constants.c

Ilibc 语音编解码库算法。语音质量高。接口简单。

       (float)0.885345, (float)0.893524, (float)0.901428,
       (float)0.909058, (float)0.916412, (float)0.923492,
       (float)0.930267, (float)0.936768, (float)0.942963,
       (float)0.948853, (float)0.954437, (float)0.959717,
       (float)0.964691, (float)0.969360, (float)0.973694,
       (float)0.977692, (float)0.981384, (float)0.984741,
       (float)0.987762, (float)0.990479, (float)0.992828,
       (float)0.994873, (float)0.996552, (float)0.997925,
       (float)0.998932, (float)0.999603, (float)0.999969,
       (float)0.999969, (float)0.999603, (float)0.998932,
       (float)0.997925, (float)0.996552, (float)0.994873,
       (float)0.992828, (float)0.990479, (float)0.987762,
       (float)0.984741, (float)0.981384, (float)0.977692,
       (float)0.973694, (float)0.969360, (float)0.964691,
       (float)0.959717, (float)0.954437, (float)0.948853,
       (float)0.942963, (float)0.936768, (float)0.930267,
       (float)0.923492, (float)0.916412, (float)0.909058,
       (float)0.901428, (float)0.893524, (float)0.885345,
       (float)0.876892, (float)0.868225, (float)0.859253,
       (float)0.850067, (float)0.840668, (float)0.830994,
       (float)0.821106, (float)0.811005, (float)0.800720,
       (float)0.790192, (float)0.779480, (float)0.768585,
       (float)0.757477, (float)0.746216, (float)0.734802,
       (float)0.723206, (float)0.711487, (float)0.699585,
       (float)0.687561, (float)0.675415, (float)0.663147,
       (float)0.650787, (float)0.638306, (float)0.625732,
   
   
       (float)0.613068, (float)0.600342, (float)0.587524,
       (float)0.574677, (float)0.561768, (float)0.548798,
       (float)0.535828, (float)0.522797, (float)0.509766,
       (float)0.496735, (float)0.483704, (float)0.470673,
       (float)0.457672, (float)0.444702, (float)0.431763,
       (float)0.418884, (float)0.406067, (float)0.393280,
       (float)0.380585, (float)0.367981, (float)0.355438,
       (float)0.343018, (float)0.330688, (float)0.318481,
       (float)0.306396, (float)0.294464, (float)0.282654,
       (float)0.270966, (float)0.259460, (float)0.248108,
       (float)0.236938, (float)0.225952, (float)0.215149,
       (float)0.204529, (float)0.194122, (float)0.183899,
       (float)0.173920, (float)0.164154, (float)0.154602,
       (float)0.145294, (float)0.136230, (float)0.127411,
       (float)0.118835, (float)0.110535, (float)0.102509,
       (float)0.094727, (float)0.087219, (float)0.080017,
       (float)0.073090, (float)0.066437, (float)0.060089,
       (float)0.054047, (float)0.048309, (float)0.042877,
       (float)0.037750, (float)0.032928, (float)0.028442,
       (float)0.024261, (float)0.020416, (float)0.016907,
       (float)0.013702, (float)0.010834, (float)0.008301,
       (float)0.006104, (float)0.004242, (float)0.002716,
       (float)0.001526, (float)0.000671, (float)0.000183
   };
   
   /* Asymmetric LPC window */
   float lpc_asymwinTbl[BLOCKL_MAX]={
       (float)0.000061, (float)0.000214, (float)0.000458,
       (float)0.000824, (float)0.001282, (float)0.001831,
       (float)0.002472, (float)0.003235, (float)0.004120,
       (float)0.005066, (float)0.006134, (float)0.007294,
       (float)0.008545, (float)0.009918, (float)0.011383,
       (float)0.012939, (float)0.014587, (float)0.016357,
       (float)0.018219, (float)0.020172, (float)0.022217,
       (float)0.024353, (float)0.026611, (float)0.028961,
       (float)0.031372, (float)0.033905, (float)0.036530,
       (float)0.039276, (float)0.042084, (float)0.044983,
       (float)0.047974, (float)0.051086, (float)0.054260,
       (float)0.057526, (float)0.060883, (float)0.064331,
       (float)0.067871, (float)0.071503, (float)0.075226,
       (float)0.079010, (float)0.082916, (float)0.086884,
       (float)0.090942, (float)0.095062, (float)0.099304,
       (float)0.103607, (float)0.107971, (float)0.112427,
       (float)0.116974, (float)0.121582, (float)0.126282,
       (float)0.131073, (float)0.135895, (float)0.140839,
       (float)0.145813, (float)0.150879, (float)0.156006,
       (float)0.161224, (float)0.166504, (float)0.171844,
       (float)0.177246, (float)0.182709, (float)0.188263,
       (float)0.193848, (float)0.199524, (float)0.205231,
       (float)0.211029, (float)0.216858, (float)0.222778,
       (float)0.228729, (float)0.234741, (float)0.240814,
       (float)0.246918, (float)0.253082, (float)0.259308,
       (float)0.265564, (float)0.271881, (float)0.278259,
       (float)0.284668, (float)0.291107, (float)0.297607,
   
   
       (float)0.304138, (float)0.310730, (float)0.317322,
       (float)0.323975, (float)0.330658, (float)0.337372,
       (float)0.344147, (float)0.350922, (float)0.357727,
       (float)0.364594, (float)0.371460, (float)0.378357,
       (float)0.385284, (float)0.392212, (float)0.399170,
       (float)0.406158, (float)0.413177, (float)0.420197,
       (float)0.427246, (float)0.434296, (float)0.441376,
       (float)0.448456, (float)0.455536, (float)0.462646,
       (float)0.469757, (float)0.476868, (float)0.483978,
       (float)0.491089, (float)0.498230, (float)0.505341,
       (float)0.512451, (float)0.519592, (float)0.526703,
       (float)0.533813, (float)0.540924, (float)0.548004,
       (float)0.555084, (float)0.562164, (float)0.569244,
       (float)0.576294, (float)0.583313, (float)0.590332,
       (float)0.597321, (float)0.604309, (float)0.611267,
       (float)0.618195, (float)0.625092, (float)0.631989,
       (float)0.638855, (float)0.645660, (float)0.652466,
       (float)0.659241, (float)0.665985, (float)0.672668,
       (float)0.679352, (float)0.685974, (float)0.692566,
       (float)0.699127, (float)0.705658, (float)0.712128,
       (float)0.718536, (float)0.724945, (float)0.731262,
       (float)0.737549, (float)0.743805, (float)0.750000,
       (float)0.756134, (float)0.762238, (float)0.768280,
       (float)0.774261, (float)0.780182, (float)0.786072,
       (float)0.791870, (float)0.797638, (float)0.803314,
       (float)0.808960, (float)0.814514, (float)0.820038,
       (float)0.825470, (float)0.830841, (float)0.836151,
       (float)0.841400, (float)0.846558, (float)0.851654,
       (float)0.856689, (float)0.861633, (float)0.866516,
       (float)0.871338, (float)0.876068, (float)0.880737,
       (float)0.885315, (float)0.889801, (float)0.894226,
       (float)0.898560, (float)0.902832, (float)0.907013,
       (float)0.911102, (float)0.915100, (float)0.919037,
       (float)0.922882, (float)0.926636, (float)0.930328,
       (float)0.933899, (float)0.937408, (float)0.940796,
       (float)0.944122, (float)0.947357, (float)0.950470,
       (float)0.953522, (float)0.956482, (float)0.959351,
       (float)0.962097, (float)0.964783, (float)0.967377,
       (float)0.969849, (float)0.972229, (float)0.974518,
       (float)0.976715, (float)0.978821, (float)0.980835,
       (float)0.982727, (float)0.984528, (float)0.986237,
       (float)0.987854, (float)0.989380, (float)0.990784,
       (float)0.992096, (float)0.993317, (float)0.994415,
       (float)0.995422, (float)0.996338, (float)0.997162,
       (float)0.997864, (float)0.998474, (float)0.998962,
       (float)0.999390, (float)0.999695, (float)0.999878,
       (float)0.999969, (float)0.999969, (float)0.996918,
       (float)0.987701, (float)0.972382, (float)0.951050,
       (float)0.923889, (float)0.891022, (float)0.852631,
       (float)0.809021, (float)0.760406, (float)0.707092,
       (float)0.649445, (float)0.587799, (float)0.522491,
       (float)0.453979, (float)0.382690, (float)0.309021,
       (float)0.233459, (float)0.156433, (float)0.078461
   };
   
   
   
   /* Lag window for LPC */
   float lpc_lagwinTbl[LPC_FILTERORDER + 1]={
       (float)1.000100, (float)0.998890, (float)0.995569,
           (float)0.990057, (float)0.982392,
       (float)0.972623, (float)0.960816, (float)0.947047,
           (float)0.931405, (float)0.913989, (float)0.894909};
   
   /* LSF quantization*/
   float lsfCbTbl[64 * 3 + 128 * 3 + 128 * 4] = {
   (float)0.155396, (float)0.273193, (float)0.451172,
   (float)0.390503, (float)0.648071, (float)1.002075,
   (float)0.440186, (float)0.692261, (float)0.955688,
   (float)0.343628, (float)0.642334, (float)1.071533,
   (float)0.318359, (float)0.491577, (float)0.670532,
   (float)0.193115, (float)0.375488, (float)0.725708,
   (float)0.364136, (float)0.510376, (float)0.658691,
   (float)0.297485, (float)0.527588, (float)0.842529,
   (float)0.227173, (float)0.365967, (float)0.563110,
   (float)0.244995, (float)0.396729, (float)0.636475,
   (float)0.169434, (float)0.300171, (float)0.520264,
   (float)0.312866, (float)0.464478, (float)0.643188,
   (float)0.248535, (float)0.429932, (float)0.626099,
   (float)0.236206, (float)0.491333, (float)0.817139,
   (float)0.334961, (float)0.625122, (float)0.895752,
   (float)0.343018, (float)0.518555, (float)0.698608,
   (float)0.372803, (float)0.659790, (float)0.945435,
   (float)0.176880, (float)0.316528, (float)0.581421,
   (float)0.416382, (float)0.625977, (float)0.805176,
   (float)0.303223, (float)0.568726, (float)0.915039,
   (float)0.203613, (float)0.351440, (float)0.588135,
   (float)0.221191, (float)0.375000, (float)0.614746,
   (float)0.199951, (float)0.323364, (float)0.476074,
   (float)0.300781, (float)0.433350, (float)0.566895,
   (float)0.226196, (float)0.354004, (float)0.507568,
   (float)0.300049, (float)0.508179, (float)0.711670,
   (float)0.312012, (float)0.492676, (float)0.763428,
   (float)0.329956, (float)0.541016, (float)0.795776,
   (float)0.373779, (float)0.604614, (float)0.928833,
   (float)0.210571, (float)0.452026, (float)0.755249,
   (float)0.271118, (float)0.473267, (float)0.662476,
   (float)0.285522, (float)0.436890, (float)0.634399,
   (float)0.246704, (float)0.565552, (float)0.859009,
   (float)0.270508, (float)0.406250, (float)0.553589,
   (float)0.361450, (float)0.578491, (float)0.813843,
   (float)0.342651, (float)0.482788, (float)0.622437,
   (float)0.340332, (float)0.549438, (float)0.743164,
   (float)0.200439, (float)0.336304, (float)0.540894,
   (float)0.407837, (float)0.644775, (float)0.895142,
   (float)0.294678, (float)0.454834, (float)0.699097,
   (float)0.193115, (float)0.344482, (float)0.643188,
   (float)0.275757, (float)0.420776, (float)0.598755,
   (float)0.380493, (float)0.608643, (float)0.861084,
   (float)0.222778, (float)0.426147, (float)0.676514,
   
   
   (float)0.407471, (float)0.700195, (float)1.053101,
   (float)0.218384, (float)0.377197, (float)0.669922,
   (float)0.313232, (float)0.454102, (float)0.600952,
   (float)0.347412, (float)0.571533, (float)0.874146,
   (float)0.238037, (float)0.405396, (float)0.729492,
   (float)0.223877, (float)0.412964, (float)0.822021,
   (float)0.395264, (float)0.582153, (float)0.743896,
   (float)0.247925, (float)0.485596, (float)0.720581,
   (float)0.229126, (float)0.496582, (float)0.907715,
   (float)0.260132, (float)0.566895, (float)1.012695,
   (float)0.337402, (float)0.611572, (float)0.978149,
   (float)0.267822, (float)0.447632, (float)0.769287,
   (float)0.250610, (float)0.381714, (float)0.530029,
   (float)0.430054, (float)0.805054, (float)1.221924,
   (float)0.382568, (float)0.544067, (float)0.701660,
   (float)0.383545, (float)0.710327, (float)1.149170,
   (float)0.271362, (float)0.529053, (float)0.775513,
   (float)0.246826, (float)0.393555, (float)0.588623,
   (float)0.266846, (float)0.422119, (float)0.676758,
   (float)0.311523, (float)0.580688, (float)0.838623,
   (float)1.331177, (float)1.576782, (float)1.779541,
   (float)1.160034, (float)1.401978, (float)1.768188,
   (float)1.161865, (float)1.525146, (float)1.715332,
   (float)0.759521, (float)0.913940, (float)1.119873,
   (float)0.947144, (float)1.121338, (float)1.282471,
   (float)1.015015, (float)1.557007, (float)1.804932,
   (float)1.172974, (float)1.402100, (float)1.692627,
   (float)1.087524, (float)1.474243, (float)1.665405,
   (float)0.899536, (float)1.105225, (float)1.406250,
   (float)1.148438, (float)1.484741, (float)1.796265,
   (float)0.785645, (float)1.209839, (float)1.567749,
   (float)0.867798, (float)1.166504, (float)1.450684,
   (float)0.922485, (float)1.229858, (float)1.420898,
   (float)0.791260, (float)1.123291, (float)1.409546,
   (float)0.788940, (float)0.966064, (float)1.340332,
   (float)1.051147, (float)1.272827, (float)1.556641,
   (float)0.866821, (float)1.181152, (float)1.538818,
   (float)0.906738, (float)1.373535, (float)1.607910,
   (float)1.244751, (float)1.581421, (float)1.933838,
   (float)0.913940, (float)1.337280, (float)1.539673,
   (float)0.680542, (float)0.959229, (float)1.662720,
   (float)0.887207, (float)1.430542, (float)1.800781,
   (float)0.912598, (float)1.433594, (float)1.683960,
   (float)0.860474, (float)1.060303, (float)1.455322,
   (float)1.005127, (float)1.381104, (float)1.706909,
   (float)0.800781, (float)1.363892, (float)1.829102,
   (float)0.781860, (float)1.124390, (float)1.505981,
   (float)1.003662, (float)1.471436, (float)1.684692,