233 lines
9.8 KiB
C
233 lines
9.8 KiB
C
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/*
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* Project: Direct Subband about 13000 bps coder and SBCELP 4800 bps coder
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* Workfile: data.c
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* Author: Georges Zanellato, Alfred Wiesen
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* Created: 30 August 1995
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* Last update: 26 October 1995
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* DLL Version: 1.00
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* Revision: Single DLL for coder and decoder.
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* Comment:
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*
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* (C) Copyright 1993-95 Lernout & Hauspie Speech Products N.V. (TM)
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* All rights reserved. Company confidential.
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*/
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//#include <math.h>
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#include <windows.h>
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#include "data.h"
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// ------------------------------------------------------------------------
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// ROM tables :
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// ------------------------------------------------------------------------
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short coef_I[Fil_Lenght] = // QMF filter coefficients
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{ 94, -62, -528, 3499,
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15641, -3122, 1178, -326 };
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/****/
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short B3_I[2]={-3072, 3072};
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short B4_I[3]={-4233, 0, 4233};
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short B5_I[4]={-4915,-1638, 1638, 4915};
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short B6_I[5]={-5406,-2703, 0, 2703, 5406};
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short B7_I[6]={-5802,-3481,-1160, 1160, 3481, 5802};
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short B8_I[7]={-6144,-4096,-2048, 0, 2048, 4096, 6144};
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short B9_I[8]={-6451,-4607,-2764, -921, 921, 2764, 4607, 6451};
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short V3_I[3]={-6144, 0, 6144}; // 75 %
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short V4_I[4]={-6349,-2116, 2116, 6349}; // 77.5 %
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short V5_I[5]={-6554,-3277, 0, 3277, 6554}; // 80 %
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short V6_I[6]={-6758,-4055,-1352, 1352, 4055, 6758}; // 82.5 %
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short V7_I[7]={-6963,-4642,-2321, 0, 2321, 4642, 6963}; // 85 %
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short V8_I[8]={-7168,-5120,-3072,-1024, 1024, 3072, 5120, 7168}; // 87.5 %
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short V9_I[9]={-7373,-5529,-3686,-1843, 0, 1843, 3686, 5529, 7373};// 90 %
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/**** Nouvelles tables ****/
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//short B9_I[8]={-6707,-4791,-2874, -958, 958, 2874, 4791, 6707}; //lineaires
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//short V9_I[9]={-7666,-5749,-3833,-1916, 0, 1916, 3833, 5749, 7666};
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//short B9_I[8]={-5702,-3154,-1745, -965, 965, 1745, 3154, 5702}; //log
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//short V9_I[9]={-7666,-4241,-2346,-1298, 0, 1298, 2346, 4241, 7666};
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/****/
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/**** Quantif du maximum des ss bandes avec calcul des distances; ****/
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/**** les ech. des ss bandes peuvent etre superieurs a 1 ****/
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/****/
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short max_level[32] = {
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10, 30, 60, 100, 117, 138, 162, 190,
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223, 262, 308, 361, 425, 499, 586, 688,
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808, 949, 1114, 1308, 1536, 1804, 2119, 2488,
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2922, 3431, 4030, 4732, 5557, 6526, 7664, 9000
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};
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short d_max_level[32] = { // Division des petites valeurs pour r<>duire le bruit
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2, 10, 30, 60, 100, 138, 162, 190,
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223, 262, 308, 361, 425, 499, 586, 688,
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808, 949, 1114, 1308, 1536, 1804, 2119, 2488,
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2922, 3431, 4030, 4732, 5557, 6526, 7664, 9000
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};
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/****/
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/**** Cette table est la meme que la precedente mais avec comparaison ****/
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/**** simple (les ech des ss bandes seront alors tjs inferieurs a 1) ****/
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/****
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short max_level[32] = { // Quantified maximum sample level
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20, 45, 80, 109, 128, 150, 176, 207,
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243, 285, 335, 393, 462, 543, 637, 748,
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879, 1032, 1211, 1422, 1670, 1962, 2304, 2705,
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3177, 3731, 4381, 5145, 6042, 7095, 8332,16000
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};
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/****/
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/*** New table with new structure (variable threshold) ***
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short max_level[32] = {
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100, 125, 150, 200, 250, 285, 326, 372,
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425, 485, 554, 633, 723, 825, 943, 1076,
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1229, 1404, 1603, 1830, 2090, 2387, 2726, 3113,
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3554, 4059, 4635, 5293, 6044, 6902, 7881, 9000,
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};
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/****/
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// Masques utilis<69>s pour le multiplexage et d<>multiplexage des trames cod<6F>es
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// Mask[i] donne acc<63>s aux i bits de poids faible d'un long
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long Mask[9]={0,1,3,7,15,31,63,127,255};
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// PhilF: Since these depend on the bit rate, moved them from global to instance data...
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//short quantif[2*NBSB_SP_MAX1]={QUANT_LEVELS};
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//short bits[NBSB_SP_MAX1]={CODING_BITS};
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//short bytes[NBSB_SP_MAX1+1]={OUTPUT_BYTES};
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/*short quantif[16]={9,9,7,7,7,6,5,5,5,5,0,0,0,0,0,0};
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short bits[8]={52,46,44,38,38,0,0,0};
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short bytes[9]={1,9,15,21,26,32,0,0,0};*/
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// Hamming window
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short hamming[220] =
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{ 2621, 2628, 2646, 2677, 2721, 2776, 2844, 2924, 3017, 3121,
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3237, 3366, 3506, 3658, 3821, 3996, 4182, 4379, 4587, 4806,
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5035, 5275, 5525, 5786, 6056, 6335, 6624, 6922, 7229, 7544,
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7868, 8200, 8540, 8887, 9242, 9603, 9971, 10346, 10726, 11113,
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11504, 11901, 12303, 12709, 13119, 13533, 13950, 14370, 14793, 15219,
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15646, 16076, 16506, 16938, 17370, 17802, 18235, 18667, 19098, 19528,
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19956, 20382, 20807, 21229, 21648, 22063, 22475, 22883, 23287, 23686,
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24081, 24470, 24853, 25231, 25602, 25967, 26325, 26676, 27019, 27355,
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27683, 28003, 28314, 28616, 28910, 29194, 29469, 29734, 29989, 30234,
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30469, 30693, 30907, 31109, 31301, 31481, 31650, 31808, 31954, 32088,
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32211, 32321, 32419, 32506, 32580, 32642, 32691, 32728, 32753, 32765,
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32765, 32753, 32728, 32691, 32642, 32580, 32506, 32419, 32321, 32211,
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32088, 31954, 31808, 31650, 31481, 31301, 31109, 30907, 30693, 30469,
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30234, 29989, 29734, 29469, 29194, 28910, 28616, 28314, 28003, 27683,
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27355, 27019, 26676, 26325, 25967, 25602, 25231, 24853, 24470, 24081,
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23686, 23287, 22883, 22475, 22063, 21648, 21229, 20807, 20382, 19956,
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19528, 19098, 18667, 18235, 17802, 17370, 16938, 16506, 16076, 15646,
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15219, 14793, 14370, 13950, 13533, 13119, 12709, 12303, 11901, 11504,
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11113, 10726, 10346, 9971, 9603, 9242, 8887, 8540, 8200, 7868,
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7544, 7229, 6922, 6624, 6335, 6056, 5786, 5525, 5275, 5035,
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4806, 4587, 4379, 4182, 3996, 3821, 3658, 3506, 3366, 3237,
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3121, 3017, 2924, 2844, 2776, 2721, 2677, 2646, 2628, 2621
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};
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short A0[11] = { 32767, 29491, 26542, 23887, 21499, 19349, 17414, 15672, 14105, 12694, 11425};
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short LSP0ROM[10] = {1638, 4915, 8192, 11468, 14745, 18022, 21299, 24576, 27852, 31129};
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short tabcos[292] =
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{ 32767, 32512, 32256, 32000, 31744, 31488, 31232, 30976, 30720, 30464,
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30208, 29952, 29696, 29440, 29184, 28928, 28672, 28416, 28160, 27904,
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27648, 27392, 27136, 26880, 26624, 26368, 26112, 25856, 25600, 25344,
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25088, 24832, 24576, 24320, 24064, 23808, 23552, 23296, 23040, 22784,
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22528, 22272, 22016, 21760, 21504, 21248, 20992, 20736, 20480, 20224,
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19968, 19712, 19456, 19200, 18944, 18688, 18432, 18176, 17920, 17664,
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17408, 17152, 16896, 16640, 16384, 16128, 15872, 15616, 15360, 15104,
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14848, 14592, 14336, 14080, 13824, 13568, 13312, 13056, 12800, 12544,
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12288, 12032, 11776, 11520, 11264, 11008, 10752, 10496, 10240, 9984,
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9728, 9472, 9216, 8960, 8704, 8448, 8192, 7936, 7680, 7424,
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7168, 6912, 6656, 6400, 6144, 5888, 5632, 5376, 5120, 4864,
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4608, 4352, 4096, 3840, 3584, 3328, 3072, 2816, 2560, 2304,
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2048, 1792, 1536, 1280, 1024, 768, 512, 256, 0, 0,
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1304, 1846, 2262, 2614, 2924, 3206, 3465, 3707, 3934, 4150,
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4355, 4552, 4741, 4923, 5100, 5271, 5437, 5598, 5755, 5909,
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6059, 6206, 6350, 6491, 6630, 6766, 6899, 7031, 7160, 7288,
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7414, 7538, 7660, 7781, 7900, 8018, 8135, 8250, 8364, 8477,
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8589, 8699, 8809, 8917, 9025, 9131, 9237, 9342, 9446, 9549,
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9651, 9753, 9854, 9954, 10053, 10152, 10251, 10348, 10445, 10542,
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10638, 10733, 10828, 10922, 11016, 11109, 11202, 11295, 11387, 11478,
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11570, 11660, 11751, 11841, 11931, 12020, 12109, 12198, 12286, 12374,
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12462, 12549, 12637, 12723, 12810, 12896, 12983, 13068, 13154, 13240,
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13325, 13410, 13495, 13579, 13664, 13748, 13832, 13916, 14000, 14083,
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14167, 14250, 14333, 14416, 14499, 14582, 14665, 14747, 14830, 14912,
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14994, 15076, 15158, 15240, 15322, 15404, 15486, 15568, 15650, 15731,
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15813, 15894, 15976, 16058, 16139, 16221, 16302, 16384, 32767, 32735,
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32703, 32671, 32639, 32607, 32575, 32543, 32511, 32479, 32447, 32415,
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32383, 32351, 32319, 32287, 32255, 8, 461, 652, 798, 922,
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1031, 1129, 1220, 1304, 1383, 1458, 1530, 1598, 1663, 1726,
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1787, 1846 };
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// First table for LSP quantification
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short LSP_Q[56] =
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{ 819, 1392, 1843, 2048, 2293, 2785, 3440, 4096, 3440, 3768,
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4096, 4423, 4792, 5242, 5775, 6348, 6963, 7782, 8601, 9420,
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10240, 11059, 11878, 12697, 8192, 8601, 9256, 9912, 10526, 11059,
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11714, 12369, 13025, 13680, 14336, 15155, 15974, 16793, 17612, 18432,
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14745, 15400, 16056, 17203, 18841, 20316, 22118, 23756, 22609, 23592,
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24576, 25395, 26214, 27115, 28098, 29081
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};
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short TAB_DI[38] =
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{ 1604, 3522, 5816, 8559, 11839, 15761, 20451, 26060, 32767,
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1825, 4057, 6787, 10125, 14207, 19199, 25303,
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3110, 7402, 13324, 21494, 32767,
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4057, 10125, 19199,
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3110, 7402, 13324, 21494, 32767,
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4057, 10125, 19199, 5816, 15761, 32767,
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10125, 10125, 32767
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};
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short GQ[17] = { 0, 37, 81, 132, 194, 266, 352, 454, 575,
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717, 887, 1087, 1324, 1606, 1939, 2333, 2800 };
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short GV[17] = { 0, 9, 58, 105, 162, 228, 307, 401, 512,
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643, 798, 983, 1201, 1459, 1765, 2127, 2557 };
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short BQ[11] = { 0, 328, 757, 1320, 2058, 3026, 4295, 5958,
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8139, 10998, 14746 };
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short BV[11] = { 0, 153, 528, 1020, 1664, 2509, 3617, 5070,
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6975, 9471, 12745 };
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short NBB[25] = {8,16,16,8,8,
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0,0,0,0,0,0,0,0,0,0,
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0,0,0,0,0,0,0,0,0,0};
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short BITDD[5] = {9,5,5,3,2};
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long coef_i[9] = { -626684736, 7274874, 1238819712, 7274874, -626684736,
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-4058, -23341, 1585, 10127 };
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// } ROM TABLES
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// -------------------------------------------------------------------------
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// RAM variables :
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// -------------------------------------------------------------------------
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// All in data structures.
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// ------------------------------------------------------------------------
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void InitializeROM(void)
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// Global initializations of ROM tables : should only be called once
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{
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// All data hardcoded. no initialization needed.
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return;
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}
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