FreeCalypso > hg > gsm-codec-lib

annotate libgsmefr/cnst.h @ 553:ebcf414b7d99

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
doc/TFO-transform: describe details for FRv1, both modes
author Mychaela Falconia <falcon@freecalypso.org>
date Mon, 07 Oct 2024 08:24:24 +0000
parents f9c9dd458d55
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
39
36e1363ad885 libgsmefr: initial import of ETSI header files
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
1 /*--------------------------------------------------------------------------*
36e1363ad885 libgsmefr: initial import of ETSI header files
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
2 * Codec constant parameters (coder, decoder, and postfilter) *
36e1363ad885 libgsmefr: initial import of ETSI header files
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
3 *---------------------------------------------------------------------------*/
36e1363ad885 libgsmefr: initial import of ETSI header files
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
4
36e1363ad885 libgsmefr: initial import of ETSI header files
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
5 #define L_TOTAL 320 /* Total size of speech buffer. */
36e1363ad885 libgsmefr: initial import of ETSI header files
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
6 #define L_WINDOW 240 /* Window size in LP analysis */
36e1363ad885 libgsmefr: initial import of ETSI header files
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
7 #define L_FRAME 160 /* Frame size */
36e1363ad885 libgsmefr: initial import of ETSI header files
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
8 #define L_FRAME_BY2 80 /* Frame size divided by 2 */
36e1363ad885 libgsmefr: initial import of ETSI header files
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
9 #define L_SUBFR 40 /* Subframe size */
36e1363ad885 libgsmefr: initial import of ETSI header files
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
10 #define M 10 /* Order of LP filter */
36e1363ad885 libgsmefr: initial import of ETSI header files
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
11 #define MP1 (M+1) /* Order of LP filter + 1 */
36e1363ad885 libgsmefr: initial import of ETSI header files
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
12 #define AZ_SIZE (4*M+4) /* Size of array of LP filters in 4 subfr.s */
36e1363ad885 libgsmefr: initial import of ETSI header files
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
13 #define PIT_MIN 18 /* Minimum pitch lag */
36e1363ad885 libgsmefr: initial import of ETSI header files
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
14 #define PIT_MAX 143 /* Maximum pitch lag */
36e1363ad885 libgsmefr: initial import of ETSI header files
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
15 #define L_INTERPOL (10+1) /* Length of filter for interpolation */
36e1363ad885 libgsmefr: initial import of ETSI header files
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
16
36e1363ad885 libgsmefr: initial import of ETSI header files
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
17 #define PRM_SIZE 57 /* Size of vector of analysis parameters */
36e1363ad885 libgsmefr: initial import of ETSI header files
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
18
36e1363ad885 libgsmefr: initial import of ETSI header files
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
19 #define MU 26214 /* Factor for tilt compensation filter 0.8 */
36e1363ad885 libgsmefr: initial import of ETSI header files
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
20 #define AGC_FAC 29491 /* Factor for automatic gain control 0.9 */
50
9ae58ffb4197 libgsmefr/cnst.h: add DTX_HANGOVER definition,
Mychaela Falconia <falcon@freecalypso.org>
parents: 39
diff changeset
21
9ae58ffb4197 libgsmefr/cnst.h: add DTX_HANGOVER definition,
Mychaela Falconia <falcon@freecalypso.org>
parents: 39
diff changeset
22 #define DTX_HANGOVER 7 /* Period when SP=1 although VAD=0.
9ae58ffb4197 libgsmefr/cnst.h: add DTX_HANGOVER definition,
Mychaela Falconia <falcon@freecalypso.org>
parents: 39
diff changeset
23 Used for comfort noise averaging */