audio/chromaflock
2
0
Fork 0
mirror of https://codeberg.org/armin/chromaflock.git synced 2026-09-01 04:10:47 +02:00
Code Issues Projects Releases Packages Wiki Activity

Tune synth down one octave; add LFO1/LFO2 OSC2 phase destination

Browse source
This commit is contained in:
Armin 2026-07-15 23:51:58 +02:00
commit a8928fc6a4
3 changed files with 13 additions and 4 deletions
Download patch file Download diff file Expand all files Collapse all files

2
Source/DSP/LFO.h
View file

@ -1,7 +1,7 @@
#pragma once
#include <cmath>
enum class LFODest { FilterCutoff = 0, OSC1Freq, OSC2Freq, BothOsc };
enum class LFODest { FilterCutoff = 0, OSC1Freq, OSC2Freq, BothOsc, OSC2Phase };
enum class LFOShape { Sine = 0, Triangle, Saw, Square };
class LFO {

13
Source/DSP/Voice.h
View file

@ -38,9 +38,11 @@ public:
lfo2.reset();
baseFreq1 = 440.0f * std::pow(2.0f, (static_cast<float>(midiNoteNumber) - 69.0f) / 12.0f)
* std::pow(2.0f, semitone1 / 12.0f + fineTune1 / 1200.0f) * std::pow(2.0f, octave1);
* std::pow(2.0f, semitone1 / 12.0f + fineTune1 / 1200.0f) * std::pow(2.0f, octave1)
* globalTune;
baseFreq2 = 440.0f * std::pow(2.0f, (static_cast<float>(midiNoteNumber) - 69.0f) / 12.0f)
* std::pow(2.0f, semitone2 / 12.0f + fineTune2 / 1200.0f) * std::pow(2.0f, octave2);
* std::pow(2.0f, semitone2 / 12.0f + fineTune2 / 1200.0f) * std::pow(2.0f, octave2)
* globalTune;
osc1.setFrequency(baseFreq1);
osc2.setFrequency(baseFreq2);
@ -113,6 +115,12 @@ public:
osc1.setFrequency(freq1);
osc2.setFrequency(freq2);
// Apply LFO to OSC2 phase (vibrato-style phase sweep)
if (lfo1Depth > 0.001f && lfo1Dest == LFODest::OSC2Phase)
osc2.setPhase(phaseOffset2 + lfo1Out * 0.5f);
if (lfo2Depth > 0.001f && lfo2Dest == LFODest::OSC2Phase)
osc2.setPhase(phaseOffset2 + lfo2Out * 0.5f);
float left = 0.0f, right = 0.0f;
osc1.process(&left, &right);
osc2.process(&left, &right);
@ -243,6 +251,7 @@ private:
float outputLevel = 0.8f;
float baseFreq1 = 440.0f;
float baseFreq2 = 440.0f;
float globalTune = 0.5f; // synth tuned down one octave (1/2 of normal pitch)
float lfo1Depth = 0.0f;
float lfo2Depth = 0.0f;
LFODest lfo1Dest = LFODest::FilterCutoff;