quanjuvalue.m

G.729编解码源程序

function QuanJuValue(speech)

%定义全局变量
global L1 L2 L3 L0 MA1 MA2 lspcb1 lspcb2 lspcb3 q_old rcAR1 rcAR2;
global b12 b30;
global T1 fraction1 T2 fraction2;
global Tr0 Tr1 Tr2 Tr3 Tr4;%Track 0-4
global beta;%存放前一帧量化的自适应增益，用于p(z)
global U;%预测误差量化值
global MA;%预测增益MA系数
global GA GB;%共轭结构码书
global Filterstate;%Fs用于计算闭环基音搜索目标信号状态更新
global Un;%存放激励u(n)(-1:-143)，用于闭环基音延时搜索
global x1 x2 y1 y2;%预处理滤波器的初时状态
global freq_prev;%用于li更新(4*10)
global mem;%用于内存更新，存放合成滤波器y(-1:-10)
%global old_wsp;%(-143:0)过去感知加权语音，用于开环基音时延搜索


%L1－－－第一级码书的下标
%L2－－－第二级码书的下标（低维）
%L3－－－第二级码书的下标（高维）
%MA1－－－第一组MA模型参数
%MA2－－－第二组MA模型参数
%lspcb1－码书L1
%lspcb2－码书L2
%lspcb3－码书L3
%b12 sinc内插系数
%b30 sinc内插系数


%码书－－－－－－－－－－－－－－－－
MA1=[ 8421,  9109,  9175,  8965,  9034,  9057,  8765,  8775,  9106,  8673 ,
      7018,  7189,  7638,  7307,  7444,  7379,  7038,  6956,  6930,  6868 ,
      5472,  4990,  5134,  5177,  5246,  5141,  5206,  5095,  4830,  5147 ,
      4056,  3031,  2614,  3024,  2916,  2713,  3309,  3237,  2857,  3473 
];
MA1=MA1/2^15;
MA1=MA1';

MA2=[  7733,  7880,  8188,  8175,  8247,  8490,  8637,  8601,  8359,  7569 ,
      4210,  3031,  2552,  3473,  3876,  3853,  4184,  4154,  3909,  3968 ,
      3214,  1930,  1313,  2143,  2493,  2385,  2755,  2706,  2542,  2919 ,
      3024,  1592,   940,  1631,  1723,  1579,  2034,  2084,  1913,  2601  
];
MA2=MA2/2^15;
MA2=MA2';

lspcb1=[1486,  2168,  3751,  9074, 12134, 13944, 17983, 19173, 21190, 21820 ,
  1730,  2640,  3450,  4870,  6126,  7876, 15644, 17817, 20294, 21902 ,
  1568,  2256,  3088,  4874, 11063, 13393, 18307, 19293, 21109, 21741 ,
  1733,  2512,  3357,  4708,  6977, 10296, 17024, 17956, 19145, 20350 ,
  1744,  2436,  3308,  8731, 10432, 12007, 15614, 16639, 21359, 21913 ,
  1786,  2369,  3372,  4521,  6795, 12963, 17674, 18988, 20855, 21640 ,
  1631,  2433,  3361,  6328, 10709, 12013, 13277, 13904, 19441, 21088 ,
  1489,  2364,  3291,  6250,  9227, 10403, 13843, 15278, 17721, 21451 ,
  1869,  2533,  3475,  4365,  9152, 14513, 15908, 17022, 20611, 21411 ,
  2070,  3025,  4333,  5854,  7805,  9231, 10597, 16047, 20109, 21834 ,
  1910,  2673,  3419,  4261, 11168, 15111, 16577, 17591, 19310, 20265 ,
  1141,  1815,  2624,  4623,  6495,  9588, 13968, 16428, 19351, 21286 ,
  2192,  3171,  4707,  5808, 10904, 12500, 14162, 15664, 21124, 21789 ,
  1286,  1907,  2548,  3453,  9574, 11964, 15978, 17344, 19691, 22495 ,
  1921,  2720,  4604,  6684, 11503, 12992, 14350, 15262, 16997, 20791 ,
  2052,  2759,  3897,  5246,  6638, 10267, 15834, 16814, 18149, 21675 ,
  1798,  2497,  5617, 11449, 13189, 14711, 17050, 18195, 20307, 21182 ,
  1009,  1647,  2889,  5709,  9541, 12354, 15231, 18494, 20966, 22033 ,
  3016,  3794,  5406,  7469, 12488, 13984, 15328, 16334, 19952, 20791 ,
  2203,  3040,  3796,  5442, 11987, 13512, 14931, 16370, 17856, 18803 ,
  2912,  4292,  7988,  9572, 11562, 13244, 14556, 16529, 20004, 21073 ,
  2861,  3607,  5923,  7034,  9234, 12054, 13729, 18056, 20262, 20974 ,
  3069,  4311,  5967,  7367, 11482, 12699, 14309, 16233, 18333, 19172 ,
  2434,  3661,  4866,  5798, 10383, 11722, 13049, 15668, 18862, 19831 ,
  2020,  2605,  3860,  9241, 13275, 14644, 16010, 17099, 19268, 20251 ,
  1877,  2809,  3590,  4707, 11056, 12441, 15622, 17168, 18761, 19907 ,
  2107,  2873,  3673,  5799, 13579, 14687, 15938, 17077, 18890, 19831 ,
  1612,  2284,  2944,  3572,  8219, 13959, 15924, 17239, 18592, 20117 ,
  2420,  3156,  6542, 10215, 12061, 13534, 15305, 16452, 18717, 19880 ,
  1667,  2612,  3534,  5237, 10513, 11696, 12940, 16798, 18058, 19378 ,
  2388,  3017,  4839,  9333, 11413, 12730, 15024, 16248, 17449, 18677 ,
  1875,  2786,  4231,  6320,  8694, 10149, 11785, 17013, 18608, 19960 ,
   679,  1411,  4654,  8006, 11446, 13249, 15763, 18127, 20361, 21567 ,
  1838,  2596,  3578,  4608,  5650, 11274, 14355, 15886, 20579, 21754 ,
  1303,  1955,  2395,  3322, 12023, 13764, 15883, 18077, 20180, 21232 ,
  1438,  2102,  2663,  3462,  8328, 10362, 13763, 17248, 19732, 22344 ,
   860,  1904,  6098,  7775,  9815, 12007, 14821, 16709, 19787, 21132 ,
  1673,  2723,  3704,  6125,  7668,  9447, 13683, 14443, 20538, 21731 ,
  1246,  1849,  2902,  4508,  7221, 12710, 14835, 16314, 19335, 22720 ,
  1525,  2260,  3862,  5659,  7342, 11748, 13370, 14442, 18044, 21334 ,
  1196,  1846,  3104,  7063, 10972, 12905, 14814, 17037, 19922, 22636 ,
  2147,  3106,  4475,  6511,  8227,  9765, 10984, 12161, 18971, 21300 ,
  1585,  2405,  2994,  4036, 11481, 13177, 14519, 15431, 19967, 21275 ,
  1778,  2688,  3614,  4680,  9465, 11064, 12473, 16320, 19742, 20800 ,
  1862,  2586,  3492,  6719, 11708, 13012, 14364, 16128, 19610, 20425 ,
  1395,  2156,  2669,  3386, 10607, 12125, 13614, 16705, 18976, 21367 ,
  1444,  2117,  3286,  6233,  9423, 12981, 14998, 15853, 17188, 21857 ,
  2004,  2895,  3783,  4897,  6168,  7297, 12609, 16445, 19297, 21465 ,
  1495,  2863,  6360,  8100, 11399, 14271, 15902, 17711, 20479, 22061 ,
  2484,  3114,  5718,  7097,  8400, 12616, 14073, 14847, 20535, 21396 ,
  2424,  3277,  5296,  6284, 11290, 12903, 16022, 17508, 19333, 20283 ,
  2565,  3778,  5360,  6989,  8782, 10428, 14390, 15742, 17770, 21734 ,
  2727,  3384,  6613,  9254, 10542, 12236, 14651, 15687, 20074, 21102 ,
  1916,  2953,  6274,  8088,  9710, 10925, 12392, 16434, 20010, 21183 ,
  3384,  4366,  5349,  7667, 11180, 12605, 13921, 15324, 19901, 20754 ,
  3075,  4283,  5951,  7619,  9604, 11010, 12384, 14006, 20658, 21497 ,
  1751,  2455,  5147,  9966, 11621, 13176, 14739, 16470, 20788, 21756 ,
  1442,  2188,  3330,  6813,  8929, 12135, 14476, 15306, 19635, 20544 ,
  2294,  2895,  4070,  8035, 12233, 13416, 14762, 17367, 18952, 19688 ,
  1937,  2659,  4602,  6697,  9071, 12863, 14197, 15230, 16047, 18877 ,
  2071,  2663,  4216,  9445, 10887, 12292, 13949, 14909, 19236, 20341 ,
  1740,  2491,  3488,  8138,  9656, 11153, 13206, 14688, 20896, 21907 ,
  2199,  2881,  4675,  8527, 10051, 11408, 14435, 15463, 17190, 20597 ,
  1943,  2988,  4177,  6039,  7478,  8536, 14181, 15551, 17622, 21579 ,
  1825,  3175,  7062,  9818, 12824, 15450, 18330, 19856, 21830, 22412 ,
  2464,  3046,  4822,  5977,  7696, 15398, 16730, 17646, 20588, 21320 ,
  2550,  3393,  5305,  6920, 10235, 14083, 18143, 19195, 20681, 21336 ,
  3003,  3799,  5321,  6437,  7919, 11643, 15810, 16846, 18119, 18980 ,
  3455,  4157,  6838,  8199,  9877, 12314, 15905, 16826, 19949, 20892 ,
  3052,  3769,  4891,  5810,  6977, 10126, 14788, 15990, 19773, 20904 ,
  3671,  4356,  5827,  6997,  8460, 12084, 14154, 14939, 19247, 20423 ,
  2716,  3684,  5246,  6686,  8463, 10001, 12394, 14131, 16150, 19776 ,
  1945,  2638,  4130,  7995, 14338, 15576, 17057, 18206, 20225, 20997 ,
  2304,  2928,  4122,  4824,  5640, 13139, 15825, 16938, 20108, 21054 ,
  1800,  2516,  3350,  5219, 13406, 15948, 17618, 18540, 20531, 21252 ,
  1436,  2224,  2753,  4546,  9657, 11245, 15177, 16317, 17489, 19135 ,
  2319,  2899,  4980,  6936,  8404, 13489, 15554, 16281, 20270, 20911 ,
  2187,  2919,  4610,  5875,  7390, 12556, 14033, 16794, 20998, 21769 ,
  2235,  2923,  5121,  6259,  8099, 13589, 15340, 16340, 17927, 20159 ,
  1765,  2638,  3751,  5730,  7883, 10108, 13633, 15419, 16808, 18574 ,
  3460,  5741,  9596, 11742, 14413, 16080, 18173, 19090, 20845, 21601 ,
  3735,  4426,  6199,  7363,  9250, 14489, 16035, 17026, 19873, 20876 ,
  3521,  4778,  6887,  8680, 12717, 14322, 15950, 18050, 20166, 21145 ,
  2141,  2968,  6865,  8051, 10010, 13159, 14813, 15861, 17528, 18655 ,
  4148,  6128,  9028, 10871, 12686, 14005, 15976, 17208, 19587, 20595 ,
  4403,  5367,  6634,  8371, 10163, 11599, 14963, 16331, 17982, 18768 ,
  4091,  5386,  6852,  8770, 11563, 13290, 15728, 16930, 19056, 20102 ,
  2746,  3625,  5299,  7504, 10262, 11432, 13172, 15490, 16875, 17514 ,
  2248,  3556,  8539, 10590, 12665, 14696, 16515, 17824, 20268, 21247 ,
  1279,  1960,  3920,  7793, 10153, 14753, 16646, 18139, 20679, 21466 ,
  2440,  3475,  6737,  8654, 12190, 14588, 17119, 17925, 19110, 19979 ,
  1879,  2514,  4497,  7572, 10017, 14948, 16141, 16897, 18397, 19376 ,
  2804,  3688,  7490, 10086, 11218, 12711, 16307, 17470, 20077, 21126 ,
  2023,  2682,  3873,  8268, 10255, 11645, 15187, 17102, 18965, 19788 ,
  2823,  3605,  5815,  8595, 10085, 11469, 16568, 17462, 18754, 19876 ,
  2851,  3681,  5280,  7648,  9173, 10338, 14961, 16148, 17559, 18474 ,
  1348,  2645,  5826,  8785, 10620, 12831, 16255, 18319, 21133, 22586 ,
  2141,  3036,  4293,  6082,  7593, 10629, 17158, 18033, 21466, 22084 ,
  1608,  2375,  3384,  6878,  9970, 11227, 16928, 17650, 20185, 21120 ,
  2774,  3616,  5014,  6557,  7788,  8959, 17068, 18302, 19537, 20542 ,
  1934,  4813,  6204,  7212,  8979, 11665, 15989, 17811, 20426, 21703 ,