tab_ld8a.c

g729a 语音编码,再linux c 环境下实现,有非常的好的移植性,通话质量好

(F)2.0733,
(F)2.1880,
(F)2.2504},

{(F)0.1709,
(F)0.4486,
(F)0.8705,
(F)1.0643,
(F)1.3047,
(F)1.5269,
(F)1.9175,
(F)2.1621,
(F)2.4073,
(F)2.5718},

{(F)0.2835,
(F)0.3752,
(F)0.5234,
(F)0.9898,
(F)1.1484,
(F)1.2974,
(F)1.9363,
(F)2.0378,
(F)2.4065,
(F)2.6214},

{(F)0.3211,
(F)0.4077,
(F)0.5809,
(F)1.0206,
(F)1.2542,
(F)1.3835,
(F)1.5723,
(F)2.1209,
(F)2.3464,
(F)2.4336},

{(F)0.2101,
(F)0.3146,
(F)0.6779,
(F)0.8783,
(F)1.0561,
(F)1.3045,
(F)1.8395,
(F)2.0695,
(F)2.2831,
(F)2.4328}
};

FLOAT lspcb2[NC1][M] = {
{(F)-0.0532,
(F)-0.0995,
(F)-0.0906,
(F)0.1261,
(F)-0.0633,
(F)0.0711,
(F)-0.1467,
(F)0.1012,
(F)0.0106,
(F)0.0470},

{(F)-0.1017,
(F)-0.1088,
(F)0.0566,
(F)-0.0010,
(F)-0.1528,
(F)0.1771,
(F)0.0089,
(F)-0.0282,
(F)0.1055,
(F)0.0808},

{(F)-0.1247,
(F)0.0283,
(F)-0.0374,
(F)0.0393,
(F)-0.0269,
(F)-0.0200,
(F)-0.0643,
(F)-0.0921,
(F)-0.1994,
(F)0.0327},

{(F)0.0070,
(F)-0.0242,
(F)-0.0415,
(F)-0.0041,
(F)-0.1793,
(F)0.0700,
(F)0.0972,
(F)-0.0207,
(F)-0.0771,
(F)0.0997},

{(F)0.0209,
(F)-0.0428,
(F)0.0359,
(F)0.2027,
(F)0.0554,
(F)0.0634,
(F)0.0356,
(F)0.0195,
(F)-0.0782,
(F)-0.1583},

{(F)-0.0856,
(F)-0.1028,
(F)-0.0071,
(F)0.1160,
(F)0.1089,
(F)0.1892,
(F)0.0874,
(F)0.0644,
(F)-0.0872,
(F)-0.0236},

{(F)0.0713,
(F)0.0039,
(F)-0.0353,
(F)0.0435,
(F)-0.0407,
(F)-0.0558,
(F)0.0748,
(F)-0.0346,
(F)-0.1686,
(F)-0.0905},

{(F)-0.0134,
(F)-0.0987,
(F)0.0283,
(F)0.0095,
(F)-0.0107,
(F)-0.0420,
(F)0.1638,
(F)0.1328,
(F)-0.0799,
(F)-0.0695},

{(F)-0.1049,
(F)0.1510,
(F)0.0672,
(F)0.1043,
(F)0.0872,
(F)-0.0663,
(F)-0.2139,
(F)-0.0239,
(F)-0.0120,
(F)-0.0338},

{(F)-0.1071,
(F)-0.1165,
(F)-0.1524,
(F)-0.0365,
(F)0.0260,
(F)-0.0288,
(F)-0.0889,
(F)0.1159,
(F)0.1852,
(F)0.1093},

{(F)-0.0094,
(F)0.0420,
(F)-0.0758,
(F)0.0932,
(F)0.0505,
(F)0.0614,
(F)-0.0443,
(F)-0.1172,
(F)-0.0590,
(F)0.1693},

{(F)-0.0384,
(F)-0.0375,
(F)-0.0313,
(F)-0.1539,
(F)-0.0524,
(F)0.0550,
(F)-0.0569,
(F)-0.0133,
(F)0.1233,
(F)0.2714},

{(F)0.0869,
(F)0.0847,
(F)0.0637,
(F)0.0794,
(F)0.1594,
(F)-0.0035,
(F)-0.0462,
(F)0.0909,
(F)-0.1227,
(F)0.0294},

{(F)-0.0137,
(F)-0.0332,
(F)-0.0611,
(F)0.1156,
(F)0.2116,
(F)0.0332,
(F)-0.0019,
(F)0.1110,
(F)-0.0317,
(F)0.2061},

{(F)0.0703,
(F)-0.0013,
(F)-0.0572,
(F)-0.0243,
(F)0.1345,
(F)-0.1235,
(F)0.0710,
(F)-0.0065,
(F)-0.0912,
(F)0.1072},

{(F)0.0178,
(F)-0.0349,
(F)-0.1563,
(F)-0.0487,
(F)0.0044,
(F)-0.0609,
(F)-0.1682,
(F)0.0023,
(F)-0.0542,
(F)0.1811},

{(F)-0.1384,
(F)-0.1020,
(F)0.1649,
(F)0.1568,
(F)-0.0116,
(F)0.1240,
(F)-0.0271,
(F)0.0541,
(F)0.0455,
(F)-0.0433},

{(F)-0.1782,
(F)-0.1511,
(F)0.0509,
(F)-0.0261,
(F)0.0570,
(F)0.0817,
(F)0.0805,
(F)0.2003,
(F)0.1138,
(F)0.0653},

{(F)-0.0019,
(F)0.0081,
(F)0.0572,
(F)0.1245,
(F)-0.0914,
(F)0.1691,
(F)-0.0223,
(F)-0.1108,
(F)-0.0881,
(F)-0.0320},

{(F)-0.0413,
(F)0.0181,
(F)0.1764,
(F)0.0092,
(F)-0.0928,
(F)0.0695,
(F)0.1523,
(F)0.0412,
(F)0.0508,
(F)-0.0148},

{(F)0.0476,
(F)0.0292,
(F)0.1915,
(F)0.1198,
(F)0.0139,
(F)0.0451,
(F)-0.1225,
(F)-0.0619,
(F)-0.0717,
(F)-0.1104},

{(F)-0.0382,
(F)-0.0120,
(F)0.1159,
(F)0.0039,
(F)0.1348,
(F)0.0088,
(F)-0.0173,
(F)0.1789,
(F)0.0078,
(F)-0.0959},

{(F)0.1376,
(F)0.0713,
(F)0.1020,
(F)0.0339,
(F)-0.1415,
(F)0.0254,
(F)0.0368,
(F)-0.1077,
(F)0.0143,
(F)-0.0494},

{(F)0.0658,
(F)-0.0140,
(F)0.1046,
(F)-0.0603,
(F)0.0273,
(F)-0.1114,
(F)0.0761,
(F)-0.0093,
(F)0.0338,
(F)-0.0538},

{(F)0.2683,
(F)0.2853,
(F)0.1549,
(F)0.0819,
(F)0.0372,
(F)-0.0327,
(F)-0.0642,
(F)0.0172,
(F)0.1077,
(F)-0.0170},

{(F)-0.1949,
(F)0.0672,
(F)0.0978,
(F)-0.0557,
(F)-0.0069,
(F)-0.0851,
(F)0.1057,
(F)0.1294,
(F)0.0505,
(F)0.0545},

{(F)0.1409,
(F)0.0724,
(F)-0.0094,
(F)0.1511,
(F)-0.0039,
(F)0.0710,
(F)-0.1266,
(F)-0.1093,
(F)0.0817,
(F)0.0363},

{(F)0.0485,
(F)0.0682,
(F)0.0248,
(F)-0.0974,
(F)-0.1122,
(F)0.0004,
(F)0.0845,
(F)-0.0357,
(F)0.1282,
(F)0.0955},

{(F)0.0408,
(F)0.1801,
(F)0.0772,
(F)-0.0098,
(F)0.0059,
(F)-0.1296,
(F)-0.0591,
(F)0.0443,
(F)-0.0729,
(F)-0.1041},

{(F)-0.0666,
(F)-0.0403,
(F)-0.0524,
(F)-0.0831,
(F)0.1384,
(F)-0.1443,
(F)-0.0909,
(F)0.1636,
(F)0.0320,
(F)0.0077},

{(F)0.1612,
(F)0.1010,
(F)-0.0486,
(F)-0.0704,
(F)0.0417,
(F)-0.0945,
(F)-0.0590,
(F)-0.1523,
(F)-0.0086,
(F)0.0120},

{(F)-0.0199,
(F)0.0823,
(F)-0.0014,
(F)-0.1082,
(F)0.0649,
(F)-0.1374,
(F)-0.0324,
(F)-0.0296,
(F)0.0885,
(F)0.1141}
};

FLOAT fg[2][MA_NP][M] = {
{{(F)0.2570,
(F)0.2780,
(F)0.2800,
(F)0.2736,
(F)0.2757,
(F)0.2764,
(F)0.2675,
(F)0.2678,
(F)0.2779,
(F)0.2647},

{(F)0.2142,
(F)0.2194,
(F)0.2331,
(F)0.2230,
(F)0.2272,
(F)0.2252,
(F)0.2148,
(F)0.2123,
(F)0.2115,
(F)0.2096},

{(F)0.1670,
(F)0.1523,
(F)0.1567,
(F)0.1580,
(F)0.1601,
(F)0.1569,
(F)0.1589,
(F)0.1555,
(F)0.1474,
(F)0.1571},

{(F)0.1238,
(F)0.0925,
(F)0.0798,
(F)0.0923,
(F)0.0890,
(F)0.0828,
(F)0.1010,
(F)0.0988,
(F)0.0872,
(F)0.1060},
},

{{(F)0.2360,
(F)0.2405,
(F)0.2499,
(F)0.2495,
(F)0.2517,
(F)0.2591,
(F)0.2636,
(F)0.2625,
(F)0.2551,
(F)0.2310},

{(F)0.1285,
(F)0.0925,
(F)0.0779,
(F)0.1060,
(F)0.1183,
(F)0.1176,
(F)0.1277,
(F)0.1268,
(F)0.1193,
(F)0.1211},

{(F)0.0981,
(F)0.0589,
(F)0.0401,
(F)0.0654,
(F)0.0761,
(F)0.0728,
(F)0.0841,
(F)0.0826,
(F)0.0776,
(F)0.0891},

{(F)0.0923,
(F)0.0486,
(F)0.0287,
(F)0.0498,
(F)0.0526,
(F)0.0482,
(F)0.0621,
(F)0.0636,
(F)0.0584,
(F)0.0794}
}

};

FLOAT fg_sum[2][M] = {
{(F)0.2380000054836,
(F)0.2578000128269,
(F)0.2504000067711,
(F)0.2531000375748,
(F)0.2480000108480,
(F)0.2587000429630,
(F)0.2577999532223,
(F)0.2656000256538,
(F)0.2760000228882,
(F)0.2625999450684},

{(F)0.4451000094414,
(F)0.5595000386238,
(F)0.6034000515938,
(F)0.5292999744415,
(F)0.5012999176979,
(F)0.5023000240326,
(F)0.4625000357628,
(F)0.4645000100136,
(F)0.4895999729633,
(F)0.4793999791145}
};

FLOAT fg_sum_inv[2][M] = {
{(F)4.2016806602478,
(F)3.8789758682251,
(F)3.9936101436615,
(F)3.9510068893433,
(F)4.0322580337524,
(F)3.8654806613922,
(F)3.8789765834808,
(F)3.7650599479675,
(F)3.6231880187988,
(F)3.8080739974976},

{(F)2.2466859817505,
(F)1.7873100042343,
(F)1.6572753190994,
(F)1.8892878293991,
(F)1.9948137998581,
(F)1.9908419847488,
(F)2.1621620655060,
(F)2.1528525352478,
(F)2.0424838066101,
(F)2.0859408378601}
};

/*-------------------------------------------------------------*

 *  Table for az_lsf()                                         *

 *                                                             *

 * Vector grid[] is in Q15                                     *

 *                                                             *

 * grid[0] = 1.0;                                              *

 * grid[grid_points+1] = -1.0;                                 *

 * for (i = 1; i < grid_points; i++)                           *

 *   grid[i] = cos((6.283185307*i)/(2.0*grid_points));         *

 *                                                             *

 *-------------------------------------------------------------*/

/* Version 51 points */

FLOAT grid[GRID_POINTS+1] = { /* grid for evaluating  Chebychev polynomials */
(F)0.9997559,
(F)0.9980267,
(F)0.9921147,
(F)0.9822872,
(F)0.9685832,
(F)0.9510565,
(F)0.9297765,
(F)0.9048271,
(F)0.8763067,
(F)0.8443279,
(F)0.8090170,
(F)0.7705132,
(F)0.7289686,
(F)0.6845471,
(F)0.6374240,
(F)0.5877852,
(F)0.5358268,
(F)0.4817537,
(F)0.4257793,
(F)0.3681245,
(F)0.3090170,
(F)0.2486899,
(F)0.1873813,
(F)0.1253332,
(F)0.0627905,
(F)0.0000000,
(F)-0.0627905,
(F)-0.1253332,
(F)-0.1873813,
(F)-0.2486899,
(F)-0.3090170,
(F)-0.3681245,
(F)-0.4257793,
(F)-0.4817537,
(F)-0.5358268,
(F)-0.5877852,
(F)-0.6374240,
(F)-0.6845471,
(F)-0.7289686,
(F)-0.7705132,
(F)-0.8090170,
(F)-0.8443279,
(F)-0.8763067,
(F)-0.9048271,
(F)-0.9297765,
(F)-0.9510565,
(F)-0.9685832,
(F)-0.9822872,
(F)-0.9921147,
(F)-0.9980267,
(F)-0.9997559
};

/*-----------------------------------------------------*

 | Tables for pitch related routines .                 |

 -----------------------------------------------------*/

/*** LTP interpolation filter ****/
/* 1/3 resolution interpolation filter  (-3 dB at 3600 Hz) */
FLOAT inter_3l[FIR_SIZE_SYN] = {
(F)0.898517,
(F)0.769271,
(F)0.448635,
(F)0.095915,
(F)-0.134333,
(F)-0.178528,
(F)-0.084919,
(F)0.036952,
(F)0.095533,
(F)0.068936,
(F)-0.000000,
(F)-0.050404,
(F)-0.050835,
(F)-0.014169,
(F)0.023083,
(F)0.033543,
(F)0.016774,
(F)-0.007466,
(F)-0.019340,
(F)-0.013755,
(F)0.000000,
(F)0.009400,
(F)0.009029,
(F)0.002381,
(F)-0.003658,
(F)-0.005027,
(F)-0.002405,
(F)0.001050,
(F)0.002780,
(F)0.002145,
(F)0.000000
};

/*-----------------------------------------------------*

 | Tables for gain related routines .                  |

 -----------------------------------------------------*/

/**********************************************************************
  gain quantizer
 **********************************************************************/

FLOAT pred[4] = {               /* MA prediction coeff */
(F)0.68,
(F)0.58,
(F)0.34,
(F)0.19
};

FLOAT gbk1[NCODE1][2] = {
{(F)0.000010,
(F)0.185084},

{(F)0.094719,
(F)0.296035},

{(F)0.111779,
(F)0.613122},

{(F)0.003516,
(F)0.659780},

{(F)0.117258,
(F)1.134277},

{(F)0.197901,
(F)1.214512},

{(F)0.021772,
(F)1.801288},

{(F)0.163457,
(F)3.315700}
};

FLOAT gbk2[NCODE2][2] = {
{(F)0.050466,
(F)0.244769},

{(F)0.121711,
(F)0.000010},

{(F)0.313871,
(F)0.072357},

{(F)0.375977,
(F)0.292399},

{(F)0.493870,
(F)0.593410},

{(F)0.556641,
(F)0.064087},

{(F)0.645363,
(F)0.362118},

{(F)0.706138,
(F)0.146110},

{(F)0.809357,
(F)0.397579},

{(F)0.866379,
(F)0.199087},

{(F)0.923602,
(F)0.599938},

{(F)0.925376,
(F)1.742757},

{(F)0.942028,
(F)0.029027},

{(F)0.983459,
(F)0.414166},

{(F)1.055892,
(F)0.227186},

{(F)1.158039,
(F)0.724592}
};

int  map1[NCODE1] = {
 5, 1, 4, 7, 3, 0, 6, 2};

int  map2[NCODE2] = {
 4, 6, 0, 2,12,14, 8,10,15,11, 9,13, 7, 3, 1, 5};

FLOAT coef[2][2] = {
{(F)31.134575,
(F)1.612322},

{(F)0.481389,
(F)0.053056}
};

FLOAT thr1[NCODE1-NCAN1] = {
(F)0.659681,
(F)0.755274,
(F)1.207205,
(F)1.987740
};

FLOAT thr2[NCODE2-NCAN2] = {
(F)0.429912,
(F)0.494045,
(F)0.618737,
(F)0.650676,
(F)0.717949,
(F)0.770050,
(F)0.850628,
(F)0.932089
};

int  imap1[NCODE1] = {
 5, 1, 7, 4, 2, 0, 6, 3};

int  imap2[NCODE2] = {
 2,14, 3,13, 0,15, 1,12, 6,10, 7, 9, 4,11, 5, 8};


/*-----------------------------------------------------*

 | Tables for routines post_pro() & pre_proc().        |

 -----------------------------------------------------*/

/* filter coefficients (fc = 100 Hz ) */

FLOAT b100[3] = {(F)0.93980581E+00, (F)-0.18795834E+01,  (F)0.93980581E+00};
FLOAT a100[3] = {(F)1.00000000E+00,  (F)0.19330735E+01, (F)-0.93589199E+00};

/* filter coefficients (fc = 140 Hz)  */

FLOAT b140[3] = {(F)0.92727435E+00, (F)-0.18544941E+01, (F)0.92727435E+00};
FLOAT a140[3] = {(F)1.00000000E+00, (F)0.19059465E+01, (F)-0.91140240E+00};


/*-----------------------------------------------------*

 | Tables for routine bits().                          |

 -----------------------------------------------------*/

int  bitsno[PRM_SIZE] = {8,              /* MA + 1st stage */
                               10,             /* 2nd stage */
                               8,1,  13,4, 7,  /* first subframe  */
                               5,    13,4, 7}; /* second subframe */