FreeCalypso > hg > gsm-codec-lib
annotate libtwamr/residu.h @ 476:c84bf526c7eb
beginning of libtwamr documentation
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Sat, 18 May 2024 21:22:07 +0000 |
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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 : residu.h |
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11 * Purpose : Computes the LP residual. |
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12 * Description : The LP residual is computed by filtering the input |
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13 * : speech through the LP inverse filter A(z). |
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14 * |
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15 * |
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16 ******************************************************************************** |
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17 */ |
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18 #ifndef residu_h |
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19 #define residu_h "$Id $" |
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20 |
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21 /* |
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22 ******************************************************************************** |
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23 * INCLUDE FILES |
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24 ******************************************************************************** |
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25 */ |
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26 #include "typedef.h" |
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27 |
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28 /* |
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29 ******************************************************************************** |
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30 * DEFINITION OF DATA TYPES |
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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 ******************************************************************************** |
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36 * DECLARATION OF PROTOTYPES |
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37 ******************************************************************************** |
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38 */ |
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39 |
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40 void Residu ( |
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41 Word16 a[], /* (i) : prediction coefficients */ |
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42 Word16 x[], /* (i) : speech signal */ |
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43 Word16 y[], /* (o) : residual signal */ |
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44 Word16 lg /* (i) : size of filtering */ |
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45 ); |
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46 |
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47 #endif |