?? qua_gain.h
字號:
/*
********************************************************************************
*
* GSM AMR-NB speech codec R98 Version 7.6.0 December 12, 2001
* R99 Version 3.3.0
* REL-4 Version 4.1.0
*
********************************************************************************
*
* File : qua_gain.tab
* Purpose : Tables for function Qua_gain()
* $Id $
*
********************************************************************************
*/
/* The tables contains the following data:
g_pitch (Q14),
g_fac (Q12), (g_code = g_code0*g_fac),
qua_ener_MR122 (Q10), (log2(g_fac))
qua_ener (Q10) (20*log10(g_fac))
The log2() and log10() values are calculated on the fixed point value
(g_fac Q12) and not on the original floating point value of g_fac
to make the quantizer/MA predictdor use corresponding values.
*/
/* table used in 'high' rates: MR67 MR74 */
#define VQ_SIZE_HIGHRATES 128
Word16 table_gain_highrates[VQ_SIZE_HIGHRATES*4] = {
/* Note: column 4 (qua_ener) contains the original values from IS641
to ensure bit-exactness; however, they are not exactly the
rounded value of (20*log10(g_fac)) */
/*g_pit, g_fac, qua_ener_MR122, qua_ener */
577, 662, -2692, -16214,
806, 1836, -1185, -7135,
3109, 1052, -2008, -12086,
4181, 1387, -1600, -9629,
2373, 1425, -1560, -9394,
3248, 1985, -1070, -6442,
1827, 2320, -840, -5056,
941, 3314, -313, -1885,
2351, 2977, -471, -2838,
3616, 2420, -777, -4681,
3451, 3096, -414, -2490,
2955, 4301, 72, 434,
1848, 4500, 139, 836,
3884, 5416, 413, 2484,
1187, 7210, 835, 5030,
3083, 9000, 1163, 7002,
7384, 883, -2267, -13647,
5962, 1506, -1478, -8900,
5155, 2134, -963, -5800,
7944, 2009, -1052, -6335,
6507, 2250, -885, -5327,
7670, 2752, -588, -3537,
5952, 3016, -452, -2724,
4898, 3764, -125, -751,
6989, 3588, -196, -1177,
8174, 3978, -43, -260,
6064, 4404, 107, 645,
7709, 5087, 320, 1928,
5523, 6021, 569, 3426,
7769, 7126, 818, 4926,
6060, 7938, 977, 5885,
5594, 11487, 1523, 9172,
10581, 1356, -1633, -9831,
9049, 1597, -1391, -8380,
9794, 2035, -1033, -6220,
8946, 2415, -780, -4700,
10296, 2584, -681, -4099,
9407, 2734, -597, -3595,
8700, 3218, -356, -2144,
9757, 3395, -277, -1669,
10177, 3892, -75, -454,
9170, 4528, 148, 891,
10152, 5004, 296, 1781,
9114, 5735, 497, 2993,
10500, 6266, 628, 3782,
10110, 7631, 919, 5534,
8844, 8727, 1117, 6728,
8956, 12496, 1648, 9921,
12924, 976, -2119, -12753,
11435, 1755, -1252, -7539,
12138, 2328, -835, -5024,
11388, 2368, -810, -4872,
10700, 3064, -429, -2580,
12332, 2861, -530, -3192,
11722, 3327, -307, -1848,
11270, 3700, -150, -904,
10861, 4413, 110, 663,
12082, 4533, 150, 902,
11283, 5205, 354, 2132,
11960, 6305, 637, 3837,
11167, 7534, 900, 5420,
12128, 8329, 1049, 6312,
10969, 10777, 1429, 8604,
10300, 17376, 2135, 12853,
13899, 1681, -1316, -7921,
12580, 2045, -1026, -6179,
13265, 2439, -766, -4610,
14033, 2989, -465, -2802,
13452, 3098, -413, -2482,
12396, 3658, -167, -1006,
13510, 3780, -119, -713,
12880, 4272, 62, 374,
13533, 4861, 253, 1523,
12667, 5457, 424, 2552,
13854, 6106, 590, 3551,
13031, 6483, 678, 4084,
13557, 7721, 937, 5639,
12957, 9311, 1213, 7304,
13714, 11551, 1532, 9221,
12591, 15206, 1938, 11667,
15113, 1540, -1445, -8700,
15072, 2333, -832, -5007,
14527, 2511, -723, -4352,
14692, 3199, -365, -2197,
15382, 3560, -207, -1247,
14133, 3960, -50, -300,
15102, 4236, 50, 298,
14332, 4824, 242, 1454,
14846, 5451, 422, 2542,
15306, 6083, 584, 3518,
14329, 6888, 768, 4623,
15060, 7689, 930, 5602,
14406, 9426, 1231, 7413,
15387, 9741, 1280, 7706,
14824, 14271, 1844, 11102,
13600, 24939, 2669, 16067,
16396, 1969, -1082, -6517,
16817, 2832, -545, -3283,
15713, 2843, -539, -3248,
16104, 3336, -303, -1825,
16384, 3963, -49, -294,
16940, 4579, 165, 992,
15711, 4599, 171, 1030,
16222, 5448, 421, 2537,
16832, 6382, 655, 3945,
15745, 7141, 821, 4944,
16326, 7469, 888, 5343,
16611, 8624, 1100, 6622,
17028, 10418, 1379, 8303,
15905, 11817, 1565, 9423,
16878, 14690, 1887, 11360,
16515, 20870, 2406, 14483,
18142, 2083, -999, -6013,
19401, 3178, -375, -2257,
17508, 3426, -264, -1589,
20054, 4027, -25, -151,
18069, 4249, 54, 326,
18952, 5066, 314, 1890,
17711, 5402, 409, 2461,
19835, 6192, 610, 3676,
17950, 7014, 795, 4784,
21318, 7877, 966, 5816,
17910, 9289, 1210, 7283,
19144, 9290, 1210, 7284,
20517, 11381, 1510, 9089,
18075, 14485, 1866, 11234,
19999, 17882, 2177, 13108,
18842, 32764, 3072, 18494
};
/* table used in 'low' rates: MR475, MR515, MR59 */
#define VQ_SIZE_LOWRATES 64
Word16 table_gain_lowrates[VQ_SIZE_LOWRATES*4] = {
/*g_pit, g_fac, qua_ener_MR122, qua_ener */
10813, 28753, 2879, 17333,
20480, 2785, -570, -3431,
18841, 6594, 703, 4235,
6225, 7413, 876, 5276,
17203, 10444, 1383, 8325,
21626, 1269, -1731, -10422,
21135, 4423, 113, 683,
11304, 1556, -1430, -8609,
19005, 12820, 1686, 10148,
17367, 2498, -731, -4398,
17858, 4833, 244, 1472,
9994, 2498, -731, -4398,
17530, 7864, 964, 5802,
14254, 1884, -1147, -6907,
15892, 3153, -387, -2327,
6717, 1802, -1213, -7303,
18186, 20193, 2357, 14189,
18022, 3031, -445, -2678,
16711, 5857, 528, 3181,
8847, 4014, -30, -180,
15892, 8970, 1158, 6972,
18022, 1392, -1594, -9599,
16711, 4096, 0, 0,
8192, 655, -2708, -16305,
15237, 13926, 1808, 10884,
14254, 3112, -406, -2444,
14090, 4669, 193, 1165,
5406, 2703, -614, -3697,
13434, 6553, 694, 4180,
12451, 901, -2237, -13468,
12451, 2662, -637, -3833,
3768, 655, -2708, -16305,
14745, 23511, 2582, 15543,
19169, 2457, -755, -4546,
20152, 5079, 318, 1913,
6881, 4096, 0, 0,
20480, 8560, 1089, 6556,
19660, 737, -2534, -15255,
19005, 4259, 58, 347,
7864, 2088, -995, -5993,
11468, 12288, 1623, 9771,
15892, 1474, -1510, -9090,
15728, 4628, 180, 1086,
9175, 1433, -1552, -9341,
16056, 7004, 793, 4772,
14827, 737, -2534, -15255,
15073, 2252, -884, -5321,
5079, 1228, -1780, -10714,
13271, 17326, 2131, 12827,
16547, 2334, -831, -5002,
15073, 5816, 518, 3118,
3932, 3686, -156, -938,
14254, 8601, 1096, 6598,
16875, 778, -2454, -14774,
15073, 3809, -107, -646,
6062, 614, -2804, -16879,
9338, 9256, 1204, 7251,
13271, 1761, -1247, -7508,
13271, 3522, -223, -1343,
2457, 1966, -1084, -6529,
11468, 5529, 443, 2668,
10485, 737, -2534, -15255,
11632, 3194, -367, -2212,
1474, 778, -2454, -14774
};
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