FreeCalypso > hg > gsm-codec-lib

annotate libtwamr/weight_a.h @ 547:f9535c1fbf70

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efrtest: new program gsmefr-decode-tw5
author Mychaela Falconia <falcon@freecalypso.org>
date Fri, 04 Oct 2024 20:17:36 +0000
parents 8c7d5eec544c
children
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8c7d5eec544c libtwamr: integrate weight_a.c
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1 /*
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2 ********************************************************************************
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3 *
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4 * GSM AMR-NB speech codec R98 Version 7.6.0 December 12, 2001
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5 * R99 Version 3.3.0
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6 * REL-4 Version 4.1.0
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7 *
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8 ********************************************************************************
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9 *
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10 * File : weight_a.h
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11 * Purpose : Spectral expansion of LP coefficients. (order==10)
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12 * Description : a_exp[i] = a[i] * fac[i-1] ,i=1,10
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13 *
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14 *
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15 ********************************************************************************
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16 */
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17 #ifndef weight_a_h
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18 #define weight_a_h "$Id $"
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19
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20 /*
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21 ********************************************************************************
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22 * INCLUDE FILES
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23 ********************************************************************************
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24 */
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25 #include "typedef.h"
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26
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27 /*
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28 ********************************************************************************
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29 * DEFINITION OF DATA TYPES
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30 ********************************************************************************
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31 */
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32
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33 /*
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34 ********************************************************************************
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35 * DECLARATION OF PROTOTYPES
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36 ********************************************************************************
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37 */
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38
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39 void Weight_Ai (
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40 Word16 a[], /* (i) : a[m+1] LPC coefficients (m=10) */
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41 const Word16 fac[],/* (i) : Spectral expansion factors. */
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42 Word16 a_exp[] /* (o) : Spectral expanded LPC coefficients */
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43 );
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44
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45 #endif