/* Testing new synth module Rectifier * https://forum.pjrc.com/threads/61384?p=243547&viewfull=1#post243547 * * Copyright 2020 Bradley Sanders. This is free software under GPL2. * Based on Revalogics vocoder and incorporating new Rectifier module * to generate dc control voltages * * Teensy 4.0 or higher is required to run this example. It uses * about 31% of the CPU time on Teensy 4.0 when running at 600 MHz. */ #include const int myInput = AUDIO_INPUT_LINEIN; // GUItool: begin automatically generated code AudioInputI2S i2s2; //xy=138.22221755981445,1116.9999799728394 AudioMixer4 mixer1; //xy=303,1125 AudioMixer4 mixer2; //xy=303,1187 AudioFilterStateVariable filter39; //xy=468,1259 AudioFilterStateVariable filter41; //xy=469,1306 AudioFilterStateVariable filter43; //xy=469,1351 AudioFilterStateVariable filter45; //xy=469,1397 AudioFilterStateVariable filter47; //xy=469,1443 AudioFilterStateVariable filter49; //xy=469,1489 AudioFilterStateVariable filter51; //xy=469,1535 AudioFilterStateVariable filter1; //xy=476,727 AudioFilterStateVariable filter3; //xy=476,773 AudioFilterStateVariable filter5; //xy=476,818 AudioFilterStateVariable filter7; //xy=476,864 AudioFilterStateVariable filter9; //xy=476,910 AudioFilterStateVariable filter11; //xy=476,956 AudioFilterStateVariable filter13; //xy=476,1002 AudioFilterStateVariable filter40; //xy=606,1260 AudioFilterStateVariable filter42; //xy=608,1305 AudioFilterStateVariable filter44; //xy=608,1350 AudioFilterStateVariable filter46; //xy=608,1396 AudioFilterStateVariable filter48; //xy=608,1442 AudioFilterStateVariable filter50; //xy=608,1488 AudioFilterStateVariable filter52; //xy=608,1534 AudioFilterStateVariable filter2; //xy=615,726 AudioFilterStateVariable filter4; //xy=615,772 AudioFilterStateVariable filter6; //xy=615,817 AudioFilterStateVariable filter8; //xy=615,863 AudioFilterStateVariable filter10; //xy=615,909 AudioFilterStateVariable filter12; //xy=615,955 AudioFilterStateVariable filter14; //xy=615,1001 AudioAnalyzePeak peak21; //xy=622.8888740539551,1154.777837753296 AudioAnalyzePeak peak20; //xy=625.111083984375,1121.3332829475403 AudioEffectRectifier Rect5; //xy=749,908 AudioEffectRectifier Rect7; //xy=749,995 AudioEffectRectifier Rect4; //xy=750,865 AudioEffectRectifier Rect6; //xy=751,955 AudioEffectRectifier Rect2; //xy=753,774 AudioEffectRectifier Rect3; //xy=754,819 AudioEffectRectifier Rect1; //xy=755,725 AudioEffectMultiply multiply2; //xy=758,1257 AudioEffectMultiply multiply3; //xy=758,1311 AudioEffectMultiply multiply6; //xy=758,1447 AudioEffectMultiply multiply7; //xy=758,1493 AudioEffectMultiply multiply4; //xy=759,1358 AudioEffectMultiply multiply8; //xy=759,1539 AudioEffectMultiply multiply5; //xy=760,1402 AudioMixer4 mixer3; //xy=841,1638 AudioMixer4 mixer4; //xy=842,1700 AudioFilterBiquad biquad4; //xy=888,774 AudioFilterBiquad biquad3; //xy=889,724 AudioFilterBiquad biquad6; //xy=889,863 AudioFilterBiquad biquad9; //xy=889,995 AudioFilterBiquad biquad7; //xy=890,909 AudioFilterBiquad biquad8; //xy=890,955 AudioFilterBiquad biquad5; //xy=891,819 AudioFilterStateVariable filter53; //xy=947,1260 AudioFilterStateVariable filter55; //xy=947,1306 AudioFilterStateVariable filter57; //xy=947,1351 AudioFilterStateVariable filter59; //xy=947,1397 AudioFilterStateVariable filter61; //xy=947,1443 AudioFilterStateVariable filter63; //xy=947,1489 AudioFilterStateVariable filter65; //xy=947,1535 AudioSynthNoiseWhite noise1; //xy=1079.222255706787,1143.2221994400024 AudioFilterStateVariable filter54; //xy=1086,1259 AudioFilterStateVariable filter56; //xy=1086,1305 AudioFilterStateVariable filter58; //xy=1086,1350 AudioFilterStateVariable filter60; //xy=1086,1396 AudioFilterStateVariable filter62; //xy=1086,1442 AudioFilterStateVariable filter64; //xy=1086,1488 AudioFilterStateVariable filter66; //xy=1086,1534 AudioFilterStateVariable filter15; //xy=1103,704 AudioFilterStateVariable filter17; //xy=1103,750 AudioFilterStateVariable filter19; //xy=1103,795 AudioFilterStateVariable filter21; //xy=1103,841 AudioFilterStateVariable filter23; //xy=1103,887 AudioFilterStateVariable filter25; //xy=1103,933 AudioFilterStateVariable filter27; //xy=1103,979 AudioEffectMultiply multiply9; //xy=1226,1257 AudioEffectMultiply multiply10; //xy=1227,1310 AudioEffectMultiply multiply11; //xy=1227,1354 AudioEffectMultiply multiply13; //xy=1228,1446 AudioEffectMultiply multiply14; //xy=1229,1493 AudioEffectMultiply multiply15; //xy=1229,1540 AudioEffectMultiply multiply12; //xy=1231,1407 AudioFilterStateVariable filter16; //xy=1242,703 AudioFilterStateVariable filter18; //xy=1242,749 AudioFilterStateVariable filter20; //xy=1242,794 AudioFilterStateVariable filter22; //xy=1242,840 AudioFilterStateVariable filter24; //xy=1242,886 AudioFilterStateVariable filter26; //xy=1242,932 AudioFilterStateVariable filter28; //xy=1242,978 AudioMixer4 mixer5; //xy=1305,1640 AudioMixer4 mixer6; //xy=1306,1702 AudioEffectRectifier Rect9; //xy=1373,748 AudioEffectRectifier Rect8; //xy=1374,704 AudioEffectRectifier Rect11; //xy=1375,841 AudioEffectRectifier Rect10; //xy=1379,795 AudioEffectRectifier Rect12; //xy=1379,888 AudioEffectRectifier Rect13; //xy=1379,932 AudioEffectRectifier Rect14; //xy=1381,982 AudioFilterBiquad biquad10; //xy=1505,706 AudioFilterBiquad biquad13; //xy=1505,842 AudioFilterBiquad biquad11; //xy=1506,748 AudioFilterBiquad biquad12; //xy=1507,795 AudioFilterBiquad biquad14; //xy=1508,888 AudioFilterBiquad biquad15; //xy=1509,932 AudioFilterBiquad biquad16; //xy=1511,980 AudioFilterStateVariable filter67; //xy=1517,1246 AudioFilterStateVariable filter69; //xy=1517,1292 AudioFilterStateVariable filter71; //xy=1517,1337 AudioFilterStateVariable filter73; //xy=1517,1383 AudioFilterStateVariable filter75; //xy=1517,1429 AudioFilterStateVariable filter77; //xy=1517,1475 AudioMixer4 mixer9; //xy=1628.1111221313477,1624.6666507720947 AudioMixer4 mixer10; //xy=1629,1700 AudioFilterStateVariable filter68; //xy=1656,1245 AudioFilterStateVariable filter70; //xy=1656,1291 AudioFilterStateVariable filter72; //xy=1656,1336 AudioFilterStateVariable filter74; //xy=1656,1382 AudioFilterStateVariable filter76; //xy=1656,1428 AudioFilterStateVariable filter78; //xy=1656,1474 AudioFilterStateVariable filter29; //xy=1749,778 AudioFilterStateVariable filter31; //xy=1749,824 AudioFilterStateVariable filter33; //xy=1749,869 AudioFilterStateVariable filter35; //xy=1749,915 AudioFilterStateVariable filter37; //xy=1749,961 AudioMixer4 mixer11; //xy=1791,1665 AudioEffectMultiply multiply21; //xy=1798,1478 AudioEffectMultiply multiply20; //xy=1799.222267150879,1427.999948501587 AudioEffectMultiply multiply17; //xy=1800,1290 AudioEffectMultiply multiply19; //xy=1800,1384 AudioEffectMultiply multiply16; //xy=1801,1242 AudioEffectMultiply multiply18; //xy=1801,1338 AudioFilterStateVariable filter30; //xy=1888,777 AudioFilterStateVariable filter32; //xy=1888,823 AudioFilterStateVariable filter34; //xy=1888,868 AudioFilterStateVariable filter36; //xy=1888,914 AudioFilterStateVariable filter38; //xy=1888,960 AudioMixer4 mixer7; //xy=1981,1346 AudioMixer4 mixer8; //xy=1980.888957977295,1405.6665725708008 AudioEffectRectifier Rect17; //xy=2018,869 AudioEffectRectifier Rect18; //xy=2018,914 AudioEffectRectifier Rect19; //xy=2020,961 AudioEffectRectifier Rect16; //xy=2021,822 AudioEffectRectifier Rect15; //xy=2022,777 AudioOutputI2S i2s1; //xy=2094.2222061157227,1631.8888421058655 AudioFilterBiquad biquad18; //xy=2154,824 AudioFilterBiquad biquad17; //xy=2158,780 AudioFilterBiquad biquad19; //xy=2158,870 AudioFilterBiquad biquad21; //xy=2158,962 AudioFilterBiquad biquad20; //xy=2159,912 //AudioOutputUSB usb1; //xy=2187.555633544922,661.6666431427002 AudioConnection patchCord1(i2s2, 1, mixer1, 0); AudioConnection patchCord2(i2s2, 0, mixer2, 0); AudioConnection patchCord3(mixer1, 0, filter1, 0); AudioConnection patchCord4(mixer1, 0, filter3, 0); AudioConnection patchCord5(mixer1, 0, filter5, 0); AudioConnection patchCord6(mixer1, 0, filter7, 0); AudioConnection patchCord7(mixer1, 0, filter9, 0); AudioConnection patchCord8(mixer1, 0, filter11, 0); AudioConnection patchCord9(mixer1, 0, filter13, 0); AudioConnection patchCord10(mixer1, 0, filter15, 0); AudioConnection patchCord11(mixer1, 0, filter17, 0); AudioConnection patchCord12(mixer1, 0, filter19, 0); AudioConnection patchCord13(mixer1, 0, filter21, 0); AudioConnection patchCord14(mixer1, 0, filter23, 0); AudioConnection patchCord15(mixer1, 0, filter25, 0); AudioConnection patchCord16(mixer1, 0, filter27, 0); AudioConnection patchCord17(mixer1, 0, filter29, 0); AudioConnection patchCord18(mixer1, 0, filter31, 0); AudioConnection patchCord19(mixer1, 0, filter33, 0); AudioConnection patchCord20(mixer1, 0, filter35, 0); AudioConnection patchCord21(mixer1, 0, filter37, 0); AudioConnection patchCord22(mixer1, peak20); //AudioConnection patchCord23(mixer1, 0, usb1, 0); AudioConnection patchCord24(mixer1, 0, i2s1, 0); AudioConnection patchCord25(mixer2, 0, filter39, 0); AudioConnection patchCord26(mixer2, 0, filter41, 0); AudioConnection patchCord27(mixer2, 0, filter43, 0); AudioConnection patchCord28(mixer2, 0, filter45, 0); AudioConnection patchCord29(mixer2, 0, filter47, 0); AudioConnection patchCord30(mixer2, 0, filter49, 0); AudioConnection patchCord31(mixer2, 0, filter51, 0); AudioConnection patchCord32(mixer2, 0, filter53, 0); AudioConnection patchCord33(mixer2, 0, filter55, 0); AudioConnection patchCord34(mixer2, 0, filter57, 0); AudioConnection patchCord35(mixer2, 0, filter59, 0); AudioConnection patchCord36(mixer2, 0, filter61, 0); AudioConnection patchCord37(mixer2, 0, filter63, 0); AudioConnection patchCord38(mixer2, 0, filter65, 0); AudioConnection patchCord39(mixer2, 0, filter67, 0); AudioConnection patchCord40(mixer2, 0, filter69, 0); AudioConnection patchCord41(mixer2, 0, filter71, 0); AudioConnection patchCord42(mixer2, 0, filter73, 0); AudioConnection patchCord43(mixer2, 0, filter75, 0); AudioConnection patchCord44(mixer2, 0, mixer11, 2); AudioConnection patchCord45(mixer2, peak21); AudioConnection patchCord46(filter39, 0, filter40, 0); AudioConnection patchCord47(filter41, 1, filter42, 0); AudioConnection patchCord48(filter43, 1, filter44, 0); AudioConnection patchCord49(filter45, 1, filter46, 0); AudioConnection patchCord50(filter47, 1, filter48, 0); AudioConnection patchCord51(filter49, 1, filter50, 0); AudioConnection patchCord52(filter51, 1, filter52, 0); AudioConnection patchCord53(filter1, 0, filter2, 0); AudioConnection patchCord54(filter3, 1, filter4, 0); AudioConnection patchCord55(filter5, 1, filter6, 0); AudioConnection patchCord56(filter7, 1, filter8, 0); AudioConnection patchCord57(filter9, 1, filter10, 0); AudioConnection patchCord58(filter11, 1, filter12, 0); AudioConnection patchCord59(filter13, 1, filter14, 0); AudioConnection patchCord60(filter40, 0, multiply2, 0); AudioConnection patchCord61(filter42, 1, multiply3, 0); AudioConnection patchCord62(filter44, 1, multiply4, 0); AudioConnection patchCord63(filter46, 1, multiply5, 0); AudioConnection patchCord64(filter48, 1, multiply6, 0); AudioConnection patchCord65(filter50, 1, multiply7, 0); AudioConnection patchCord66(filter52, 1, multiply8, 0); AudioConnection patchCord67(filter2, 0, Rect1, 0); AudioConnection patchCord68(filter4, 1, Rect2, 0); AudioConnection patchCord69(filter6, 1, Rect3, 0); AudioConnection patchCord70(filter8, 1, Rect4, 0); AudioConnection patchCord71(filter10, 1, Rect5, 0); AudioConnection patchCord72(filter12, 1, Rect6, 0); AudioConnection patchCord73(filter14, 1, Rect7, 0); AudioConnection patchCord74(Rect5, biquad7); AudioConnection patchCord75(Rect7, biquad9); AudioConnection patchCord76(Rect4, biquad6); AudioConnection patchCord77(Rect6, biquad8); AudioConnection patchCord78(Rect2, biquad4); AudioConnection patchCord79(Rect3, biquad5); AudioConnection patchCord80(Rect1, biquad3); AudioConnection patchCord81(multiply2, 0, mixer3, 0); AudioConnection patchCord82(multiply3, 0, mixer3, 1); AudioConnection patchCord83(multiply6, 0, mixer4, 0); AudioConnection patchCord84(multiply7, 0, mixer4, 1); AudioConnection patchCord85(multiply4, 0, mixer3, 2); AudioConnection patchCord86(multiply8, 0, mixer4, 2); AudioConnection patchCord87(multiply5, 0, mixer3, 3); AudioConnection patchCord88(mixer3, 0, mixer9, 0); AudioConnection patchCord89(mixer4, 0, mixer9, 1); AudioConnection patchCord90(biquad4, 0, multiply3, 1); AudioConnection patchCord91(biquad3, 0, multiply2, 1); AudioConnection patchCord92(biquad6, 0, multiply5, 1); AudioConnection patchCord93(biquad9, 0, multiply8, 1); AudioConnection patchCord94(biquad7, 0, multiply6, 1); AudioConnection patchCord95(biquad8, 0, multiply7, 1); AudioConnection patchCord96(biquad5, 0, multiply4, 1); AudioConnection patchCord97(filter53, 1, filter54, 0); AudioConnection patchCord98(filter55, 1, filter56, 0); AudioConnection patchCord99(filter57, 1, filter58, 0); AudioConnection patchCord100(filter59, 1, filter60, 0); AudioConnection patchCord101(filter61, 1, filter62, 0); AudioConnection patchCord102(filter63, 1, filter64, 0); AudioConnection patchCord103(filter65, 1, filter66, 0); AudioConnection patchCord104(noise1, 0, filter77, 0); AudioConnection patchCord105(noise1, 0, mixer2, 1); AudioConnection patchCord106(filter54, 1, multiply9, 0); AudioConnection patchCord107(filter56, 1, multiply10, 0); AudioConnection patchCord108(filter58, 1, multiply11, 0); AudioConnection patchCord109(filter60, 1, multiply12, 0); AudioConnection patchCord110(filter62, 1, multiply13, 0); AudioConnection patchCord111(filter64, 1, multiply14, 0); AudioConnection patchCord112(filter66, 1, multiply15, 0); AudioConnection patchCord113(filter15, 1, filter16, 0); AudioConnection patchCord114(filter17, 1, filter18, 0); AudioConnection patchCord115(filter19, 1, filter20, 0); AudioConnection patchCord116(filter21, 1, filter22, 0); AudioConnection patchCord117(filter23, 1, filter24, 0); AudioConnection patchCord118(filter25, 1, filter26, 0); AudioConnection patchCord119(filter27, 1, filter28, 0); AudioConnection patchCord120(multiply9, 0, mixer5, 0); AudioConnection patchCord121(multiply10, 0, mixer5, 1); AudioConnection patchCord122(multiply11, 0, mixer5, 2); AudioConnection patchCord123(multiply13, 0, mixer6, 0); AudioConnection patchCord124(multiply14, 0, mixer6, 1); AudioConnection patchCord125(multiply15, 0, mixer6, 2); AudioConnection patchCord126(multiply12, 0, mixer5, 3); AudioConnection patchCord127(filter16, 1, Rect8, 0); AudioConnection patchCord128(filter18, 1, Rect9, 0); AudioConnection patchCord129(filter20, 1, Rect10, 0); AudioConnection patchCord130(filter22, 1, Rect11, 0); AudioConnection patchCord131(filter24, 1, Rect12, 0); AudioConnection patchCord132(filter26, 1, Rect13, 0); AudioConnection patchCord133(filter28, 1, Rect14, 0); AudioConnection patchCord134(mixer5, 0, mixer9, 2); AudioConnection patchCord135(mixer6, 0, mixer9, 3); AudioConnection patchCord136(Rect9, biquad11); AudioConnection patchCord137(Rect8, biquad10); AudioConnection patchCord138(Rect11, biquad13); AudioConnection patchCord139(Rect10, biquad12); AudioConnection patchCord140(Rect12, biquad14); AudioConnection patchCord141(Rect13, biquad15); AudioConnection patchCord142(Rect14, biquad16); AudioConnection patchCord143(biquad10, 0, multiply9, 1); AudioConnection patchCord144(biquad13, 0, multiply12, 1); AudioConnection patchCord145(biquad11, 0, multiply10, 1); AudioConnection patchCord146(biquad12, 0, multiply11, 1); AudioConnection patchCord147(biquad14, 0, multiply13, 1); AudioConnection patchCord148(biquad15, 0, multiply14, 1); AudioConnection patchCord149(biquad16, 0, multiply15, 1); AudioConnection patchCord150(filter67, 1, filter68, 0); AudioConnection patchCord151(filter69, 1, filter70, 0); AudioConnection patchCord152(filter71, 1, filter72, 0); AudioConnection patchCord153(filter73, 1, filter74, 0); AudioConnection patchCord154(filter75, 2, filter76, 0); AudioConnection patchCord155(filter77, 2, filter78, 0); AudioConnection patchCord156(mixer9, 0, mixer11, 0); AudioConnection patchCord157(mixer10, 0, mixer11, 1); AudioConnection patchCord158(filter68, 1, multiply16, 0); AudioConnection patchCord159(filter70, 1, multiply17, 0); AudioConnection patchCord160(filter72, 1, multiply18, 0); AudioConnection patchCord161(filter74, 1, multiply19, 0); AudioConnection patchCord162(filter76, 1, multiply20, 0); AudioConnection patchCord163(filter78, 2, multiply21, 0); AudioConnection patchCord164(filter29, 1, filter30, 0); AudioConnection patchCord165(filter31, 1, filter32, 0); AudioConnection patchCord166(filter33, 1, filter34, 0); AudioConnection patchCord167(filter35, 1, filter36, 0); AudioConnection patchCord168(filter37, 2, filter38, 0); AudioConnection patchCord169(mixer11, 0, i2s1, 1); //AudioConnection patchCord170(mixer11, 0, usb1, 1); AudioConnection patchCord171(multiply21, 0, mixer8, 1); AudioConnection patchCord172(multiply20, 0, mixer8, 0); AudioConnection patchCord173(multiply17, 0, mixer7, 1); AudioConnection patchCord174(multiply19, 0, mixer7, 3); AudioConnection patchCord175(multiply16, 0, mixer7, 0); AudioConnection patchCord176(multiply18, 0, mixer7, 2); AudioConnection patchCord177(filter30, 1, Rect15, 0); AudioConnection patchCord178(filter32, 1, Rect16, 0); AudioConnection patchCord179(filter34, 1, Rect17, 0); AudioConnection patchCord180(filter36, 1, Rect18, 0); AudioConnection patchCord181(filter38, 1, Rect19, 0); AudioConnection patchCord182(mixer7, 0, mixer10, 0); AudioConnection patchCord183(mixer8, 0, mixer10, 1); AudioConnection patchCord184(Rect17, biquad19); AudioConnection patchCord185(Rect18, biquad20); AudioConnection patchCord186(Rect19, biquad21); AudioConnection patchCord187(Rect16, biquad18); AudioConnection patchCord188(Rect15, biquad17); AudioConnection patchCord189(biquad18, 0, multiply17, 1); AudioConnection patchCord190(biquad17, 0, multiply16, 1); AudioConnection patchCord191(biquad19, 0, multiply18, 1); AudioConnection patchCord192(biquad21, 0, multiply20, 1); AudioConnection patchCord193(biquad21, 0, multiply21, 1); AudioConnection patchCord194(biquad20, 0, multiply19, 1); AudioControlSGTL5000 sgtl5000_1; //xy=2226.777786254883,1222.6666231155396 // GUItool: end automatically generated code //--------------------------------------------------------------------------------------- void setup() { sgtl5000_1.enable(); sgtl5000_1.inputSelect(myInput); sgtl5000_1.volume(0.7); const float res = 5; // this is used as resonance value of all state variable filters // modulators const float freq[37] = { // filter frequency table, tuned to specified musical notes 110.0000000, // A2 freq[0] 123.4708253, // B2 freq[1] 138.5913155, // C#3 freq[2] 155.5634919, // D#3 freq[3] 174.6141157, // F3 freq[4] 195.9977180, // G3 freq[5] 220.0000000, // A3 freq[6] 246.9416506, // B3 freq[7] 277.1826310, // C#4 freq[8] 311.1269837, // D#4 freq[9] 349.2282314, // F4 freq[10] 391.9954360, // G4 freq[11] 440.0000000, // A4 freq[12] 493.8833013, // B4 freq[13] 554.3652620, // C#5 freq[14] 622.2539674, // D#5 freq[15] 698.4564629, // F5 freq[16] 783.9908720, // G5 freq[17] 880.0000000, // A5 freq[18] 987.7666025, // B5 freq[19] 1108.730524, // C#6 freq[20] 1244.507935, // D#6 freq[21] 1396.912926, // F6 freq[22] 1567.981744, // G6 freq[23] 1760.000000, // A6 freq[24] 1975.533205, // B6 freq[25] 2217.461048, // C#7 freq[26] 2489.015870, // D#7 freq[27] 2793.825851, // F7 freq[28] 3135.963488, // G7 freq[29] 3520.000000, // A7 freq[30] 3951.066410, // B7 freq[31] 4434.922096, // C#8 freq[32] 4978.031740, // D#8 freq[33] 5587.651703, // F8 freq[34] 6271.926976, // G8 freq[35] 7040.000000 // A8 freq[36] }; AudioMemory(64); // allocate some memory for audio library Serial.begin(115200); // initialize serial communication noise1.amplitude(0.7); // controls sibilance (hiss syllables) mixer1.gain(0, 1); // I2S left input level mixer2.gain(0, 0.7); // I2S right input level mixer2.gain(1, 0.7); // noise right input level mixer11.gain(0, 0.7); // vocoder output 1 level (low-mid freq) mixer11.gain(1, 0.7); // vocoder output 2 level (high freq) mixer11.gain(2, 0); // instrument to output mix level mixer3.gain(0,1); mixer3.gain(1,1); mixer3.gain(2,1); mixer3.gain(3,1); mixer4.gain(0,1); mixer4.gain(1,1); mixer4.gain(2,1); mixer5.gain(0,1); mixer5.gain(1,1); mixer5.gain(2,1); mixer5.gain(3,1); mixer6.gain(0,1); mixer6.gain(1,1); mixer6.gain(2,1); mixer7.gain(0,1); mixer7.gain(1,1); mixer7.gain(2,1); mixer7.gain(3,1); mixer8.gain(0,1); mixer8.gain(1,1); mixer9.gain(0,1); mixer9.gain(1,1); mixer9.gain(2,1); mixer9.gain(3,1); mixer10.gain(0,1); mixer10.gain(1,1); filter1.resonance(res); // set the resonance of the filters filter2.resonance(res); filter3.resonance(res); filter4.resonance(res); filter5.resonance(res); filter6.resonance(res); filter7.resonance(res); filter8.resonance(res); filter9.resonance(res); filter10.resonance(res); filter11.resonance(res); filter12.resonance(res); filter13.resonance(res); filter14.resonance(res); filter15.resonance(res); filter16.resonance(res); filter17.resonance(res); filter18.resonance(res); filter19.resonance(res); filter20.resonance(res); filter21.resonance(res); filter22.resonance(res); filter23.resonance(res); filter24.resonance(res); filter25.resonance(res); filter26.resonance(res); filter27.resonance(res); filter28.resonance(res); filter29.resonance(res); filter30.resonance(res); filter31.resonance(res); filter32.resonance(res); filter33.resonance(res); filter34.resonance(res); filter35.resonance(res); filter36.resonance(res); filter37.resonance(res); filter38.resonance(res); filter39.resonance(res); filter40.resonance(res); filter41.resonance(res); filter42.resonance(res); filter43.resonance(res); filter44.resonance(res); filter45.resonance(res); filter46.resonance(res); filter47.resonance(res); filter48.resonance(res); filter49.resonance(res); filter50.resonance(res); filter51.resonance(res); filter52.resonance(res); filter53.resonance(res); filter54.resonance(res); filter55.resonance(res); filter56.resonance(res); filter57.resonance(res); filter58.resonance(res); filter59.resonance(res); filter60.resonance(res); filter61.resonance(res); filter62.resonance(res); filter63.resonance(res); filter64.resonance(res); filter65.resonance(res); filter66.resonance(res); filter67.resonance(res); filter68.resonance(res); filter69.resonance(res); filter70.resonance(res); filter71.resonance(res); filter72.resonance(res); filter73.resonance(res); filter74.resonance(res); filter75.resonance(res); filter76.resonance(res); filter77.resonance(res); filter78.resonance(res); filter1.frequency(freq[0]); // set the frequencies of the filters filter2.frequency(freq[0]); // frequencies are assigned to a pair of filters because they are cascaded filter3.frequency(freq[2]); // two sets of filters are used: for voice signal analysis and instrument/synth filter filter4.frequency(freq[2]); filter5.frequency(freq[4]); filter6.frequency(freq[4]); filter7.frequency(freq[6]); filter8.frequency(freq[6]); filter9.frequency(freq[8]); filter10.frequency(freq[8]); filter11.frequency(freq[10]); filter12.frequency(freq[10]); filter13.frequency(freq[12]); filter14.frequency(freq[12]); filter15.frequency(freq[14]); filter16.frequency(freq[14]); filter17.frequency(freq[16]); filter18.frequency(freq[16]); filter19.frequency(freq[18]); filter20.frequency(freq[18]); filter21.frequency(freq[20]); filter22.frequency(freq[20]); filter23.frequency(freq[22]); filter24.frequency(freq[22]); filter25.frequency(freq[24]); filter26.frequency(freq[24]); filter27.frequency(freq[26]); filter28.frequency(freq[26]); filter29.frequency(freq[28]); filter30.frequency(freq[28]); filter31.frequency(freq[30]); filter32.frequency(freq[30]); filter33.frequency(freq[32]); filter34.frequency(freq[32]); filter35.frequency(freq[34]); filter36.frequency(freq[34]); filter37.frequency(freq[36]); filter38.frequency(freq[36]); filter39.frequency(freq[0]); filter40.frequency(freq[0]); filter41.frequency(freq[2]); filter42.frequency(freq[2]); filter43.frequency(freq[4]); filter44.frequency(freq[4]); filter45.frequency(freq[6]); filter46.frequency(freq[6]); filter47.frequency(freq[8]); filter48.frequency(freq[8]); filter49.frequency(freq[10]); filter50.frequency(freq[10]); filter51.frequency(freq[12]); filter52.frequency(freq[12]); filter53.frequency(freq[14]); filter54.frequency(freq[14]); filter55.frequency(freq[16]); filter56.frequency(freq[16]); filter57.frequency(freq[18]); filter58.frequency(freq[18]); filter59.frequency(freq[20]); filter60.frequency(freq[20]); filter61.frequency(freq[22]); filter62.frequency(freq[22]); filter63.frequency(freq[24]); filter64.frequency(freq[24]); filter65.frequency(freq[26]); filter66.frequency(freq[26]); filter67.frequency(freq[28]); filter68.frequency(freq[28]); filter69.frequency(freq[30]); filter70.frequency(freq[30]); filter71.frequency(freq[32]); filter72.frequency(freq[32]); filter73.frequency(freq[34]); filter74.frequency(freq[34]); filter75.frequency(freq[36]); filter76.frequency(freq[36]); filter77.frequency(freq[36]); // last pair of filters are used for sibilance filter78.frequency(freq[36]); // input is a white noise, instead of instrument/synth biquad3.setLowpass(0, 90, 0.53); biquad3.setLowpass(1, 90, 0.707); biquad3.setLowpass(2, 60, 0.53); biquad3.setLowpass(3, 80, 0.707); biquad4.setLowpass(0, 200, 0.53); biquad4.setLowpass(1, 200, 0.707); biquad4.setLowpass(2, 60, 0.53); biquad4.setLowpass(3, 160, 0.707); biquad5.setLowpass(0, 200, 0.53); biquad5.setLowpass(1, 200, 0.707); biquad5.setLowpass(2, 60, 0.53); biquad5.setLowpass(3, 160, 0.707); biquad6.setLowpass(0, 200, 0.53); biquad6.setLowpass(1, 200, 0.707); biquad6.setLowpass(2, 60, 0.53); biquad6.setLowpass(3, 160, 0.707); biquad7.setLowpass(0, 200, 0.53); biquad7.setLowpass(1, 200, 0.707); biquad7.setLowpass(2, 60, 0.53); biquad7.setLowpass(3, 160, 0.707); biquad8.setLowpass(0, 200, 0.53); biquad8.setLowpass(1, 200, 0.707); biquad8.setLowpass(2, 60, 0.53); biquad8.setLowpass(3, 160, 0.707); biquad9.setLowpass(0, 200, 0.53); biquad9.setLowpass(1, 200, 0.707); biquad9.setLowpass(2, 60, 0.53); biquad9.setLowpass(3, 160, 0.707); biquad10.setLowpass(0, 200, 0.53); biquad10.setLowpass(1, 200, 0.707); biquad10.setLowpass(2, 60, 0.53); biquad10.setLowpass(3, 160, 0.707); biquad11.setLowpass(0, 200, 0.53); biquad11.setLowpass(1, 200, 0.707); biquad11.setLowpass(2, 60, 0.53); biquad11.setLowpass(3, 160, 0.707); biquad12.setLowpass(0, 200, 0.53); biquad12.setLowpass(1, 200, 0.707); biquad12.setLowpass(2, 60, 0.53); biquad12.setLowpass(3, 160, 0.707); biquad13.setLowpass(0, 200, 0.53); biquad13.setLowpass(1, 200, 0.707); biquad13.setLowpass(2, 60, 0.53); biquad13.setLowpass(3, 160, 0.707); biquad14.setLowpass(0, 200, 0.53); biquad14.setLowpass(1, 200, 0.707); biquad14.setLowpass(2, 60, 0.53); biquad14.setLowpass(3, 160, 0.707); biquad15.setLowpass(0, 200, 0.53); biquad15.setLowpass(1, 200, 0.707); biquad15.setLowpass(2, 60, 0.53); biquad15.setLowpass(3, 160, 0.707); biquad16.setLowpass(0, 200, 0.53); biquad16.setLowpass(1, 200, 0.707); biquad16.setLowpass(2, 60, 0.53); biquad16.setLowpass(3, 160, 0.707); biquad17.setLowpass(0, 200, 0.53); biquad17.setLowpass(1, 200, 0.707); biquad17.setLowpass(2, 60, 0.53); biquad17.setLowpass(3, 160, 0.707); biquad18.setLowpass(0, 200, 0.53); biquad18.setLowpass(1, 200, 0.707); biquad18.setLowpass(2, 60, 0.53); biquad18.setLowpass(3, 160, 0.707); biquad19.setLowpass(0, 200, 0.53); biquad19.setLowpass(1, 200, 0.707); biquad19.setLowpass(2, 60, 0.53); biquad19.setLowpass(3, 160, 0.707); biquad20.setLowpass(0, 200, 0.53); biquad20.setLowpass(1, 200, 0.707); biquad20.setLowpass(2, 60, 0.53); biquad20.setLowpass(3, 160, 0.707); biquad21.setLowpass(0, 200, 0.53); biquad21.setLowpass(1, 200, 0.707); biquad21.setLowpass(2, 60, 0.53); biquad21.setLowpass(3, 160, 0.707); } void loop() { Serial.print(AudioProcessorUsage()); Serial.print("/"); Serial.print(AudioProcessorUsageMax()); Serial.println(""); AudioProcessorUsageMaxReset(); delay(100); }