FreeCalypso > hg > gsm-codec-lib
comparison libtwamr/weight_a.h @ 395:8c7d5eec544c
libtwamr: integrate weight_a.c
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Mon, 06 May 2024 18:52:57 +0000 |
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394:2af94ba0c075 | 395:8c7d5eec544c |
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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 : weight_a.h | |
11 * Purpose : Spectral expansion of LP coefficients. (order==10) | |
12 * Description : a_exp[i] = a[i] * fac[i-1] ,i=1,10 | |
13 * | |
14 * | |
15 ******************************************************************************** | |
16 */ | |
17 #ifndef weight_a_h | |
18 #define weight_a_h "$Id $" | |
19 | |
20 /* | |
21 ******************************************************************************** | |
22 * INCLUDE FILES | |
23 ******************************************************************************** | |
24 */ | |
25 #include "typedef.h" | |
26 | |
27 /* | |
28 ******************************************************************************** | |
29 * DEFINITION OF DATA TYPES | |
30 ******************************************************************************** | |
31 */ | |
32 | |
33 /* | |
34 ******************************************************************************** | |
35 * DECLARATION OF PROTOTYPES | |
36 ******************************************************************************** | |
37 */ | |
38 | |
39 void Weight_Ai ( | |
40 Word16 a[], /* (i) : a[m+1] LPC coefficients (m=10) */ | |
41 const Word16 fac[],/* (i) : Spectral expansion factors. */ | |
42 Word16 a_exp[] /* (o) : Spectral expanded LPC coefficients */ | |
43 ); | |
44 | |
45 #endif |