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This commit is contained in:
Christopher Herb
2023-07-10 18:11:42 +02:00
parent 7c1bd1c982
commit d0fcc225a1
4 changed files with 32 additions and 20 deletions
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38
synth/tx_voice.h
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@@ -1,15 +1,15 @@
#pragma once
#include "tx_sineosc.h"
#include "../util/audio_math.h"
#include "ivoice.h"
#include "tx_envelope.h"
#include "tx_operator.h"
#include "ivoice.h"
#include "../util/audio_math.h"
#include "tx_sineosc.h"
namespace trnr {
class tx_voice : public ivoice {
public:
tx_voice()
tx_voice()
: algorithm { 0 }
, pitch_env_amt { 0.f }
, feedback_amt { 0.f }
@@ -33,23 +33,27 @@ public:
tx_operator op2;
tx_operator op3;
void note_on(int _note, float _velocity) override {
void note_on(int _note, float _velocity) override
{
this->gate = true;
this->trigger = true;
midi_note = _note;
velocity = _velocity;
}
void note_off() override {
void note_off() override
{
this->gate = false;
}
// modulates the pitch in semitones
void modulate_pitch(float _pitch) override {
void modulate_pitch(float _pitch) override
{
this->pitch_mod = _pitch;
}
float process_sample() override {
float process_sample() override
{
float pitch_env_signal = pitch_env.process_sample(gate, trigger) * pitch_env_amt;
float pitched_freq = midi_to_frequency(midi_note + pitch_mod + additional_pitch_mod) + pitch_env_signal;
@@ -82,7 +86,8 @@ public:
bool is_busy() override { return gate || op1.envelope.is_busy() || op2.envelope.is_busy() || op3.envelope.is_busy(); }
void set_samplerate(double samplerate) override {
void set_samplerate(double samplerate) override
{
pitch_env.set_samplerate(samplerate);
feedback_osc.set_samplerate(samplerate);
op1.set_samplerate(samplerate);
@@ -90,7 +95,8 @@ public:
op3.set_samplerate(samplerate);
}
void set_phase_reset(bool phase_reset) {
void set_phase_reset(bool phase_reset)
{
op1.oscillator.phase_reset = phase_reset;
op2.oscillator.phase_reset = phase_reset;
op3.oscillator.phase_reset = phase_reset;
@@ -101,7 +107,8 @@ private:
const float MOD_INDEX_COEFF = 4.f;
float pitch_mod = 0.f; // modulates pitch in semi-tones
float calc_algo1(const float frequency) {
float calc_algo1(const float frequency)
{
float fb_freq = frequency * op3.ratio;
float fb_mod_index = (feedback_amt * MOD_INDEX_COEFF);
float fb_signal = feedback_osc.process_sample(trigger, fb_freq) * fb_mod_index;
@@ -118,7 +125,8 @@ private:
return op1.process_sample(gate, trigger, op1_freq, velocity, op2_signal) * op1.amplitude;
}
float calc_algo2(const float frequency) {
float calc_algo2(const float frequency)
{
float fb_freq = frequency * op3.ratio;
float fb_mod_index = (feedback_amt * MOD_INDEX_COEFF);
float fb_signal = feedback_osc.process_sample(trigger, fb_freq) * fb_mod_index;
@@ -136,7 +144,8 @@ private:
return op1_signal + op3_signal;
}
float calc_algo3(const float frequency) {
float calc_algo3(const float frequency)
{
float fb_freq = frequency * op3.ratio;
float fb_mod_index = (feedback_amt * MOD_INDEX_COEFF);
float fb_signal = feedback_osc.process_sample(trigger, fb_freq) * fb_mod_index;
@@ -153,7 +162,8 @@ private:
return op1_signal + op2_signal + op3_signal;
}
float calc_algo4(const float frequency) {
float calc_algo4(const float frequency)
{
float fb_freq = frequency * op3.ratio;
float fb_mod_index = (feedback_amt * MOD_INDEX_COEFF);
float fb_signal = feedback_osc.process_sample(trigger, fb_freq) * fb_mod_index;