autotune paramters, autotune in ui. UI organize

This commit is contained in:
michalcourson
2025-11-01 13:33:14 -04:00
parent 55e80b4c74
commit 3468c1f389
18 changed files with 406 additions and 712 deletions

View File

@ -7,57 +7,14 @@
#endif
class MidiPitchSmoother {
public:
MidiPitchSmoother() {
tau = .1;
dt = 2048.0f / 48000.0f;
PcorrPrev = 60.0f;
PtargPrev = 60;
}
void SetFrameTime(float frame_time) {
dt = frame_time;
}
void SetTimeConstant(float t) {
tau = t;
}
float update(float Pdet, int Ptarget) {
// Detect large jump (new note)
float diff = std::fabs(Pdet - PcorrPrev);
if (Ptarget != PtargPrev) {
// Immediately reset to new note
PcorrPrev = Pdet;
PtargPrev = Ptarget;
return PcorrPrev;
}
// Compute smoothing coefficient
float alpha = 1.0 - std::exp(-dt / tau);
// Smooth within same note
float PcorrNew = PcorrPrev + alpha * (Ptarget - PcorrPrev);
PcorrPrev = PcorrNew;
return PcorrNew;
}
private:
float tau; // Time constant (s)
float dt; // Frame time (s)
float PcorrPrev; // Previous corrected pitch (MIDI)
int PtargPrev; // Previous corrected pitch (MIDI)
};
MidiPitchSmoother out_midi_smoother;
void Shifter::SetAutoTuneSpeed(float val) {
out_midi_smoother.SetTimeConstant(val);
}
void Shifter::SetAutoTuneDepth(float val) {
out_midi_smoother.SetDepth(val);
}
static inline float mtof(float m)
{
return powf(2, (m - 69.0f) / 12.0f) * 440.0f;
@ -145,7 +102,7 @@ void Shifter::DetectPitch(const float* const* in, float** out, size_t size)
//DBG("frequency: " << 48000 / period << " fidel: " << fidel);
// Adjustable filter amount (0.0f = no filtering, 1.0f = max filtering)
static float in_period_filter_amount = 0.0f; // You can expose this as a parameter
static float in_period_filter_amount = 0.5f; // You can expose this as a parameter
if (fidel > 0.95) {
// Smoothly filter in_period changes