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delay xfades

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chriskiefer 2026-03-29 17:31:43 +01:00
parent 27a1e4e5b0
commit 041b79c202
1 changed files with 14 additions and 4 deletions
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18
modes/AudioApps/VerbFXAudioApp.hpp
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@ -20,7 +20,7 @@
template<size_t NPARAMS=46> template<size_t NPARAMS=48>
class VerbFXAudioApp : public AudioAppBase<NPARAMS> class VerbFXAudioApp : public AudioAppBase<NPARAMS>
{ {
public: public:
@ -154,6 +154,9 @@ public:
filterBankDelayXFade = smoothParams[45]; filterBankDelayXFade = smoothParams[45];
delayMorph = smoothParams[46];
delayBlend = smoothParams[47];
//XFADE //XFADE
const float filterBankDelayFBLevel = sqrtf(filterBankDelayXFade); const float filterBankDelayFBLevel = sqrtf(filterBankDelayXFade);
@ -174,7 +177,7 @@ public:
filterBankOut += filterBank6.bandpassChamberlain(filterBankIn, filterBankF6, filterBankRes6); filterBankOut += filterBank6.bandpassChamberlain(filterBankIn, filterBankF6, filterBankRes6);
filterBankOut += filterBank7.bandpassChamberlain(filterBankIn, filterBankF7, filterBankRes7); filterBankOut += filterBank7.bandpassChamberlain(filterBankIn, filterBankF7, filterBankRes7);
filterBankOut *= 0.5f; filterBankOut *= 0.125f;
} }
////////////// DELAYS ////////////// DELAYS
@ -189,7 +192,13 @@ public:
float delayed2 = enableShortDelay ? ddelay2.read(ddelayTime2) : 0.f; float delayed2 = enableShortDelay ? ddelay2.read(ddelayTime2) : 0.f;
ddelay2.write(delayIn + (ddelayFeedback2 * delayed2)); ddelay2.write(delayIn + (ddelayFeedback2 * delayed2));
float delaySum = delayed + delayed1 + delayed2; float a = fminf(delayMorph * 2.f, 1.f);
float b = fmaxf(delayMorph * 2.f - 1.f, 0.f);
constexpr float kEqualMix = 0.57735f; // 1/sqrt(3), constant-power equal mix
float w_short = kEqualMix + delayBlend * (sqrtf(1.f - a) - kEqualMix);
float w_medium = kEqualMix + delayBlend * (sqrtf(a) * sqrtf(1.f - b) - kEqualMix);
float w_long = kEqualMix + delayBlend * (sqrtf(a) * sqrtf(b) - kEqualMix);
float delaySum = (w_short * delayed2) + (w_medium * delayed1) + (w_long * delayed);
//////////////// VERB //////////////// VERB
float verbIn = enableReverb ? filterBankOut : 0.f; float verbIn = enableReverb ? filterBankOut : 0.f;
@ -226,7 +235,7 @@ public:
// Mix dry // Mix dry
y = sqrtf(y * wetdry_mix_) + sqrtf(mix * (1.f - wetdry_mix_)); y = (y * sqrtf(wetdry_mix_)) + (mix * sqrtf(1.f - wetdry_mix_));
stereosample_t ret { y, y }; stereosample_t ret { y, y };
@ -344,6 +353,7 @@ protected:
float ddelayTime1{0}, ddelayFeedback1{0}; float ddelayTime1{0}, ddelayFeedback1{0};
float ddelayTime2{0}, ddelayFeedback2{0}; float ddelayTime2{0}, ddelayFeedback2{0};
float verbVsDelayLevel{0}, delayToVerbLevel{0}, filterBankDelayXFade{0}; float verbVsDelayLevel{0}, delayToVerbLevel{0}, filterBankDelayXFade{0};
float delayMorph{0.5f}, delayBlend{0.f};
OnePoleSmoother<kN_Params> smoother{150.f, kSampleRate}; OnePoleSmoother<kN_Params> smoother{150.f, kSampleRate};