tab_16khz.inc

Intel开发的IPP库的应用实例

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{ 5.5095544e+00f, -8.0797066e-01f,
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  9.4858111e-01f,  2.8657268e-01f,
  3.4979376e-01f, -4.5038226e-02f}};



static float qCoeff16kHz_Log[256][2] =
{{3.0931525e+02f, 2.4910834e+01f},
 {2.9456281e+02f, 2.4941240e+01f},
 {2.9825983e+02f, 2.3772064e+01f},
 {2.8745948e+02f, 2.4234293e+01f},
 {2.8399293e+02f, 2.4931683e+01f},
 {2.7990689e+02f, 2.4286879e+01f},
 {2.8122826e+02f, 2.3634594e+01f},
 {2.8432606e+02f, 2.2692950e+01f},
 {2.7270632e+02f, 2.4634843e+01f},
 {2.7472845e+02f, 2.3888829e+01f},
 {2.6746578e+02f, 2.4067174e+01f},
 {2.7022062e+02f, 2.3528483e+01f},
 {2.7515529e+02f, 2.3171180e+01f},
 {2.7032839e+02f, 2.2500592e+01f},
 {2.6400914e+02f, 2.2545921e+01f},
 {2.6348862e+02f, 2.1988167e+01f},
 {2.6276455e+02f, 2.4739306e+01f},
 {2.5986883e+02f, 2.4047529e+01f},
 {2.5369632e+02f, 2.3841503e+01f},
 {2.5795191e+02f, 2.3427882e+01f},
 {2.5168434e+02f, 2.3306558e+01f},
 {2.4617370e+02f, 2.3060709e+01f},
 {2.5081803e+02f, 2.2752233e+01f},
 {2.5282093e+02f, 2.2272776e+01f},
 {2.6412571e+02f, 2.3519404e+01f},
 {2.6783237e+02f, 2.3038319e+01f},
 {2.6149588e+02f, 2.3000337e+01f},
 {2.5576044e+02f, 2.2892935e+01f},
 {2.5842737e+02f, 2.2458127e+01f},
 {2.5757768e+02f, 2.1938100e+01f},
 {2.6959932e+02f, 2.1394584e+01f},
 {2.5915050e+02f, 2.1346525e+01f},
 {2.5169885e+02f, 2.4495909e+01f},
 {2.4704223e+02f, 2.3753418e+01f},
 {2.4116300e+02f, 2.3441284e+01f},
 {2.4156316e+02f, 2.2734833e+01f},
 {2.4662672e+02f, 2.2457344e+01f},
 {2.4236171e+02f, 2.2146558e+01f},
 {2.3729504e+02f, 2.2371569e+01f},
 {2.3321752e+02f, 2.1986766e+01f},
 {2.2795593e+02f, 2.2185325e+01f},
 {2.2900674e+02f, 2.1644595e+01f},
 {2.3402916e+02f, 2.1458688e+01f},
 {2.2967739e+02f, 2.1121499e+01f},
 {2.3821068e+02f, 2.1801559e+01f},
 {2.3934619e+02f, 2.1294752e+01f},
 {2.3991089e+02f, 2.0810588e+01f},
 {2.3502440e+02f, 2.0961381e+01f},
 {2.4806630e+02f, 2.1938447e+01f},
 {2.4365887e+02f, 2.1604267e+01f},
 {2.4834963e+02f, 2.1368323e+01f},
 {2.4444504e+02f, 2.1026500e+01f},
 {2.5293491e+02f, 2.1694301e+01f},
 {2.5318936e+02f, 2.1108746e+01f},
 {2.5768947e+02f, 2.0364316e+01f},
 {2.4916305e+02f, 2.0649290e+01f},
 {2.4348694e+02f, 2.0404048e+01f},
 {2.4002649e+02f, 1.9905325e+01f},
 {2.4813011e+02f, 1.9750513e+01f},
 {2.4172146e+02f, 1.9167621e+01f},
 {2.3518251e+02f, 1.9605724e+01f},
 {2.2915032e+02f, 1.9623400e+01f},
 {2.3301827e+02f, 1.9098099e+01f},
 {2.3556464e+02f, 1.8496238e+01f},
 {2.4092370e+02f, 2.4320577e+01f},
 {2.3319017e+02f, 2.3664536e+01f},
 {2.3622908e+02f, 2.2984808e+01f},
 {2.3187434e+02f, 2.2604078e+01f},
 {2.2604282e+02f, 2.3086469e+01f},
 {2.2193966e+02f, 2.2409437e+01f},
 {2.2287184e+02f, 2.1775035e+01f},
 {2.1647546e+02f, 2.1836767e+01f},
 {2.2498408e+02f, 2.1334363e+01f},
 {2.2382610e+02f, 2.0919143e+01f},
 {2.3240247e+02f, 2.0575321e+01f},
 {2.2788773e+02f, 2.0669749e+01f},
 {2.3724310e+02f, 2.0405647e+01f},
 {2.3326228e+02f, 2.0070172e+01f},
 {2.2852420e+02f, 2.0158744e+01f},
 {2.2453134e+02f, 1.9839681e+01f},
 {2.1996058e+02f, 2.0689548e+01f},
 {2.2396128e+02f, 2.0381233e+01f},
 {2.2032004e+02f, 2.0104544e+01f},
 {2.1952897e+02f, 1.9623954e+01f},
 {2.1676006e+02f, 2.0392349e+01f},
 {2.1228857e+02f, 2.0318409e+01f},
 {2.1561957e+02f, 1.9921695e+01f},
 {2.1485666e+02f, 1.9434299e+01f},
 {2.2352677e+02f, 1.9354640e+01f},
 {2.2741669e+02f, 1.9086402e+01f},
 {2.2264606e+02f, 1.8761040e+01f},
 {2.1875365e+02f, 1.9116138e+01f},
 {2.2828444e+02f, 1.8490419e+01f},
 {2.2214426e+02f, 1.8122171e+01f},
 {2.2976187e+02f, 1.7837998e+01f},
 {2.2359499e+02f, 1.7459248e+01f},
 {2.1311838e+02f, 2.4910059e+01f},
 {1.9445907e+02f, 2.3415262e+01f},
 {2.0307744e+02f, 2.1124761e+01f},
 {2.0307546e+02f, 2.0448946e+01f},
 {2.1398647e+02f, 2.2636242e+01f},
 {2.0561717e+02f, 2.1978749e+01f},
 {2.1926087e+02f, 2.1261414e+01f},
 {2.1494738e+02f, 2.0885815e+01f},
 {2.1130387e+02f, 2.1377196e+01f},
 {2.0899560e+02f, 2.0731533e+01f},
 {2.0768350e+02f, 2.0135329e+01f},
 {2.0299729e+02f, 1.9874367e+01f},
 {2.1107158e+02f, 1.9789001e+01f},
 {2.0999530e+02f, 1.9319822e+01f},
 {2.0473454e+02f, 1.9203313e+01f},
 {2.0450923e+02f, 1.8746904e+01f},
 {2.1368260e+02f, 1.8949921e+01f},
 {2.0885256e+02f, 1.8857853e+01f},
 {2.1732975e+02f, 1.8596641e+01f},
 {2.1556802e+02f, 1.8113599e+01f},
 {2.1183889e+02f, 1.8441322e+01f},
 {2.0697212e+02f, 1.8311043e+01f},
 {2.1018877e+02f, 1.7832958e+01f},
 {2.0587392e+02f, 1.7406776e+01f},
 {2.1698991e+02f, 1.7589227e+01f},
 {2.1854274e+02f, 1.6997581e+01f},
 {2.1197921e+02f, 1.7205535e+01f},
 {2.1365162e+02f, 1.6544860e+01f},
 {2.0763615e+02f, 1.6752333e+01f},
 {2.0175934e+02f, 1.6920053e+01f},
 {2.0342676e+02f, 1.6294542e+01f},
 {2.0878261e+02f, 1.6084910e+01f},
 {1.9594806e+02f, 2.0614806e+01f},
 {1.9808713e+02f, 1.9977035e+01f},
 {2.0635197e+02f, 1.9617124e+01f},
 {2.0026368e+02f, 1.9405441e+01f},
 {1.9084842e+02f, 2.1600337e+01f},
 {1.8588545e+02f, 2.0371408e+01f},
 {1.9101128e+02f, 1.9862294e+01f},
 {1.8346350e+02f, 1.9472624e+01f},
 {1.9542495e+02f, 1.9487347e+01f},
 {1.9572611e+02f, 1.9004558e+01f},
 {2.0016828e+02f, 1.8910597e+01f},
 {1.9678584e+02f, 1.8516367e+01f},
 {1.9193910e+02f, 1.8642705e+01f},
 {1.9287709e+02f, 1.8143386e+01f},
 {1.9419580e+02f, 1.7602958e+01f},
 {1.8905592e+02f, 1.7742848e+01f},
 {1.7387892e+02f, 2.0391484e+01f},
 {1.7549242e+02f, 1.9163133e+01f},
 {1.8104109e+02f, 1.8590573e+01f},
 {1.7164537e+02f, 1.8347727e+01f},
 {1.9033397e+02f, 1.9209126e+01f},
 {1.8634012e+02f, 1.8810544e+01f},
 {1.8763004e+02f, 1.8275245e+01f},
 {1.8367158e+02f, 1.7935873e+01f},
 {1.7836642e+02f, 1.8030612e+01f},
 {1.7932449e+02f, 1.7457277e+01f},
 {1.7289994e+02f, 1.7574246e+01f},
 {1.6844288e+02f, 1.7006282e+01f},
 {1.8134081e+02f, 1.6944392e+01f},
 {1.7761720e+02f, 1.6564149e+01f},
 {1.7688027e+02f, 1.6041327e+01f},
 {1.8235893e+02f, 1.5679003e+01f},
 {2.0143764e+02f, 1.8384135e+01f},
 {1.9810058e+02f, 1.7998786e+01f},
 {2.0374368e+02f, 1.7891898e+01f},
 {1.9969587e+02f, 1.7464180e+01f},
 {1.9001682e+02f, 1.7196933e+01f},
 {1.8468242e+02f, 1.7385441e+01f},
 {1.8632821e+02f, 1.6762034e+01f},
 {1.8256332e+02f, 1.6312692e+01f},
 {1.9566082e+02f, 1.7039809e+01f},
 {1.9177249e+02f, 1.6606536e+01f},
 {1.9788756e+02f, 1.6464716e+01f},
 {1.9926714e+02f, 1.5888958e+01f},
 {2.0419489e+02f, 1.5660489e+01f},
 {1.9966172e+02f, 1.5297084e+01f},
 {1.9502568e+02f, 1.5530952e+01f},
 {1.9483547e+02f, 1.5015372e+01f},
 {1.9368113e+02f, 1.6043015e+01f},
 {1.8956844e+02f, 1.5496127e+01f},
 {1.8782137e+02f, 1.6077787e+01f},
 {1.8426188e+02f, 1.5182690e+01f},
 {1.8864475e+02f, 1.4945185e+01f},
 {1.9173897e+02f, 1.4617059e+01f},
 {1.8757784e+02f, 1.4292901e+01f},
 {1.8393557e+02f, 1.4007236e+01f},
 {1.7503391e+02f, 1.5500041e+01f},
 {1.7103316e+02f, 1.5042440e+01f},
 {1.7865626e+02f, 1.4984430e+01f},
 {1.8336157e+02f, 1.4644049e+01f},
 {1.7478992e+02f, 1.4498532e+01f},
 {1.7384033e+02f, 1.3917105e+01f},
 {1.7929655e+02f, 1.4253042e+01f},
 {1.7936678e+02f, 1.3646675e+01f},
 {1.6229487e+02f, 1.8956012e+01f},
 {1.6430731e+02f, 1.7767499e+01f},
 {1.6068706e+02f, 1.6822150e+01f},
 {1.6592064e+02f, 1.6288085e+01f},
 {1.7520481e+02f, 1.7029849e+01f},
 {1.7175832e+02f, 1.6530329e+01f},
 {1.7104285e+02f, 1.6011830e+01f},
 {1.6704419e+02f, 1.5632522e+01f},
 {1.5333154e+02f, 1.7660826e+01f},
 {1.4366470e+02f, 1.6781726e+01f},
 {1.5340288e+02f, 1.6373120e+01f},
 {1.4969233e+02f, 1.5496483e+01f},
 {1.5990589e+02f, 1.5777880e+01f},
 {1.6373662e+02f, 1.5108883e+01f},
 {1.5603947e+02f, 1.4928163e+01f},
 {1.5315225e+02f, 1.4173241e+01f},
 {1.6903805e+02f, 1.4440917e+01f},
 {1.6223641e+02f, 1.4446589e+01f},
 {1.6752114e+02f, 1.3888715e+01f},
 {1.6971687e+02f, 1.3456808e+01f},
 {1.7503691e+02f, 1.3288271e+01f},
 {1.7140536e+02f, 1.2891179e+01f},
 {1.6629292e+02f, 1.3035821e+01f},
 {1.6706788e+02f, 1.2550423e+01f},
 {1.6010540e+02f, 1.3869096e+01f},
 {1.6317566e+02f, 1.3406093e+01f},
 {1.5571523e+02f, 1.3289231e+01f},
 {1.5622118e+02f, 1.2596222e+01f},
 {1.6098306e+02f, 1.2849118e+01f},
 {1.6177894e+02f, 1.2259953e+01f},
 {1.5923403e+02f, 1.1736308e+01f},
 {1.5443018e+02f, 1.1455397e+01f},
 {1.3877689e+02f, 1.5697884e+01f},
 {1.3275464e+02f, 1.4753288e+01f},
 {1.4548349e+02f, 1.4612235e+01f},
 {1.4674685e+02f, 1.3649967e+01f},
 {1.3817746e+02f, 1.3820979e+01f},
 {1.2763417e+02f, 1.3434736e+01f},
 {1.3206235e+02f, 1.2333561e+01f},
 {1.2164237e+02f, 1.2033528e+01f},
 {1.4819503e+02f, 1.2913049e+01f},
 {1.3899221e+02f, 1.2932652e+01f},
 {1.5047781e+02f, 1.2287173e+01f},
 {1.5513200e+02f, 1.2035243e+01f},
 {1.4904666e+02f, 1.1734462e+01f},
 {1.4985482e+02f, 1.1119650e+01f},
 {1.4398155e+02f, 1.1422952e+01f},
 {1.4527912e+02f, 1.0766673e+01f},
 {1.4312885e+02f, 1.2199854e+01f},
 {1.3780169e+02f, 1.1645488e+01f},
 {1.3907167e+02f, 1.1007875e+01f},
 {1.3507553e+02f, 1.0597501e+01f},
 {1.4129602e+02f, 1.0384303e+01f},
 {1.3598447e+02f, 9.9804087e+00f},
 {1.2902618e+02f, 1.0298379e+01f},
 {1.2943900e+02f, 9.5314991e+00f},
 {1.3014688e+02f, 1.1189222e+01f},
 {1.2025650e+02f, 1.0817953e+01f},
 {1.2333922e+02f, 9.8579857e+00f},
 {1.2277001e+02f, 9.1065560e+00f},
 {1.1355060e+02f, 9.5385395e+00f},
 {1.1693712e+02f, 8.5812427e+00f},
 {1.0741228e+02f, 8.1334843e+00f},
 {9.5696924e+01f, 6.9392472e+00f}};


static double w16kHz_C0 =  0.028296959268661;
static double w16kHz_LE =  0.28010933868945;