annotate libtwamr/cnst.h @ 483:4f13db3a7086

doc/Utils-overview: document new utilities
author Mychaela Falconia <falcon@freecalypso.org>
date Mon, 20 May 2024 01:26:12 +0000
parents 57b4053559ff
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
252
57b4053559ff libtwamr: beginning of project
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
1 /*
57b4053559ff libtwamr: beginning of project
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
2 *****************************************************************************
57b4053559ff libtwamr: beginning of project
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
3 *
57b4053559ff libtwamr: beginning of project
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
4 * GSM AMR-NB speech codec R98 Version 7.6.0 December 12, 2001
57b4053559ff libtwamr: beginning of project
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
5 * R99 Version 3.3.0
57b4053559ff libtwamr: beginning of project
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
6 * REL-4 Version 4.1.0
57b4053559ff libtwamr: beginning of project
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
7 *
57b4053559ff libtwamr: beginning of project
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
8 *****************************************************************************
57b4053559ff libtwamr: beginning of project
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
9 *
57b4053559ff libtwamr: beginning of project
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
10 * File : cnst.h
57b4053559ff libtwamr: beginning of project
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
11 * Purpose : Speech codec constant parameters
57b4053559ff libtwamr: beginning of project
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
12 * : (encoder, decoder, and postfilter)
57b4053559ff libtwamr: beginning of project
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
13 *
57b4053559ff libtwamr: beginning of project
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
14 *****************************************************************************
57b4053559ff libtwamr: beginning of project
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
15 */
57b4053559ff libtwamr: beginning of project
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
16 #ifndef cnst_h
57b4053559ff libtwamr: beginning of project
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
17 #define cnst_h "$Id $"
57b4053559ff libtwamr: beginning of project
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
18
57b4053559ff libtwamr: beginning of project
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
19 #define L_TOTAL 320 /* Total size of speech buffer. */
57b4053559ff libtwamr: beginning of project
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
20 #define L_WINDOW 240 /* Window size in LP analysis */
57b4053559ff libtwamr: beginning of project
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
21 #define L_FRAME 160 /* Frame size */
57b4053559ff libtwamr: beginning of project
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
22 #define L_FRAME_BY2 80 /* Frame size divided by 2 */
57b4053559ff libtwamr: beginning of project
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
23 #define L_SUBFR 40 /* Subframe size */
57b4053559ff libtwamr: beginning of project
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
24 #define L_CODE 40 /* codevector length */
57b4053559ff libtwamr: beginning of project
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
25 #define NB_TRACK 5 /* number of tracks */
57b4053559ff libtwamr: beginning of project
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
26 #define STEP 5 /* codebook step size */
57b4053559ff libtwamr: beginning of project
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
27 #define NB_TRACK_MR102 4 /* number of tracks mode mr102 */
57b4053559ff libtwamr: beginning of project
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
28 #define STEP_MR102 4 /* codebook step size mode mr102 */
57b4053559ff libtwamr: beginning of project
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
29 #define M 10 /* Order of LP filter */
57b4053559ff libtwamr: beginning of project
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
30 #define MP1 (M+1) /* Order of LP filter + 1 */
57b4053559ff libtwamr: beginning of project
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
31 #define LSF_GAP 205 /* Minimum distance between LSF after quan-
57b4053559ff libtwamr: beginning of project
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
32 tization; 50 Hz = 205 */
57b4053559ff libtwamr: beginning of project
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
33 #define LSP_PRED_FAC_MR122 21299 /* MR122 LSP prediction factor (0.65 Q15) */
57b4053559ff libtwamr: beginning of project
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
34 #define AZ_SIZE (4*M+4) /* Size of array of LP filters in 4 subfr.s */
57b4053559ff libtwamr: beginning of project
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
35 #define PIT_MIN_MR122 18 /* Minimum pitch lag (MR122 mode) */
57b4053559ff libtwamr: beginning of project
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
36 #define PIT_MIN 20 /* Minimum pitch lag (all other modes) */
57b4053559ff libtwamr: beginning of project
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
37 #define PIT_MAX 143 /* Maximum pitch lag */
57b4053559ff libtwamr: beginning of project
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
38 #define L_INTERPOL (10+1) /* Length of filter for interpolation */
57b4053559ff libtwamr: beginning of project
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
39 #define L_INTER_SRCH 4 /* Length of filter for CL LTP search
57b4053559ff libtwamr: beginning of project
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
40 interpolation */
57b4053559ff libtwamr: beginning of project
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
41
57b4053559ff libtwamr: beginning of project
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
42 #define MU 26214 /* Factor for tilt compensation filter 0.8 */
57b4053559ff libtwamr: beginning of project
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
43 #define AGC_FAC 29491 /* Factor for automatic gain control 0.9 */
57b4053559ff libtwamr: beginning of project
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
44
57b4053559ff libtwamr: beginning of project
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
45 #define L_NEXT 40 /* Overhead in LP analysis */
57b4053559ff libtwamr: beginning of project
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
46 #define SHARPMAX 13017 /* Maximum value of pitch sharpening */
57b4053559ff libtwamr: beginning of project
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
47 #define SHARPMIN 0 /* Minimum value of pitch sharpening */
57b4053559ff libtwamr: beginning of project
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
48
57b4053559ff libtwamr: beginning of project
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
49
57b4053559ff libtwamr: beginning of project
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
50 #define MAX_PRM_SIZE 57 /* max. num. of params */
57b4053559ff libtwamr: beginning of project
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
51 #define MAX_SERIAL_SIZE 244 /* max. num. of serial bits */
57b4053559ff libtwamr: beginning of project
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
52
57b4053559ff libtwamr: beginning of project
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
53 #define GP_CLIP 15565 /* Pitch gain clipping = 0.95 */
57b4053559ff libtwamr: beginning of project
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
54 #define N_FRAME 7 /* old pitch gains in average calculation */
57b4053559ff libtwamr: beginning of project
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
55
57b4053559ff libtwamr: beginning of project
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
56 #define EHF_MASK 0x0008 /* encoder homing frame pattern */
57b4053559ff libtwamr: beginning of project
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
57
57b4053559ff libtwamr: beginning of project
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
58 #endif