?? iir_cf.h
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// IIR filter coefficient tables/* BETA, ALPHA, GAMMA */static sIIRCoefficients iir_cf10_11k_11025[] __attribute__((aligned)) = { /* 31 Hz*/{ 9.8758524689e-01, 6.2073765555e-03, 1.9872750693e+00 }, /* 62 Hz*/{ 9.7532461998e-01, 1.2337690008e-02, 1.9740916593e+00 }, /* 125 Hz*/{ 9.5087485437e-01, 2.4562572817e-02, 1.9459267562e+00 }, /* 250 Hz*/{ 9.0416308662e-01, 4.7918456688e-02, 1.8848691023e+00 }, /* 500 Hz*/{ 8.1751373987e-01, 9.1243130064e-02, 1.7442229115e+00 }, /* 1k Hz*/{ 6.6840529852e-01, 1.6579735074e-01, 1.4047189863e+00 }, /* 2k Hz*/{ 4.4858358977e-01, 2.7570820511e-01, 6.0517475334e-01 }, /* 3k Hz*/{ 3.1012671838e-01, 3.4493664081e-01, -1.8141012760e-01 }, /* 4k Hz*/{ 2.4198119087e-01, 3.7900940457e-01, -8.0845085113e-01 }, /* 5.5k Hz*/{ 3.3453245058e-01, 3.3273377471e-01, -1.3344985880e+00 },};static sIIRCoefficients iir_cf10_22k_22050[] __attribute__((aligned)) = { /* 31 Hz*/{ 9.9377323686e-01, 3.1133815717e-03, 1.9936954495e+00 }, /* 62 Hz*/{ 9.8758524689e-01, 6.2073765555e-03, 1.9872750693e+00 }, /* 125 Hz*/{ 9.7512812040e-01, 1.2435939802e-02, 1.9738753198e+00 }, /* 250 Hz*/{ 9.5087485437e-01, 2.4562572817e-02, 1.9459267562e+00 }, /* 500 Hz*/{ 9.0416308662e-01, 4.7918456688e-02, 1.8848691023e+00 }, /* 1k Hz*/{ 8.1751373987e-01, 9.1243130064e-02, 1.7442229115e+00 }, /* 2k Hz*/{ 6.6840529852e-01, 1.6579735074e-01, 1.4047189863e+00 }, /* 4k Hz*/{ 4.4858358977e-01, 2.7570820511e-01, 6.0517475334e-01 }, /* 8k Hz*/{ 2.4198119087e-01, 3.7900940457e-01, -8.0845085113e-01 }, /* 11k Hz*/{ 3.3453245058e-01, 3.3273377471e-01, -1.3344985880e+00 },};#ifdef _UNUSED_static sIIRCoefficients iir_cforiginal10_44100[] __attribute__((aligned)) = { /* 60 Hz*/{ 9.9397349481e-01, 3.0132525945e-03, 1.9939006377e+00 }, /* 170 Hz*/{ 9.8301906957e-01, 8.4904652142e-03, 1.9824374272e+00 }, /* 310 Hz*/{ 9.6925150511e-01, 1.5374247445e-02, 1.9673310395e+00 }, /* 600 Hz*/{ 9.4134330314e-01, 2.9328348430e-02, 1.9342541736e+00 }, /* 1k Hz*/{ 9.0416308662e-01, 4.7918456688e-02, 1.8848691023e+00 }, /* 3k Hz*/{ 7.3918401009e-01, 1.3040799496e-01, 1.5827185140e+00 }, /* 6k Hz*/{ 5.4688945509e-01, 2.2655527245e-01, 1.0152665639e+00 }, /* 12k Hz*/{ 3.1012671838e-01, 3.4493664081e-01, -1.8141012760e-01 }, /* 14k Hz*/{ 2.6712322292e-01, 3.6643838854e-01, -5.2115143966e-01 }, /* 16k Hz*/{ 2.4198119087e-01, 3.7900940457e-01, -8.0845085113e-01 },};static sIIRCoefficients iir_cforiginal10_48000[] __attribute__((aligned)) = { /* 60 Hz*/{ 9.9446178985e-01, 2.7691050731e-03, 1.9944002760e+00 }, /* 170 Hz*/{ 9.8438794122e-01, 7.8060293913e-03, 1.9838966333e+00 }, /* 310 Hz*/{ 9.7171413384e-01, 1.4142933081e-02, 1.9700909975e+00 }, /* 600 Hz*/{ 9.4597793866e-01, 2.7011030668e-02, 1.9399791381e+00 }, /* 1k Hz*/{ 9.1159452679e-01, 4.4202736607e-02, 1.8952405706e+00 }, /* 3k Hz*/{ 7.5755317065e-01, 1.2122341468e-01, 1.6237674017e+00 }, /* 6k Hz*/{ 5.7422402554e-01, 2.1288798723e-01, 1.1131444836e+00 }, /* 12k Hz*/{ 3.3730698905e-01, 3.3134650547e-01, 8.1883731790e-17 }, /* 14k Hz*/{ 2.8947322018e-01, 3.5526338991e-01, -3.3374022753e-01 }, /* 16k Hz*/{ 2.5620076154e-01, 3.7189961923e-01, -6.2810038077e-01 },};static sIIRCoefficients iir_cf10_8000[] __attribute__((aligned)) = { /* 31 Hz*/{ 9.8293118010e-01, 8.5344099512e-03, 1.9823434752e+00 }, /* 62 Hz*/{ 9.6615370528e-01, 1.6923147362e-02, 1.9638231211e+00 }, /* 125 Hz*/{ 9.3293473908e-01, 3.3532630460e-02, 1.9236271300e+00 }, /* 250 Hz*/{ 8.7036769704e-01, 6.4816151479e-02, 1.8344291062e+00 }, /* 500 Hz*/{ 7.5755317065e-01, 1.2122341468e-01, 1.6237674017e+00 }, /* 1k Hz*/{ 5.7422402554e-01, 2.1288798723e-01, 1.1131444836e+00 }, /* 2k Hz*/{ 3.3730698905e-01, 3.3134650547e-01, 8.1883731790e-17 }, /* 4k Hz*/{ 3.3730698905e-01, 3.3134650547e-01, -1.3373069891e+00 }, /* 8k Hz*/{ -7.3760117555e+00, 4.1880058777e+00, -6.3760117555e+00 }, /* 16k Hz*/{ -1.7632951026e+00, 1.3816475513e+00, -7.6329510259e-01 },};static sIIRCoefficients iir_cf10_11025[] __attribute__((aligned)) = { /* 31 Hz*/{ 9.8758524689e-01, 6.2073765555e-03, 1.9872750693e+00 }, /* 62 Hz*/{ 9.7532461998e-01, 1.2337690008e-02, 1.9740916593e+00 }, /* 125 Hz*/{ 9.5087485437e-01, 2.4562572817e-02, 1.9459267562e+00 }, /* 250 Hz*/{ 9.0416308662e-01, 4.7918456688e-02, 1.8848691023e+00 }, /* 500 Hz*/{ 8.1751373987e-01, 9.1243130064e-02, 1.7442229115e+00 }, /* 1k Hz*/{ 6.6840529852e-01, 1.6579735074e-01, 1.4047189863e+00 }, /* 2k Hz*/{ 4.4858358977e-01, 2.7570820511e-01, 6.0517475334e-01 }, /* 4k Hz*/{ 2.4198119087e-01, 3.7900940457e-01, -8.0845085113e-01 }, /* 8k Hz*/{ -1.2157171596e+00, 1.1078585798e+00, 3.2910548979e-02 }, /* 16k Hz*/{ -1.1844379135e+00, 1.0922189568e+00, 1.7585210768e-01 },};static sIIRCoefficients iir_cf10_16000[] __attribute__((aligned)) = { /* 31 Hz*/{ 9.9142885790e-01, 4.2855710504e-03, 1.9912812966e+00 }, /* 62 Hz*/{ 9.8293118010e-01, 8.5344099512e-03, 1.9823434752e+00 }, /* 125 Hz*/{ 9.6588546081e-01, 1.7057269597e-02, 1.9635174657e+00 }, /* 250 Hz*/{ 9.3293473908e-01, 3.3532630460e-02, 1.9236271300e+00 }, /* 500 Hz*/{ 8.7036769704e-01, 6.4816151479e-02, 1.8344291062e+00 }, /* 1k Hz*/{ 7.5755317065e-01, 1.2122341468e-01, 1.6237674017e+00 }, /* 2k Hz*/{ 5.7422402554e-01, 2.1288798723e-01, 1.1131444836e+00 }, /* 4k Hz*/{ 3.3730698905e-01, 3.3134650547e-01, 8.1883731790e-17 }, /* 8k Hz*/{ 3.3730698905e-01, 3.3134650547e-01, -1.3373069891e+00 }, /* 16k Hz*/{ -7.3760117555e+00, 4.1880058777e+00, -6.3760117555e+00 },};static sIIRCoefficients iir_cf10_22050[] __attribute__((aligned)) = { /* 31 Hz*/{ 9.9377323686e-01, 3.1133815717e-03, 1.9936954495e+00 }, /* 62 Hz*/{ 9.8758524689e-01, 6.2073765555e-03, 1.9872750693e+00 }, /* 125 Hz*/{ 9.7512812040e-01, 1.2435939802e-02, 1.9738753198e+00 }, /* 250 Hz*/{ 9.5087485437e-01, 2.4562572817e-02, 1.9459267562e+00 }, /* 500 Hz*/{ 9.0416308662e-01, 4.7918456688e-02, 1.8848691023e+00 }, /* 1k Hz*/{ 8.1751373987e-01, 9.1243130064e-02, 1.7442229115e+00 }, /* 2k Hz*/{ 6.6840529852e-01, 1.6579735074e-01, 1.4047189863e+00 }, /* 4k Hz*/{ 4.4858358977e-01, 2.7570820511e-01, 6.0517475334e-01 }, /* 8k Hz*/{ 2.4198119087e-01, 3.7900940457e-01, -8.0845085113e-01 }, /* 16k Hz*/{ -1.2157171596e+00, 1.1078585798e+00, 3.2910548979e-02 },};#endifstatic sIIRCoefficients iir_cf10_32000[] __attribute__((aligned)) = { /* 31 Hz*/{ 9.9570520792e-01, 2.1473960411e-03, 1.9956682380e+00 }, /* 62 Hz*/{ 9.9142885790e-01, 4.2855710504e-03, 1.9912812966e+00 }, /* 125 Hz*/{ 9.8279471928e-01, 8.6026403580e-03, 1.9821975386e+00 }, /* 250 Hz*/{ 9.6588546081e-01, 1.7057269597e-02, 1.9635174657e+00 }, /* 500 Hz*/{ 9.3293473908e-01, 3.3532630460e-02, 1.9236271300e+00 }, /* 1k Hz*/{ 8.7036769704e-01, 6.4816151479e-02, 1.8344291062e+00 }, /* 2k Hz*/{ 7.5755317065e-01, 1.2122341468e-01, 1.6237674017e+00 }, /* 4k Hz*/{ 5.7422402554e-01, 2.1288798723e-01, 1.1131444836e+00 }, /* 8k Hz*/{ 3.3730698905e-01, 3.3134650547e-01, 8.1883731790e-17 }, /* 16k Hz*/{ 3.3730698905e-01, 3.3134650547e-01, -1.3373069891e+00 },};static sIIRCoefficients iir_cf10_44100[] __attribute__((aligned)) = { /* 31 Hz*/{ 9.9688176273e-01, 1.5591186337e-03, 1.9968622855e+00 }, /* 62 Hz*/{ 9.9377323686e-01, 3.1133815717e-03, 1.9936954495e+00 }, /* 125 Hz*/{ 9.8748575691e-01, 6.2571215431e-03, 1.9871705722e+00 }, /* 250 Hz*/{ 9.7512812040e-01, 1.2435939802e-02, 1.9738753198e+00 }, /* 500 Hz*/{ 9.5087485437e-01, 2.4562572817e-02, 1.9459267562e+00 }, /* 1k Hz*/{ 9.0416308662e-01, 4.7918456688e-02, 1.8848691023e+00 }, /* 2k Hz*/{ 8.1751373987e-01, 9.1243130064e-02, 1.7442229115e+00 }, /* 4k Hz*/{ 6.6840529852e-01, 1.6579735074e-01, 1.4047189863e+00 }, /* 8k Hz*/{ 4.4858358977e-01, 2.7570820511e-01, 6.0517475334e-01 }, /* 16k Hz*/{ 2.4198119087e-01, 3.7900940457e-01, -8.0845085113e-01 },};static sIIRCoefficients iir_cf10_48000[] __attribute__((aligned)) = { /* 31 Hz*/{ 9.9713475915e-01, 1.4326204244e-03, 1.9971183163e+00 }, /* 62 Hz*/{ 9.9427771143e-01, 2.8611442874e-03, 1.9942120343e+00 }, /* 125 Hz*/{ 9.8849666727e-01, 5.7516663664e-03, 1.9882304829e+00 }, /* 250 Hz*/{ 9.7712566171e-01, 1.1437169144e-02, 1.9760670839e+00 }, /* 500 Hz*/{ 9.5477456091e-01, 2.2612719547e-02, 1.9505892385e+00 }, /* 1k Hz*/{ 9.1159452679e-01, 4.4202736607e-02, 1.8952405706e+00 }, /* 2k Hz*/{ 8.3100647694e-01, 8.4496761532e-02, 1.7686164442e+00 }, /* 4k Hz*/{ 6.9062328809e-01, 1.5468835596e-01, 1.4641227157e+00 }, /* 8k Hz*/{ 4.7820368352e-01, 2.6089815824e-01, 7.3910184176e-01 }, /* 16k Hz*/{ 2.5620076154e-01, 3.7189961923e-01, -6.2810038077e-01 },};#ifdef _UNUSED_static sIIRCoefficients iir_cf15_44100[] __attribute__((aligned)) = { /* 25 Hz*/{ 9.9834072702e-01, 8.2963648917e-04, 1.9983280505e+00 }, /* 40 Hz*/{ 9.9734652663e-01, 1.3267366865e-03, 1.9973140908e+00 }, /* 63 Hz*/{ 9.9582396353e-01, 2.0880182333e-03, 1.9957435641e+00 }, /* 100 Hz*/{ 9.9337951306e-01, 3.3102434709e-03, 1.9931771947e+00 }, /* 160 Hz*/{ 9.8942832039e-01, 5.2858398053e-03, 1.9889114258e+00 }, /* 250 Hz*/{ 9.8353109588e-01, 8.2344520610e-03, 1.9822729654e+00 }, /* 400 Hz*/{ 9.7378088082e-01, 1.3109559588e-02, 1.9705764276e+00 }, /* 630 Hz*/{ 9.5901979676e-01, 2.0490101620e-02, 1.9511333590e+00 }, /* 1k Hz*/{ 9.3574903986e-01, 3.2125480071e-02, 1.9161350100e+00 }, /* 1.6k Hz*/{ 8.9923630641e-01, 5.0381846793e-02, 1.8501014162e+00 }, /* 2.5k Hz*/{ 8.4722457681e-01, 7.6387711593e-02, 1.7312785699e+00 }, /* 4k Hz*/{ 7.6755471307e-01, 1.1622264346e-01, 1.4881981417e+00 }, /* 6.3k Hz*/
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