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diff --git a/libAACdec/src/overlapadd.h b/libAACdec/src/overlapadd.h
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+/*****************************  MPEG-4 AAC Decoder  **************************
+
+                        (C) Copyright Fraunhofer IIS (2004)
+                               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.
+
+
+   $Id$
+   Author(s):   Josef Hoepfl
+   Description:
+
+   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 OVERLAPADD_H
+#define OVERLAPADD_H
+
+#include "common_fix.h"
+
+#define  OverlapBufferSize  (1024*2)
+
+typedef FIXP_DBL SPECTRUM[1024];
+typedef FIXP_DBL * SPECTRAL_PTR;
+
+#define SPEC_LONG(ptr)       (ptr)
+#define SPEC(ptr,w,gl)      ((ptr)+((w)*(gl)))
+
+
+#endif /* #ifndef OVERLAPADD_H */