FreeCalypso > hg > gsm-codec-lib
comparison libgsmefr/cnst.h @ 39:36e1363ad885
libgsmefr: initial import of ETSI header files
| author | Mychaela Falconia <falcon@freecalypso.org> |
|---|---|
| date | Thu, 24 Nov 2022 07:38:23 +0000 |
| parents | |
| children | 9ae58ffb4197 |
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| 38:38326102fc43 | 39:36e1363ad885 |
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| 1 /*--------------------------------------------------------------------------* | |
| 2 * Codec constant parameters (coder, decoder, and postfilter) * | |
| 3 *---------------------------------------------------------------------------*/ | |
| 4 | |
| 5 #define L_TOTAL 320 /* Total size of speech buffer. */ | |
| 6 #define L_WINDOW 240 /* Window size in LP analysis */ | |
| 7 #define L_FRAME 160 /* Frame size */ | |
| 8 #define L_FRAME_BY2 80 /* Frame size divided by 2 */ | |
| 9 #define L_SUBFR 40 /* Subframe size */ | |
| 10 #define M 10 /* Order of LP filter */ | |
| 11 #define MP1 (M+1) /* Order of LP filter + 1 */ | |
| 12 #define AZ_SIZE (4*M+4) /* Size of array of LP filters in 4 subfr.s */ | |
| 13 #define PIT_MIN 18 /* Minimum pitch lag */ | |
| 14 #define PIT_MAX 143 /* Maximum pitch lag */ | |
| 15 #define L_INTERPOL (10+1) /* Length of filter for interpolation */ | |
| 16 | |
| 17 #define PRM_SIZE 57 /* Size of vector of analysis parameters */ | |
| 18 #define SERIAL_SIZE (244+1) /* bits per frame + bfi */ | |
| 19 | |
| 20 #define MU 26214 /* Factor for tilt compensation filter 0.8 */ | |
| 21 #define AGC_FAC 29491 /* Factor for automatic gain control 0.9 */ |