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comparison libtwamr/lsp_lsf.h @ 344:05a46720af0f

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libtwamr: integrate d_plsf_3.c
author Mychaela Falconia <falcon@freecalypso.org>
date Fri, 19 Apr 2024 01:23:15 +0000
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343:3f574255c3aa 344:05a46720af0f
1 /*
2 ********************************************************************************
3 *
4 * GSM AMR-NB speech codec R98 Version 7.6.0 December 12, 2001
5 * R99 Version 3.3.0
6 * REL-4 Version 4.1.0
7 *
8 ********************************************************************************
9 *
10 * File : lsp_lsf.h
11 * Purpose : Lsp_lsf: Transformation lsp to lsf
12 * : Lsf_lsp: Transformation lsf to lsp
13 *
14 ********************************************************************************
15 */
16 #ifndef lsp_lsf_h
17 #define lsp_lsf_h "$Id $"
18
19 /*
20 ********************************************************************************
21 * INCLUDE FILES
22 ********************************************************************************
23 */
24 #include "typedef.h"
25
26 /*
27 ********************************************************************************
28 * DEFINITION OF DATA TYPES
29 ********************************************************************************
30 */
31
32 /*
33 ********************************************************************************
34 * DECLARATION OF PROTOTYPES
35 ********************************************************************************
36 */
37 void Lsf_lsp (
38 Word16 lsf[], /* (i) : lsf[m] normalized (range: 0.0<=val<=0.5) */
39 Word16 lsp[], /* (o) : lsp[m] (range: -1<=val<1) */
40 Word16 m /* (i) : LPC order */
41 );
42 void Lsp_lsf (
43 Word16 lsp[], /* (i) : lsp[m] (range: -1<=val<1) */
44 Word16 lsf[], /* (o) : lsf[m] normalized (range: 0.0<=val<=0.5) */
45 Word16 m /* (i) : LPC order */
46 );
47
48 #endif