📄 baseunit.c
字号:
** Table Structure:
** 8 bit, 256 entry table.
*/
Word16 Band2Tb8[LspCbSize*4] = {
0, 0, 0, 0,
601, 512, -542, 334,
428, 1087, -484, -132,
652, 622, -391, -572,
378, 799, 141, -860,
1040, 409, 112, -554,
1123, 670, -75, -847,
1421, 494, -315, -1095,
787, 1001, 114, -460,
988, 1672, 216, -681,
1007, 1241, -132, -1247,
1073, 399, 186, -5,
1262, 193, -694, -129,
325, 196, 51, -641,
861, -59, 350, -458,
1261, 567, 586, -346,
1532, 885, 210, -517,
2027, 937, 113, -792,
1383, 1064, 334, 38,
1964, 1468, 459, 133,
2062, 1186, -98, -121,
2577, 1445, 506, -373,
2310, 1682, -2, -960,
2876, 1939, 765, 138,
3581, 2360, 649, -414,
219, 176, -398, -309,
434, -78, -435, -880,
-344, 301, 265, -552,
-915, 470, 657, -380,
419, -432, -163, -453,
351, -953, 8, -562,
789, -43, 20, -958,
302, -594, -352, -1159,
1040, 108, -668, -924,
1333, 210, -1217, -1663,
483, 589, -350, -1140,
1003, 824, -802, -1184,
745, 58, -589, -1443,
346, 247, -915, -1683,
270, 796, -720, -2043,
1208, 722, -222, -193,
1486, 1180, -412, -672,
1722, 179, -69, -521,
2047, 860, -666, -1410,
-146, 222, -281, -805,
-189, 90, -114, -1307,
-152, 1086, -241, -764,
-439, 733, -601, -1302,
-833, -167, -351, -601,
-856, -422, -411, -1059,
-747, -355, -582, -1644,
-837, 210, -916, -1144,
-1800, 32, -878, -1687,
-48, -23, -1146, 52,
-350, -409, -1656, -364,
265, -728, -858, -577,
458, -247, -1141, -997,
691, -407, -1988, -1161,
-66, -104, -705, -1249,
-431, -93, -1191, -1844,
203, -732, -1000, -1693,
10, -832, -1846, -1819,
493, -128, -1436, -1768,
488, -311, -1730, -2540,
-653, -532, -1150, -1172,
-1086, -289, -1706, -1533,
-699, -1205, -1216, -1766,
-1032, -1481, -2074, -1523,
-721, -1220, -2277, -2600,
12, -539, -1484, -1131,
-40, -911, -2106, -441,
-471, -484, -2267, -1549,
-141, -988, -3006, -1721,
-1545, -2102, -583, 342,
-1383, -2772, -386, -13,
-2118, -2589, -1205, 72,
-2147, -3231, -965, 390,
-2949, -3300, -621, 637,
-3907, -4138, -865, 803,
-1287, -845, -375, -548,
-1416, -1169, -487, -1277,
-1400, -1690, -1027, -418,
-2018, -1909, -1188, -1260,
-1418, -2222, -2029, -128,
-2067, -2998, -2693, -310,
-950, -1028, -1538, 185,
-1616, -915, -2205, -549,
19, -821, -1145, 352,
184, -1175, -1356, -627,
-547, -1088, -1661, -911,
-216, -1502, -2197, -948,
-795, -1306, -2374, -451,
-924, -1889, -2796, -680,
-600, -1614, -3609, -885,
-2392, -2528, 319, 303,
-2908, -2095, -310, 573,
-3460, -2141, 49, -113,
-2231, -448, 675, -146,
-2805, -532, 1231, 479,
-2684, -486, -200, 611,
-3525, -971, -198, 704,
-3707, 173, 349, 254,
-4734, -1447, -34, 880,
777, -512, 114, -10,
1250, -66, 442, -5,
604, 613, 452, -352,
1224, 777, 675, -1014,
-1372, -79, -1208, -238,
-2389, -17, -1157, -818,
-1504, -673, -1133, -1060,
-1984, -799, -2005, -1973,
-2037, -798, -1068, -105,
-3190, -899, -1817, -194,
-156, -886, 394, -318,
-258, -1283, 551, 202,
-536, -1729, 910, 331,
-847, -1109, 795, -163,
-1171, -1128, 715, 519,
-1080, -1319, 1685, 668,
-1000, -1921, 96, 211,
-1487, -2148, 831, 174,
-1139, -374, 414, -4,
-1517, -1383, 396, -352,
-1012, 439, -59, -967,
-1812, 706, -440, -1030,
-1971, -329, -34, -827,
-2472, -1588, -151, -606,
-2161, 374, -281, 76,
-3012, 231, -15, -690,
1104, 566, 721, 209,
1685, 564, 383, 98,
1898, 750, 792, -97,
556, -64, 561, -93,
876, 162, 913, -22,
961, 675, 1296, 140,
756, -396, 851, 544,
360, -303, 1341, 396,
878, -22, 1464, 863,
-309, -273, 642, -129,
-686, -82, 842, 454,
-5, -47, 1069, 998,
-94, 967, 1277, 298,
-489, 385, 1473, 746,
-369, -717, 1333, 242,
281, -993, 1726, 924,
464, 601, 1575, 1376,
-250, 206, 2339, 1175,
-438, 377, -597, -285,
-1020, 787, -790, -287,
-458, -410, 215, 295,
-589, -860, -121, 797,
-1175, 122, -437, 466,
-1480, -121, 367, 924,
234, 323, 770, -555,
145, 30, 996, 26,
66, 849, 93, -145,
-117, 1261, 474, -399,
-1495, 1051, 218, -506,
-1390, 694, 994, 88,
616, 7, 78, 304,
1060, 52, -62, 835,
833, 454, 649, 1359,
-770, 464, 47, 93,
-574, 1199, -39, 379,
114, -98, 488, 485,
727, 244, 606, 696,
-76, 455, 671, 546,
-565, -13, 145, 819,
-376, 569, 448, 1128,
218, 122, 265, 1167,
230, 738, 932, 1003,
138, 477, 36, 450,
404, 787, -73, 1000,
497, 1259, 387, 1231,
17, 207, 195, -79,
562, 358, 53, -158,
493, 387, 478, 189,
678, 831, 640, 558,
-197, 523, 613, 57,
429, 894, 769, 111,
67, 1174, 568, 511,
1242, 824, 251, 840,
1419, 1074, 864, 481,
924, 1474, 669, 724,
1539, 1879, 654, 1590,
445, 337, 1111, 541,
472, 1421, 1264, 1094,
794, 735, 1103, 668,
1055, 863, 1192, 1020,
778, 1105, 806, 1798,
1052, 1527, 1587, 2151,
881, 1552, 1265, 391,
726, 872, 1812, 601,
1469, 280, 1008, 616,
1403, 577, 1803, 1244,
1650, 1314, 1148, 1072,
1297, 1669, 1911, 1026,
2093, 1044, 2115, 1189,
1644, 1961, 2587, 1512,
25, -315, -9, -106,
290, -339, 428, -444,
-68, -783, 735, 772,
245, -555, 468, 47,
334, -895, 814, 146,
235, 368, -964, -959,
-203, 315, -1566, -1217,
801, 17, -276, -354,
894, -495, -789, -635,
716, 291, -1189, -357,
560, -260, -733, -2,
679, -508, -1429, 211,
-51, -62, -428, 557,
322, -638, -211, 614,
-878, -1057, -84, -71,
-388, -1415, -167, -318,
-754, -1574, 214, -539,
-1419, -2004, -92, -787,
-47, -856, -347, -255,
23, -1211, -173, 320,
-658, -487, -893, 353,
-783, -1587, -584, 507,
-1420, -859, -378, 441,
-2095, -1491, -137, 439,
-321, -1450, -1288, -12,
-359, -2113, -553, -8,
-831, -1918, -1561, 32,
-1014, -2487, -1359, -939,
-475, -311, -169, -236,
-907, -426, 276, -611,
-96, -400, 50, -710,
-426, -1022, -10, -985,
-197, -258, -744, -575,
-611, -930, -771, -394,
-267, -776, -612, -939,
-256, -1346, -802, -1122,
-796, -1570, -825, -754,
712, 876, 141, 227,
981, 1509, 85, 124,
1462, 1228, 979, -39,
1734, 999, 1481, 440,
2293, 1116, 769, 440,
2504, 1480, 1241, 356,
2474, 1909, 1558, 810,
917, 1134, 607, -134,
509, 1809, 781, -123,
1712, 1506, 559, -423,
2037, 2317, 726, -155,
3031, 2676, 1203, 331,
3664, 3274, 1768, 531,
1610, 1839, 867, 183,
1774, 1972, 1538, 97,
1822, 2158, 1282, 659,
2222, 2758, 1818, 900,
3251, 2124, 1723, 996,
3633, 2336, 2408, 1453,
2923, 3517, 2567, 1318,
} ;
/*
** BandQntTable:
**
** Purpose:
** collects the three subvector tables.
*/
Word16 *BandQntTable[LspQntBands] = {
Band0Tb8 ,
Band1Tb8 ,
Band2Tb8 ,
} ;
/*
** PerFiltZeroTable:
**
** Purpose:
** Creates the FIR part of the formant perceptual weighting filter.
** Corresponds to gamma1 in section 2.8.
**
** Table Structure:
** (0.9) to the x power, where x = [1,..,10]
** These values are scaled by 32768.
*/
Word16 PerFiltZeroTable[LpcOrder] = {
29491 ,
26542 ,
23888 ,
21499 ,
19349 ,
17414 ,
15673 ,
14106 ,
12695 ,
11425 ,
} ;
/*
** PerFiltPoleTable:
**
** Purpose:
** Creates the IIR part of the formant perceptual weighting filter.
** Corresponds to gamma2 in section 2.8.
**
** Table Structure:
** (0.5) to the x power, where x = [1,..,10]
** These values are scaled by 32768
*/
Word16 PerFiltPoleTable[LpcOrder] = {
16384 ,
8192 ,
4096 ,
2048 ,
1024 ,
512 ,
256 ,
128 ,
64 ,
32 ,
} ;
/*
** PostFiltZeroTable:
**
** Purpose:
** Creates the FIR part of the formant postfilter. Corresponds to
** lambda1 in section 3.8.
**
** Table Structure:
** (0.65) to the x power, where x = [1,..,10]
** These values are scaled by 32768
*/
Word16 PostFiltZeroTable[LpcOrder] = {
21299 ,
13844 ,
8999 ,
5849 ,
3802 ,
2471 ,
1606 ,
1044 ,
679 ,
441 ,
} ;
/*
** PostFiltPoleTable:
**
** Purpose:
** Creates the IIR part of the formant postfilter. Corresponds to
** lambda2 in section 3.8.
**
** Table Structure:
** (0.75) to the x power, where x = [1,..,10]
** These values are scaled by 32768
*/
Word16 PostFiltPoleTable[LpcOrder] = {
24576 ,
18432 ,
13824 ,
10368 ,
7776 ,
5832 ,
4374 ,
3281 ,
2460 ,
1845 ,
} ;
/*
** Nb_puls:
**
** Purpose:
** Indexing
**
** Table Structure:
** Table values are the number of non-zero pulses in the high-rate
** excitation (MP-MLQ), indexed by subframe number (0,..,3).
*/
Word16 Nb_puls[4] = { 6,5,6,5};
/*
** FcbkGainTable:
**
** Purpose:
** Logarithmic scalar quantizer in 24 steps of 3.2 dB each
**
** Table Structure:
** Contains x where 20*log10(x) = 3.2*i, i = 1,..,24
*/
Word16 FcbkGainTable[NumOfGainLev] = {
1 ,
2 ,
3 ,
4 ,
6 ,
9 ,
13 ,
18 ,
26 ,
38 ,
55 ,
80 ,
115 ,
166 ,
240 ,
348 ,
502 ,
726 ,
1050 ,
1517 ,
2193 ,
3170 ,
4582 ,
6623 ,
} ;
/*
** MaxPosTable:
**
** Purpose:
** size of the high rate fixed excitation codebooks (MP-MLQ)
**
** Table Structure:
** Table values are the number of codewords in the high rate fixed
** excitation codebook (MP-MLQ), indexed by subframe number (0,..,3).
** MaxPosTable[i] is the number of combinations of i elements among 30
** non-zero pulses in the high-rate
*/
Word32 MaxPosTable[4] = {
0x00090f6fL ,
0x00022caaL ,
0x00090f6fL ,
0x00022caaL ,
} ;
/*
** CombinatorialTable:
**
** Purpose:
** used for the coding and the decoding of the pulses positions
** for the high-rate fixed excitation codebook
**
** Table Structure:
** CombinatorialTable[i][j] is the number of combinations of
** (MaxPulsNum-1-i) elements among (SubFrLen-2-j)
*/
Word32 CombinatorialTable[MaxPulseNum][SubFrLen/Sgrid] = {
{ 118755L ,
98280L ,
80730L ,
65780L ,
53130L ,
42504L ,
33649L ,
26334 ,
20349 ,
15504 ,
11628 ,
8568 ,
6188 ,
4368 ,
3003 ,
2002 ,
1287 ,
792 ,
462 ,
252 ,
126 ,
56 ,
21 ,
6 ,
1 ,
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