annotate libtwamr/ex_ctrl.h @ 369:a01de4e40540

libtwamr: integrate q_gain_p.c
author Mychaela Falconia <falcon@freecalypso.org>
date Mon, 06 May 2024 03:22:07 +0000
parents 3f27ca24c620
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
364
3f27ca24c620 libtwamr: integrate ex_ctrl.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
1 /*
3f27ca24c620 libtwamr: integrate ex_ctrl.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
2 ********************************************************************************
3f27ca24c620 libtwamr: integrate ex_ctrl.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
3 *
3f27ca24c620 libtwamr: integrate ex_ctrl.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
4 * GSM AMR-NB speech codec R98 Version 7.6.0 December 12, 2001
3f27ca24c620 libtwamr: integrate ex_ctrl.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
5 * R99 Version 3.3.0
3f27ca24c620 libtwamr: integrate ex_ctrl.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
6 * REL-4 Version 4.1.0
3f27ca24c620 libtwamr: integrate ex_ctrl.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
7 *
3f27ca24c620 libtwamr: integrate ex_ctrl.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
8 ********************************************************************************
3f27ca24c620 libtwamr: integrate ex_ctrl.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
9 *
3f27ca24c620 libtwamr: integrate ex_ctrl.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
10 * File : ex_ctrl.h
3f27ca24c620 libtwamr: integrate ex_ctrl.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
11 * Purpose : Excitation Control module in background noise
3f27ca24c620 libtwamr: integrate ex_ctrl.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
12 *
3f27ca24c620 libtwamr: integrate ex_ctrl.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
13 ********************************************************************************
3f27ca24c620 libtwamr: integrate ex_ctrl.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
14 */
3f27ca24c620 libtwamr: integrate ex_ctrl.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
15 #ifndef ex_ctrl_h
3f27ca24c620 libtwamr: integrate ex_ctrl.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
16 #define ex_ctrl_h "$Id $"
3f27ca24c620 libtwamr: integrate ex_ctrl.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
17
3f27ca24c620 libtwamr: integrate ex_ctrl.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
18 /*
3f27ca24c620 libtwamr: integrate ex_ctrl.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
19 ********************************************************************************
3f27ca24c620 libtwamr: integrate ex_ctrl.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
20 * INCLUDE FILES
3f27ca24c620 libtwamr: integrate ex_ctrl.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
21 ********************************************************************************
3f27ca24c620 libtwamr: integrate ex_ctrl.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
22 */
3f27ca24c620 libtwamr: integrate ex_ctrl.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
23 #include "typedef.h"
3f27ca24c620 libtwamr: integrate ex_ctrl.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
24 #include "cnst.h"
3f27ca24c620 libtwamr: integrate ex_ctrl.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
25
3f27ca24c620 libtwamr: integrate ex_ctrl.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
26 /*
3f27ca24c620 libtwamr: integrate ex_ctrl.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
27 ********************************************************************************
3f27ca24c620 libtwamr: integrate ex_ctrl.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
28 * LOCAL VARIABLES AND TABLES
3f27ca24c620 libtwamr: integrate ex_ctrl.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
29 ********************************************************************************
3f27ca24c620 libtwamr: integrate ex_ctrl.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
30 */
3f27ca24c620 libtwamr: integrate ex_ctrl.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
31 #define L_ENERGYHIST 60
3f27ca24c620 libtwamr: integrate ex_ctrl.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
32
3f27ca24c620 libtwamr: integrate ex_ctrl.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
33 /*
3f27ca24c620 libtwamr: integrate ex_ctrl.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
34 ********************************************************************************
3f27ca24c620 libtwamr: integrate ex_ctrl.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
35 * DEFINITION OF DATA TYPES
3f27ca24c620 libtwamr: integrate ex_ctrl.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
36 ********************************************************************************
3f27ca24c620 libtwamr: integrate ex_ctrl.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
37 */
3f27ca24c620 libtwamr: integrate ex_ctrl.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
38
3f27ca24c620 libtwamr: integrate ex_ctrl.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
39 /*
3f27ca24c620 libtwamr: integrate ex_ctrl.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
40 ********************************************************************************
3f27ca24c620 libtwamr: integrate ex_ctrl.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
41 * DECLARATION OF PROTOTYPES
3f27ca24c620 libtwamr: integrate ex_ctrl.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
42 ********************************************************************************
3f27ca24c620 libtwamr: integrate ex_ctrl.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
43 */
3f27ca24c620 libtwamr: integrate ex_ctrl.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
44
3f27ca24c620 libtwamr: integrate ex_ctrl.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
45 /*
3f27ca24c620 libtwamr: integrate ex_ctrl.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
46 **************************************************************************
3f27ca24c620 libtwamr: integrate ex_ctrl.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
47 *
3f27ca24c620 libtwamr: integrate ex_ctrl.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
48 * Function : Ex_ctrl
3f27ca24c620 libtwamr: integrate ex_ctrl.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
49 * Purpose : Charaterice synthesis speech and detect background noise
3f27ca24c620 libtwamr: integrate ex_ctrl.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
50 * Returns : background noise decision; 0 = bgn, 1 = no bgn
3f27ca24c620 libtwamr: integrate ex_ctrl.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
51 *
3f27ca24c620 libtwamr: integrate ex_ctrl.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
52 **************************************************************************
3f27ca24c620 libtwamr: integrate ex_ctrl.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
53 */
3f27ca24c620 libtwamr: integrate ex_ctrl.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
54 Word16 Ex_ctrl (Word16 excitation[], /*i/o: Current subframe excitation */
3f27ca24c620 libtwamr: integrate ex_ctrl.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
55 Word16 excEnergy, /* i : Exc. Energy, sqrt(totEx*totEx)*/
3f27ca24c620 libtwamr: integrate ex_ctrl.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
56 Word16 exEnergyHist[], /* i : History of subframe energies */
3f27ca24c620 libtwamr: integrate ex_ctrl.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
57 Word16 voicedHangover, /* i : # of fr. after last voiced fr.*/
3f27ca24c620 libtwamr: integrate ex_ctrl.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
58 Word16 prevBFI, /* i : Set i previous BFI */
3f27ca24c620 libtwamr: integrate ex_ctrl.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
59 Word16 carefulFlag /* i : Restrict dymamic in scaling */
3f27ca24c620 libtwamr: integrate ex_ctrl.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
60 );
3f27ca24c620 libtwamr: integrate ex_ctrl.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
61
3f27ca24c620 libtwamr: integrate ex_ctrl.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
62 #endif