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annotate libtwamr/grid.tab @ 458:e26b974f7ba3

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doc/AMR-study-utils: update for the current situation
author Mychaela Falconia <falcon@freecalypso.org>
date Fri, 10 May 2024 18:45:36 +0000
parents 54f6bc41ed10
children
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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 : pow2.c
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11 * Purpose : Table for az_lsf()
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12 * $Id $
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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 * Table for az_lsf() *
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18 * *
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19 * grid[0] = 1.0; *
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20 * grid[grid_points+1] = -1.0; *
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21 * for (i = 1; i < grid_points; i++) *
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22 * grid[i] = cos((6.283185307*i)/(2.0*grid_points)); *
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23 * *
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24 *-------------------------------------------------------------*/
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25
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26 #define grid_points 60
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27
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28 static const Word16 grid[grid_points + 1] =
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29 {
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30 32760, 32723, 32588, 32364, 32051, 31651,
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31 31164, 30591, 29935, 29196, 28377, 27481,
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32 26509, 25465, 24351, 23170, 21926, 20621,
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33 19260, 17846, 16384, 14876, 13327, 11743,
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34 10125, 8480, 6812, 5126, 3425, 1714,
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35 0, -1714, -3425, -5126, -6812, -8480,
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36 -10125, -11743, -13327, -14876, -16384, -17846,
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37 -19260, -20621, -21926, -23170, -24351, -25465,
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38 -26509, -27481, -28377, -29196, -29935, -30591,
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39 -31164, -31651, -32051, -32364, -32588, -32723,
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40 -32760
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41 };