************************************************
@@ -117,53 +114,14 @@ $Revision: 36847 $
   H_ALLOC_MEM(Ram_Sbr_guideVectorOrig, FIXP_DBL)
 
 
-  H_ALLOC_MEM(Ram_PsEnvRBuffer, FIXP_QMF)
-  H_ALLOC_MEM(Ram_PsEnvIBuffer, FIXP_QMF)
-
   H_ALLOC_MEM(Ram_PsQmfStatesSynthesis, FIXP_DBL)
-  H_ALLOC_MEM(Ram_PsQmfNewSamples, FIXP_DBL)
 
-  H_ALLOC_MEM(Ram_PsEncConf, PSENC_CONFIG)
   H_ALLOC_MEM(Ram_PsEncode, PS_ENCODE)
-  H_ALLOC_MEM(Ram_PsData, PS_DATA)
-
-#define HYBRID_READ_OFFSET       ( 10 )
-#define HYBRID_WRITE_OFFSET      ( ((32)>>1)-6 )
 
-#define HYBRID_DATA_READ_OFFSET  ( 0 )
-#define QMF_READ_OFFSET          ( 0 )
-
-  H_ALLOC_MEM(Ram_PsRqmf, FIXP_DBL)
-  H_ALLOC_MEM(Ram_PsIqmf, FIXP_DBL)
   FIXP_DBL* FDKsbrEnc_SliceRam_PsRqmf (FIXP_DBL* rQmfData, UCHAR* dynamic_RAM, int n, int i, int qmfSlots);
   FIXP_DBL* FDKsbrEnc_SliceRam_PsIqmf (FIXP_DBL* iQmfData, UCHAR* dynamic_RAM, int n, int i, int qmfSlots);
 
-  H_ALLOC_MEM(Ram_PsQmfData, PS_QMF_DATA)
-  H_ALLOC_MEM(Ram_PsChData, PS_CHANNEL_DATA)
-
   H_ALLOC_MEM(Ram_ParamStereo, PARAMETRIC_STEREO)
-  H_ALLOC_MEM(Ram_PsOut, PS_OUT)
-
-  /*  HYBRID  */
-  H_ALLOC_MEM(Ram_PsHybFFT, FIXP_DBL)
-
-  H_ALLOC_MEM(Ram_HybData, PS_HYBRID_DATA)
-  H_ALLOC_MEM(Ram_PsRhyb, FIXP_DBL)
-  H_ALLOC_MEM(Ram_PsIhyb, FIXP_DBL)
-
-  H_ALLOC_MEM(Ram_PsHybConfig, PS_HYBRID_CONFIG)
-  H_ALLOC_MEM(Ram_PsHybrid, PS_HYBRID)
-
-  FIXP_DBL* psMqmfBufferRealInit (INT ch, INT i);
-  FIXP_DBL* psMqmfBufferImagInit (INT ch, INT i);
-
-
-  /* working buffer */
-  H_ALLOC_MEM(Ram_PsHybWkReal, FIXP_DBL)
-  H_ALLOC_MEM(Ram_PsHybWkImag, FIXP_DBL)
-
-  H_ALLOC_MEM(Ram_PsMtmpReal, FIXP_DBL)
-  H_ALLOC_MEM(Ram_PsMtmpImag, FIXP_DBL)
 
 
 
diff --git a/libSBRenc/src/sbr_rom.cpp b/libSBRenc/src/sbr_rom.cpp
index e83a519..77cef12 100644
--- a/libSBRenc/src/sbr_rom.cpp
+++ b/libSBRenc/src/sbr_rom.cpp
@@ -25,7 +25,7 @@
 /*!
   \file
   \brief  Definition of constant tables
-  $Revision: 36914 $
+  $Revision: 37577 $
 
   This module contains most of the constant data that can be stored in ROM.
 */
@@ -623,8 +623,8 @@ const sbrTuningTable_t sbrTuningTable[SBRENC_TUNING_SIZE] =
   /* 22.05/44.1 kHz dual rate */
   {  8000, 11369,  22050, 1,  1, 1, 1, 1,  1, 0, 6, SBR_MONO, 3 }, /* nominal:  8 kbit/s */ /**changed (not changed !!)*/
   { 11369, 16000,  22050, 1,  1, 0, 3, 3,  1, 0, 6, SBR_MONO, 3 }, /* nominal: 12 kbit/s */
-  { 16000, 18000,  22050, 1,  1, 0, 4, 3,  1, 0, 6, SBR_MONO, 3 }, /* nominal: 16 kbit/s */
-  { 18000, 22000,  22050, 1,  1, 2, 5, 4,  2, 0, 6, SBR_MONO, 2 }, /* nominal: 20 kbit/s */
+  { 16000, 18000,  22050, 1,  2, 4, 4, 3,  1, 0, 6, SBR_MONO, 3 }, /* nominal: 16 kbit/s */
+  { 18000, 22000,  22050, 1,  4, 4, 5, 5,  2, 0, 6, SBR_MONO, 2 }, /* nominal: 20 kbit/s */
   { 22000, 28000,  22050, 1,  4, 4, 6, 5,  2, 0, 6, SBR_MONO, 2 }, /* nominal: 24 kbit/s */
   { 28000, 36000,  22050, 1,  7, 8, 8, 8,  2, 0, 3, SBR_MONO, 2 }, /* nominal: 32 kbit/s */
   { 36000, 44000,  22050, 1,  9, 9, 9, 9,  2, 0, 3, SBR_MONO, 1 }, /* nominal: 40 kbit/s */
@@ -634,8 +634,8 @@ const sbrTuningTable_t sbrTuningTable[SBRENC_TUNING_SIZE] =
   /* 24/48 kHz dual rate */
   {  8000, 12000,  24000, 1,  1, 1, 1, 1,  1, 0, 6, SBR_MONO, 3 }, /* nominal:  8 kbit/s */ /**changed (not changed !!)*/
   { 12000, 16000,  24000, 1,  1, 0, 3, 3,  1, 0, 6, SBR_MONO, 3 }, /* nominal: 12 kbit/s */
-  { 16000, 18000,  24000, 1,  1, 0, 4, 3,  1, 0, 6, SBR_MONO, 3 }, /* nominal: 16 kbit/s */
-  { 18000, 22000,  24000, 1,  1, 1, 4, 4,  2, 0, 6, SBR_MONO, 2 }, /* nominal: 20 kbit/s */
+  { 16000, 18000,  24000, 1,  2, 4, 4, 3,  1, 0, 6, SBR_MONO, 3 }, /* nominal: 16 kbit/s */
+  { 18000, 22000,  24000, 1,  4, 4, 5, 5,  2, 0, 6, SBR_MONO, 2 }, /* nominal: 20 kbit/s */
   { 22000, 28000,  24000, 1,  4, 4, 6, 5,  2, 0, 6, SBR_MONO, 2 }, /* nominal: 24 kbit/s */
   { 28000, 36000,  24000, 1,  6, 8, 8, 8,  2, 0, 3, SBR_MONO, 2 }, /* nominal: 32 kbit/s */
   { 36000, 44000,  24000, 1,  8, 9, 9, 9,  2, 0, 3, SBR_MONO, 1 }, /* nominal: 40 kbit/s */
@@ -643,7 +643,6 @@ const sbrTuningTable_t sbrTuningTable[SBRENC_TUNING_SIZE] =
   { 52000, 64001,  24000, 1, 13,11,11,10,  2, 0, 3, SBR_MONO, 1 }, /* nominal: 48 kbit/s */
 
   /* 22.05/44.1 kHz dual rate */
-  { 16000, 24000,  22050, 2,  0, 0, 0, 0,  1, 0, -3, SBR_SWITCH_LRC, 3 }, /* nominal: 20 kbit/s */
   { 24000, 28000,  22050, 2,  3, 2, 5, 4,  1, 0, -3, SBR_SWITCH_LRC, 3 }, /* nominal: 24 kbit/s */
   { 28000, 32000,  22050, 2,  3, 2, 7, 6,  2, 0, -3, SBR_SWITCH_LRC, 2 }, /* nominal: 28 kbit/s */
   { 32000, 36000,  22050, 2,  5, 4, 7, 6,  2, 0, -3, SBR_SWITCH_LRC, 2 }, /* nominal: 32 kbit/s */
@@ -655,7 +654,6 @@ const sbrTuningTable_t sbrTuningTable[SBRENC_TUNING_SIZE] =
   { 82000,128001,  22050, 2, 13,12,11,11,  3, 0, -3, SBR_LEFT_RIGHT, 1 }, /* nominal: 80 kbit/s */
 
   /* 24/48 kHz dual rate */
-  { 16000, 24000,  24000, 2,  0, 0, 0, 0,  1, 0, -3, SBR_SWITCH_LRC, 3 }, /* nominal: 20 kbit/s */
   { 24000, 28000,  24000, 2,  3, 3, 5, 5,  1, 0, -3, SBR_SWITCH_LRC, 3 }, /* nominal: 24 kbit/s */
   { 28000, 36000,  24000, 2,  5, 4, 7, 6,  2, 0, -3, SBR_SWITCH_LRC, 2 }, /* nominal: 32 kbit/s */
   { 36000, 44000,  24000, 2,  4, 8, 8, 8,  2, 0, -3, SBR_SWITCH_LRC, 2 }, /* nominal: 40 kbit/s */
@@ -664,6 +662,8 @@ const sbrTuningTable_t sbrTuningTable[SBRENC_TUNING_SIZE] =
   { 60000, 76000,  24000, 2, 11,12,10,11,  3, 0, -3, SBR_LEFT_RIGHT, 1 }, /* nominal: 64 kbit/s */
   { 76000, 88000,  24000, 2, 12,13,11,11,  3, 0, -3, SBR_LEFT_RIGHT, 1 }, /* nominal: 80 kbit/s */
   { 88000,128001,  24000, 2, 13,13,11,11,  3, 0, -3, SBR_LEFT_RIGHT, 1 }, /* nominal: 92 kbit/s */
+
+
 };
 
 const psTuningTable_t psTuningTable[4] =
diff --git a/libSBRenc/src/sbr_rom.h b/libSBRenc/src/sbr_rom.h
index 696a54c..68135cb 100644
--- a/libSBRenc/src/sbr_rom.h
+++ b/libSBRenc/src/sbr_rom.h
@@ -26,7 +26,7 @@
 /*!
 \file
 \brief Declaration of constant tables
-$Revision: 36847 $
+$Revision: 37577 $
 */
 #ifndef __SBR_ROM_H
 #define __SBR_ROM_H
@@ -60,7 +60,11 @@ extern const UCHAR         v_Huff_NoiseLevelL11T[63];
 extern const INT           bookSbrNoiseBalanceC11T[25];
 extern const UCHAR         bookSbrNoiseBalanceL11T[25];
 
-#define SBRENC_TUNING_SIZE (126 + 37)
+#define SBRENC_AACLC_TUNING_SIZE   124
+#define SBRENC_AACELD_TUNING_SIZE   35
+#define SBRENC_AACELD2_TUNING_SIZE  31
+
+#define SBRENC_TUNING_SIZE (SBRENC_AACLC_TUNING_SIZE + SBRENC_AACELD_TUNING_SIZE)
 
 extern const sbrTuningTable_t sbrTuningTable[SBRENC_TUNING_SIZE];