FreeCalypso > hg > gsm-codec-lib

annotate libtwamr/lsp_az.h @ 501:597b39aef484

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
libgsmhr1/mathhalf.h: rm unused declarations for non-saturating functions
author Mychaela Falconia <falcon@freecalypso.org>
date Wed, 19 Jun 2024 00:54:44 +0000
parents 2ed325c9a507
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
380
2ed325c9a507 libtwamr: integrate lsp_az.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
1 /*
2ed325c9a507 libtwamr: integrate lsp_az.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
2 ********************************************************************************
2ed325c9a507 libtwamr: integrate lsp_az.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
3 *
2ed325c9a507 libtwamr: integrate lsp_az.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
4 * GSM AMR-NB speech codec R98 Version 7.6.0 December 12, 2001
2ed325c9a507 libtwamr: integrate lsp_az.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
5 * R99 Version 3.3.0
2ed325c9a507 libtwamr: integrate lsp_az.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
6 * REL-4 Version 4.1.0
2ed325c9a507 libtwamr: integrate lsp_az.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
7 *
2ed325c9a507 libtwamr: integrate lsp_az.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
8 ********************************************************************************
2ed325c9a507 libtwamr: integrate lsp_az.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
9 *
2ed325c9a507 libtwamr: integrate lsp_az.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
10 * File : lsp_az.h
2ed325c9a507 libtwamr: integrate lsp_az.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
11 * Purpose : Converts from the line spectral pairs (LSP) to
2ed325c9a507 libtwamr: integrate lsp_az.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
12 * : LP coefficients, for a 10th order filter.
2ed325c9a507 libtwamr: integrate lsp_az.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
13 *
2ed325c9a507 libtwamr: integrate lsp_az.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
14 ********************************************************************************
2ed325c9a507 libtwamr: integrate lsp_az.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
15 */
2ed325c9a507 libtwamr: integrate lsp_az.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
16 #ifndef lsp_az_h
2ed325c9a507 libtwamr: integrate lsp_az.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
17 #define lsp_az_h "$Id $"
2ed325c9a507 libtwamr: integrate lsp_az.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
18
2ed325c9a507 libtwamr: integrate lsp_az.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
19 /*
2ed325c9a507 libtwamr: integrate lsp_az.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
20 ********************************************************************************
2ed325c9a507 libtwamr: integrate lsp_az.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
21 * INCLUDE FILES
2ed325c9a507 libtwamr: integrate lsp_az.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
22 ********************************************************************************
2ed325c9a507 libtwamr: integrate lsp_az.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
23 */
2ed325c9a507 libtwamr: integrate lsp_az.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
24 #include "typedef.h"
2ed325c9a507 libtwamr: integrate lsp_az.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
25
2ed325c9a507 libtwamr: integrate lsp_az.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
26 /*
2ed325c9a507 libtwamr: integrate lsp_az.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
27 ********************************************************************************
2ed325c9a507 libtwamr: integrate lsp_az.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
28 * DEFINITION OF DATA TYPES
2ed325c9a507 libtwamr: integrate lsp_az.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
29 ********************************************************************************
2ed325c9a507 libtwamr: integrate lsp_az.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
30 */
2ed325c9a507 libtwamr: integrate lsp_az.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
31
2ed325c9a507 libtwamr: integrate lsp_az.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
32 /*
2ed325c9a507 libtwamr: integrate lsp_az.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
33 ********************************************************************************
2ed325c9a507 libtwamr: integrate lsp_az.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
34 * DECLARATION OF PROTOTYPES
2ed325c9a507 libtwamr: integrate lsp_az.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
35 ********************************************************************************
2ed325c9a507 libtwamr: integrate lsp_az.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
36 */
2ed325c9a507 libtwamr: integrate lsp_az.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
37 void Lsp_Az (
2ed325c9a507 libtwamr: integrate lsp_az.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
38 Word16 lsp[], /* (i) : line spectral frequencies */
2ed325c9a507 libtwamr: integrate lsp_az.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
39 Word16 a[] /* (o) : predictor coefficients (order = 10) */
2ed325c9a507 libtwamr: integrate lsp_az.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
40 );
2ed325c9a507 libtwamr: integrate lsp_az.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
41
2ed325c9a507 libtwamr: integrate lsp_az.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
42 #endif