diff options
| author | Matthias P. Braendli <matthias.braendli@mpb.li> | 2019-04-14 21:48:14 +0200 |
|---|---|---|
| committer | Matthias P. Braendli <matthias.braendli@mpb.li> | 2019-04-14 21:48:14 +0200 |
| commit | 882e3bb1c298343daf66f705bd4036c98c4f4b9f (patch) | |
| tree | c90e59420d7d4daa639333ae32de336b631fd924 /src | |
| parent | b78a68e23216dd4f3c08f8101ba13ad713452206 (diff) | |
| download | glutte-o-matic-882e3bb1c298343daf66f705bd4036c98c4f4b9f.tar.gz glutte-o-matic-882e3bb1c298343daf66f705bd4036c98c4f4b9f.tar.bz2 glutte-o-matic-882e3bb1c298343daf66f705bd4036c98c4f4b9f.zip | |
Switch to 16kHz audio
Diffstat (limited to 'src')
| -rw-r--r-- | src/common/includes/Audio/audio_in.h | 4 | ||||
| -rw-r--r-- | src/common/includes/Audio/tone.h | 2 | ||||
| -rw-r--r-- | src/common/src/Audio/tone.c | 2 |
3 files changed, 4 insertions, 4 deletions
diff --git a/src/common/includes/Audio/audio_in.h b/src/common/includes/Audio/audio_in.h index 40482d9..d2e8378 100644 --- a/src/common/includes/Audio/audio_in.h +++ b/src/common/includes/Audio/audio_in.h @@ -27,8 +27,8 @@ #include <stdio.h> #include "FreeRTOS.h" -#define AUDIO_IN_RATE 8000 -#define AUDIO_IN_BUF_LEN 400 +#define AUDIO_IN_RATE 16000 +#define AUDIO_IN_BUF_LEN 1600 void audio_in_initialize(void); diff --git a/src/common/includes/Audio/tone.h b/src/common/includes/Audio/tone.h index 294fe54..f8f4132 100644 --- a/src/common/includes/Audio/tone.h +++ b/src/common/includes/Audio/tone.h @@ -30,8 +30,6 @@ #define TONE_BUFFER_LEN AUDIO_IN_BUF_LEN -#define TONE_N 400 - struct tone_detector { float coef; float Q1; diff --git a/src/common/src/Audio/tone.c b/src/common/src/Audio/tone.c index 29e2936..0618c8c 100644 --- a/src/common/src/Audio/tone.c +++ b/src/common/src/Audio/tone.c @@ -36,6 +36,8 @@ #include "arm_math.h" #endif +#define TONE_N 800 + /* DTMF frequencies * COL_1 COL_2 COL_3 COL_A * 1209 1336 1477 1633 |