515 lines
16 KiB
C++
515 lines
16 KiB
C++
#ifndef __PAF_SYNTH_AUDIO_APP_HPP__
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#define __PAF_SYNTH_AUDIO_APP_HPP__
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#include "src/memllib/audio/AudioAppBase.hpp" // Added missing include
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#include "src/memllib/synth/maximilian.h" // Added missing include for maxiSettings, maxiOsc, maxiTrigger, maxiDelayline, maxiEnvGen, maxiLine
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#include <cstddef>
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#include <cstdint>
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#include <memory> // Added for std::shared_ptr
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#include "src/memllib/synth/maxiPAF.hpp"
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#include "src/memllib/synth/ADSRLite.hpp"
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#include "src/memllib/interface/InterfaceBase.hpp" // Added missing include
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#include <span>
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// #define ARPEGGIATOR
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template<size_t NPARAMS=33>
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// template<size_t NPARAMS=1>
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class PAFSynthAudioApp : public AudioAppBase<NPARAMS>
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{
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public:
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static constexpr size_t kN_Params = NPARAMS;
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static constexpr size_t nFREQs = 17;
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static constexpr float frequencies[nFREQs] = {100, 200, 400,800, 400, 800, 100,1600,100,400,100,50,1600,200,100,800,400};
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using VoiceSpaceFn = std::function<void(const std::array<float, NPARAMS>&)>;
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struct VoiceSpace {
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char name[16]="default";
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VoiceSpaceFn mappingFunction = nullptr;
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};
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std::array<VoiceSpace, 2> voiceSpaces;
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VoiceSpaceFn currentVoiceSpace;
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PAFSynthAudioApp() : AudioAppBase<NPARAMS>() {
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#if 0
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auto voiceSpace1 = [this](const std::array<float, NPARAMS>& params) {
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p0Gain=1.f;
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p1Gain=1.f;
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p2Gain=0.f;
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p3Gain=0.f;
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detune1 = 2.0f;
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detune2 = 1.0f;
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detune3 = 1.0f;
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paf0_cf = (params[2] * 1.f);
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paf1_cf = (params[3] * 1.f);
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// paf2_cf = (params[4] * params[4] * 1.f);
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// paf3_cf = (params[21] * params[21] * 1.f);
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paf0_bw = 10.f + (params[5] * 200.f);
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paf1_bw = 10.f + (params[6] * 200.f);
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// paf2_bw = 0.1f + (params[7] * 2.f);
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// paf3_bw = 0.1f + (params[22] * 2.f);
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paf0_vib = params[8] * params[8] * 0.05f;
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paf1_vib = (params[9] * params[9] * 0.05f);
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// paf2_vib = (params[10] * params[10] * 0.99f);
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// paf3_vib = (params[23] * params[23] * 0.99f);
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paf0_vfr = (params[11] * params[11]* 5.0f);
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paf1_vfr = (params[12] * params[12] * 5.f);
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// paf2_vfr = (params[13] * params[13] * 10.f);
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// paf3_vfr = (params[24] * params[24] * 10.f);
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paf0_shift = -50.f + (params[14] * 100.f);
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paf1_shift = -50.f + (params[15] * 100.f);
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// paf2_shift = (params[16] * 1000.f);
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// paf3_shift = (params[25] * 1000.f);
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dl1mix = params[17] * params[17] * 0.8f;
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// dl2mix = params[18] * params[18] * 0.4f;
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// detune = 1.0f + (params[18] * 0.1);
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// euclidN = static_cast<size_t>(2 + (params[19] * 5));
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dlfb = params[19] * 0.9f;
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env.setup(params[30] * 200.f,params[20] * params[20] * 500.f,0.01 + (params[31] * 0.5f), params[32] * 500.f, sampleRatef );
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sineShapeGain = params[26] * params[26];
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sineShapeASym = params[27] * params[27] * 0.1f;
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sineShapeMix = params[28];
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rmGain = params[29] * params[29];
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feedbackGain = 0.0f;
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delayMax=1000;
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fbSmoothAlpha=0.f;
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};
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auto voiceSpace2 = [this](const std::array<float, NPARAMS>& params) {
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p0Gain=1.f;
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p1Gain=1.f;
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p2Gain=1.f;
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p3Gain=1.f;
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detune1 = 2.0f;
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detune2 = 0.5f;
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detune3 = 1.0f;
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paf0_cf = (params[2] * 1.f);
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paf1_cf = (params[3] * 1.f);
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paf2_cf = (params[4] * 1.f);
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paf3_cf = (params[21] * 1.f);
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paf0_bw = 10.f + (params[5] * 400.f);
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paf1_bw = 10.f + (params[6] * 300.f);
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paf2_bw = 10.f + (params[7] * 200.f);
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paf3_bw = 10.f + (params[22] * 100.f);
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paf0_vib = params[8] * params[8] * 0.1f;
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paf1_vib = (params[9] * params[9] * 0.05f);
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paf2_vib = (params[10] * params[10] * 0.05);
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paf3_vib = (params[23] * params[23] * 0.05f);
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paf0_vfr = (params[11] * params[11]* 5.0f);
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paf1_vfr = (params[12] * params[12] * 5.f);
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paf2_vfr = (params[13] * params[13] * 10.f);
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paf3_vfr = (params[24] * params[24] * 10.f);
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paf0_shift = -50.f + (params[14] * 200.f);
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paf1_shift = -50.f + (params[15] * 200.f);
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paf2_shift = -50.f + (params[16] * 300.f);
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paf3_shift = -50.f + (params[25] * 400.f);
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dl1mix = params[17] * params[17] * 0.3f;
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// euclidN = static_cast<size_t>(2 + (params[19] * 5));
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dlfb = params[19] * 0.95f;
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env.setup(params[30] * 200.f,params[20] * params[20] * 500.f,0.01 + (params[31] * 0.5f), params[32] * 500.f, sampleRatef );
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sineShapeGain = params[26] * params[26];
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sineShapeASym = params[27] * params[27] * 0.2f;
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sineShapeMix = params[28];
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rmGain = params[29] * params[29];
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feedbackGain = 0.01f;
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delayMax=3000;
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fbSmoothAlpha=0.94f;
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};
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auto voiceSpacePerc = [this](const std::array<float, NPARAMS>& params) {
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p0Gain=1.f;
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p1Gain=1.f;
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p2Gain=1.f;
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p3Gain=1.f;
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detune1 = 1.0f;
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detune2 = 1.1f;
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detune3 = 1.2f;
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paf0_cf = (params[2] * 2.f);
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paf1_cf = (params[3] * 2.f);
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paf2_cf = (params[4] * 2.f);
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paf3_cf = (params[21] * 2.f);
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paf0_bw = 10.f + (params[5] * 400.f);
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paf1_bw = 10.f + (params[6] * 50.f);
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paf2_bw = 10.f + (params[7] * 50.f);
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paf3_bw = 10.f + (params[22] * 100.f);
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paf0_vib = params[8] * params[8] * 0.01f;
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paf1_vib = (params[9] * params[9] * 0.01f);
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paf2_vib = (params[10] * params[10] * 0.01);
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paf3_vib = (params[23] * params[23] * 0.01f);
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paf0_vfr = (params[11] * params[11]* 15.0f);
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paf1_vfr = (params[12] * params[12] * 15.f);
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paf2_vfr = (params[13] * params[13] * 15.f);
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paf3_vfr = (params[24] * params[24] * 15.f);
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paf0_shift = -500.f + (params[14] * 500.f);
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paf1_shift = -300.f + (params[15] * 300.f);
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paf2_shift = -300.f + (params[16] * 300.f);
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paf3_shift = -300.f + (params[25] * 300.f);
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dl1mix = params[17] * params[17] * 0.5f;
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// euclidN = static_cast<size_t>(2 + (params[19] * 5));
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dlfb = params[19] * 0.95f;
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env.setup(params[30] * 1.f,params[20] * params[20] * 100.f,0.01 + (params[31] * 0.1f), params[32] * params[32] * 300.f, sampleRatef );
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sineShapeGain = params[26];
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sineShapeASym = params[27]* 0.5f;
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sineShapeMix = params[28];
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rmGain = params[29];
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feedbackGain = 0.1f;
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delayMax=178;
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fbSmoothAlpha=0.5f;
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};
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voiceSpaces[0] = {"default", voiceSpace1};
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voiceSpaces[1] = {"bright", voiceSpace2};
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voiceSpaces[2] = {"perc", voiceSpacePerc};
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currentVoiceSpace = voiceSpaces[2].mappingFunction;
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#endif
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auto voiceSpaceSingle1 = [this](const std::array<float, NPARAMS>& params) {
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p0Gain=1.f;
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p1Gain=0.f;
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p2Gain=0.f;
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p3Gain=0.f;
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detune1 = 1.0f;
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detune2 = 1.1f;
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detune3 = 1.2f;
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paf0_cf = (params[0] * 2.f);
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paf0_bw = 10.f + (params[0] * 400.f);
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// paf1_bw = 10.f + (params[6] * 50.f);
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// paf2_bw = 10.f + (params[7] * 50.f);
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// paf3_bw = 10.f + (params[22] * 100.f);
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paf0_vib = 0.f;
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// paf1_vib = (params[9] * params[9] * 0.01f);
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// paf2_vib = (params[10] * params[10] * 0.01);
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// paf3_vib = (params[23] * params[23] * 0.01f);
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paf0_vfr = 0.f;
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// paf1_vfr = (params[12] * params[12] * 15.f);
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// paf2_vfr = (params[13] * params[13] * 15.f);
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// paf3_vfr = (params[24] * params[24] * 15.f);
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paf0_shift = -500.f + (params[0] * 500.f);
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// paf1_shift = -300.f + (params[15] * 300.f);
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// paf2_shift = -300.f + (params[16] * 300.f);
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// paf3_shift = -300.f + (params[25] * 300.f);
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dl1mix = 0.f;
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// euclidN = static_cast<size_t>(2 + (params[19] * 5));
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dlfb = 0.f;
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env.setup(params[1] * 20.f , params[2] * 200.f, params[3] * 0.4f, params[4] * 300.f, sampleRatef );
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sineShapeGain = params[5] * params[5] * 0.2f;
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sineShapeASym = 0.f;
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sineShapeMix = params[6] * 0.3f;
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rmGain = 0.f;
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feedbackGain = 0.0f;
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delayMax=1000;
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fbSmoothAlpha=0.f;
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};
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voiceSpaces[0] = {"test", voiceSpaceSingle1};
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currentVoiceSpace = voiceSpaces[0].mappingFunction;
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};
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bool __force_inline euclidean(float phase, const size_t n, const size_t k, const size_t offset, const float pulseWidth)
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{
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// Euclidean function
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const float fi = phase * n;
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int i = static_cast<int>(fi);
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const float rem = fi - i;
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if (i == n)
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{
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i--;
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}
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const int idx = ((i + n - offset) * k) % n;
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return (idx < k && rem < pulseWidth) ? 1 : 0;
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}
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// maxiOsc testosc;
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stereosample_t __force_inline Process(const stereosample_t x) override
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{
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float x1[1];
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// float p0 = testosc.sinewave(baseFreq);
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float fbsmooth = (fbzm1 * fbSmoothAlpha) + (feedback * (1.f-fbSmoothAlpha));
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fbzm1 = fbsmooth;
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float freq0 = baseFreq * (1.f + fbsmooth);
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paf0.play(x1, 1, freq0, freq0 + (paf0_cf * freq0), paf0_bw, paf0_vib, paf0_vfr, paf0_shift, 0);
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float p0 = *x1 * p0Gain;
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const float freq1 = freq0 * detune1;
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paf1.play(x1, 1, freq1, freq1 + (paf1_cf * freq1), paf1_bw, paf1_vib, paf1_vfr, paf1_shift, 1);
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const float p1 = *x1 * p1Gain;
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const float freq2 = freq1 * detune2;
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paf2.play(x1, 1, freq2, freq2 + (paf2_cf * freq2), paf2_bw, paf2_vib, paf2_vfr, paf2_shift, 1);
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const float p2 = *x1 * p2Gain;
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const float freq3 = freq2 * detune3;
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paf3.play(x1, 1, freq3, freq3 + (paf3_cf * freq3), paf3_bw * freq3, paf3_vib, paf3_vfr, paf3_shift, 1);
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const float p3 = *x1 * p3Gain;
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float y = p0 + p1 + p2 + p3;
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const float rm = p0 * p1 * p2 * p3;
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//
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y = y + (rm * rmGain);
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float shape = sinf(y * TWOPI);
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shape = sinf(((shape * TWOPI) * sineShapeGain) + sineShapeASym);
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y = y + (shape * sineShapeMix);
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#ifdef ARPEGGIATOR
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// const float ph = phasorOsc.phasor(1);
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// const bool euclidNewNote = euclidean(ph, 12, euclidN, 0, 0.1f);
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// if(zxdetect.onZX(euclidNewNote)) {
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// envamp=0.8f;
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// freqIndex++;
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// if(freqIndex >= nFREQs) {
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// freqIndex = 0;
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// }
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// baseFreq = frequencies[freqIndex];
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// }else{
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// // constexpr float envdec = 0.2f/9000.f;
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// envamp -= envdec;
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// if (envamp < 0.f) {
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// envamp = 0.f;
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// }
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// }
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#else
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// if(newNote) {
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// newNote = false;
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// envamp=0.8f;
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// }else{
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// // constexpr float envdec = 0.2f/9000.f;
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// envamp -= envdec;
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// if (envamp < 0.f) {
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// envamp = 0.f;
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// }
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// }
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#endif
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float envval = env.play();
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y = y * envval;
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// #ifndef ARPEGGIATOR
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// y *= noteVel;
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// #endif
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y = tanhf(y);
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float d1 = (dl1.play(y, delayMax, dlfb) * dl1mix);
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y = y + d1;// + d2;
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stereosample_t ret { y, y };
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feedback = y * feedbackGain;
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// frame++;
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return ret;
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}
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void Setup(float sample_rate, std::shared_ptr<InterfaceBase> interface) override
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{
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AudioAppBase<NPARAMS>::Setup(sample_rate, interface);
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maxiSettings::sampleRate = sample_rate;
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sampleRatef = static_cast<float>(sample_rate);
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paf0.init();
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paf0.setsr(maxiSettings::getSampleRate(), 1);
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paf1.init();
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paf1.setsr(maxiSettings::getSampleRate(), 1);
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paf2.init();
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paf2.setsr(maxiSettings::getSampleRate(), 1);
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paf3.init();
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paf3.setsr(maxiSettings::getSampleRate(), 1);
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arpFreq = frequencies[0];
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envamp=1.f;
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env.setup(500,500,0.8,1000,sampleRatef);
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queue_init(&qMIDINoteOn, sizeof(uint8_t)*2, 1);
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queue_init(&qMIDINoteOff, sizeof(uint8_t)*2, 1);
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}
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inline float mtof(uint8_t note) {
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// Convert MIDI note to frequency
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return 440.0f * exp2f((note - 69) / 12.0f);
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}
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void loop() override {
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uint8_t midimsg[2];
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if (firstParamsReceived && queue_try_remove(&qMIDINoteOn, &midimsg)) {
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// Serial.printf("PAFSynthAudioApp::ProcessParams - Received MIDI Note On: %d, Velocity: %d\n", midimsg[0], midimsg[1]);
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baseFreq = mtof(midimsg[0]);
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// Serial.printf("PAFSynthAudioApp::loop - Note On: %d, Freq: %.2f Hz, Velocity: %d\n", midimsg[0], baseFreq, midimsg[1]);
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noteVel = midimsg[1] / 127.0f; // Normalize velocity to [0, 1]
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noteVel = noteVel * noteVel; // Square the velocity for more pronounced effect
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newNote = true;
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env.trigger(noteVel);
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}
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if (firstParamsReceived && queue_try_remove(&qMIDINoteOff, &midimsg)) {
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// Serial.printf("PAFSynthAudioApp::ProcessParams - Received MIDI Note On: %d, Velocity: %d\n", midimsg[0], midimsg[1]);
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env.release();
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}
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AudioAppBase<NPARAMS>::loop();
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}
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void ProcessParams(const std::array<float, NPARAMS>& params)
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{
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firstParamsReceived = true;
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currentVoiceSpace(params);
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}
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queue_t qMIDINoteOn, qMIDINoteOff;
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protected:
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maxiPAFOperator paf0;
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maxiPAFOperator paf1;
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maxiPAFOperator paf2;
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maxiPAFOperator paf3;
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maxiDelayline<10000> dl1;
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// maxiDelayline<15100> dl2;
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maxiOsc pulse;
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ADSRLite env;
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float frame=0;
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float feedback=0.f, feedbackGain=0.f;
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float p0Gain=1.f, p1Gain = 1.f, p2Gain=1.f, p3Gain=1.f;
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float paf0_freq = 100;
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float paf1_freq = 100;
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float paf2_freq = 50;
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float paf3_freq = 50;
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float paf0_cf = 200;
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float paf1_cf = 250;
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float paf2_cf = 250;
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float paf3_cf = 250;
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float paf0_bw = 100;
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float paf1_bw = 5000;
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float paf2_bw = 5000;
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float paf3_bw = 5000;
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float paf0_vib = 0;
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float paf1_vib = 1;
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float paf2_vib = 1;
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float paf3_vib = 1;
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float paf0_vfr = 2;
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float paf1_vfr = 2;
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float paf2_vfr = 2;
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float paf3_vfr = 2;
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float paf0_shift = 0;
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float paf1_shift = 0;
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float paf2_shift = 0;
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float paf3_shift = 0;
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float dl1mix = 0.0f;
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float dl2mix = 0.0f;
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float dlfb = 0.5f;
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float rmGain = 0.f;
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float sineShapeGain=0.1;
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float sineShapeASym = 0.f;
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float sineShapeMix = 0.f;
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float sineShapeMixInv = 1.f;
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size_t counter=0;
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size_t freqIndex = 0;
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size_t freqOffset = 0;
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float arpFreq=50;
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maxiLine line;
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float envamp=0.f;
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float detune1 = 1.0;
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float detune2 = 1.0;
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float detune3 = 1.0;
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maxiOsc phasorOsc;
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maxiTrigger zxdetect;
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size_t euclidN=4;
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float baseFreq = 50.0f; // Base frequency for the synth
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bool newNote=false;
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float noteVel = 0.f;
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bool firstParamsReceived = false;
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float envdec=0.2f/9000.f; // Decay rate for the envelope
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float sampleRatef = maxiSettings::getSampleRate();
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float fbzm1=0.f;
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size_t delayMax=10;
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float fbSmoothAlpha=0.95f;
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};
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#endif // __PAF_SYNTH_AUDIO_APP_HPP__
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