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MicroDexed
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Fixes for voice loudness.

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pull/32/head
Holger Wirtz 4 years ago
parent 764f56fba5
commit cc6c78896e
3 changed files with 64 additions and 45 deletions
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  1. 93
      MicroDexed.ino
  2. 7
      config.h
  3. 9
      effect_mono_stereo.cpp

93
MicroDexed.ino
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@ -136,18 +136,18 @@ AudioConnection patchCord13(stereo2mono, 1, dacOut, 1);
//
// Dynamic patching of MicroDexed objects
//
uint8_t nDynamic = 0;
uint16_t nDynamic = 0;
#if defined(USE_FX) && MOD_FILTER_OUTPUT != MOD_NO_FILTER_OUTPUT
AudioConnection * dynamicConnections[NUM_DEXED * 17];
AudioConnection * dynamicConnections[NUM_DEXED * 18];
#elif defined(USE_FX) && MOD_FILTER_OUTPUT == MOD_NO_FILTER_OUTPUT
AudioConnection * dynamicConnections[NUM_DEXED * 16];
AudioConnection * dynamicConnections[NUM_DEXED * 17];
#else
AudioConnection * dynamicConnections[NUM_DEXED * 5];
AudioConnection * dynamicConnections[NUM_DEXED * 6];
#endif
void create_audio_engine_chain(uint8_t instance_id)
{
MicroDexed[instance_id] = new AudioSourceMicroDexed(SAMPLE_RATE);
dexed_dynamic[instance_id] = new AudioEffectDynamics;
dexed_dynamic[instance_id] = new AudioEffectDynamics();
dexed_level[instance_id] = new AudioAmplifier();
mono2stereo[instance_id] = new AudioEffectMonoStereo();
#if defined(USE_FX)
@ -183,13 +183,11 @@ void create_audio_engine_chain(uint8_t instance_id)
dynamicConnections[nDynamic++] = new AudioConnection(*delay_mixer[instance_id], 0, *mono2stereo[instance_id], 0);
dynamicConnections[nDynamic++] = new AudioConnection(*mono2stereo[instance_id], 0, reverb_mixer_r, instance_id);
dynamicConnections[nDynamic++] = new AudioConnection(*mono2stereo[instance_id], 1, reverb_mixer_l, instance_id);
dynamicConnections[nDynamic++] = new AudioConnection(*mono2stereo[instance_id], 0, master_mixer_r, instance_id);
dynamicConnections[nDynamic++] = new AudioConnection(*mono2stereo[instance_id], 1, master_mixer_l, instance_id);
#else
dynamicConnections[nDynamic++] = new AudioConnection(*dexed_level[instance_id], 0, *mono2stereo[instance_id], 0);
#endif
dynamicConnections[nDynamic++] = new AudioConnection(*mono2stereo[instance_id], 0, master_mixer_r, instance_id);
dynamicConnections[nDynamic++] = new AudioConnection(*mono2stereo[instance_id], 1, master_mixer_l, instance_id);
#endif
}
uint8_t sd_card = 0;
@ -286,28 +284,6 @@ void setup()
setup_midi_devices();
for (uint8_t instance_id = 0; instance_id < NUM_DEXED; instance_id++)
{
if (instance_id < MAX_DEXED)
{
#ifdef DEBUG
Serial.print(F("Creating MicroDexed instance "));
Serial.println(instance_id, DEC);
#endif
create_audio_engine_chain(instance_id);
}
else
{
#ifdef DEBUG
Serial.print(F("Ignoring instance "));
Serial.print(instance_id, DEC);
Serial.print(F(" (maximum allowed: "));
Serial.print(MAX_DEXED, DEC);
Serial.println(F(")"));
#endif
}
}
#if defined(TEENSY_AUDIO_BOARD)
sgtl5000_1.enable();
sgtl5000_1.lineOutLevel(SGTL5000_LINEOUT_LEVEL);
@ -370,6 +346,16 @@ void setup()
#endif
#endif
// create dynamic Dexed instances
for (uint8_t instance_id = 0; instance_id < NUM_DEXED; instance_id++)
{
#ifdef DEBUG
Serial.print(F("Creating MicroDexed instance "));
Serial.println(instance_id, DEC);
#endif
create_audio_engine_chain(instance_id);
}
#if defined(USE_FX)
// Init effects
for (uint8_t instance_id = 0; instance_id < NUM_DEXED; instance_id++)
@ -391,7 +377,7 @@ void setup()
#endif
#endif
#if defined(REVERB_ANTIALIAS_FRQ)
#if defined(USE_FX) && defined(REVERB_ANTIALIAS_FRQ)
freeverb_antialias_r.setLowpass(0, REVERB_ANTIALIAS_FRQ, 0.54);
freeverb_antialias_r.setLowpass(1, REVERB_ANTIALIAS_FRQ, 1.3);
freeverb_antialias_r.setLowpass(2, REVERB_ANTIALIAS_FRQ, 0.54);
@ -451,8 +437,6 @@ void setup()
Serial.println(F("]"));
Serial.print(F("Polyphony: "));
Serial.println(configuration.dexed[instance_id].polyphony, DEC);
dexed_dynamic[instance_id]->limit();
}
Serial.print(F("AUDIO_BLOCK_SAMPLES="));
@ -466,6 +450,32 @@ void setup()
show_cpu_and_mem_usage();
#endif
for (uint8_t instance_id = 0; instance_id < NUM_DEXED; instance_id++)
{
MicroDexed[instance_id]->fx.Gain = 1.0;
// init dynamics for dexed
dexed_dynamic[instance_id]->limit();
//dexed_dynamic[instance_id]->autoMakeupGain();
//dexed_dynamic[instance_id]->compression();
}
// init master_mixer
#if NUM_DEXED > 1
for (uint8_t instance_id = 0; instance_id < NUM_DEXED; instance_id++)
{
//master_mixer_r.gain(instance_id, pseudo_log_curve(0.5));
//master_mixer_l.gain(instance_id, pseudo_log_curve(0.5));
master_mixer_r.gain(instance_id, 1.0);
master_mixer_l.gain(instance_id, 1.0);
}
#else
master_mixer_r.gain(0, 1.0);
master_mixer_l.gain(0, 1.0);
#endif
master_mixer_r.gain(3, 0.0);
master_mixer_l.gain(3, 0.0);
AudioInterrupts();
#ifdef DEBUG
@ -699,7 +709,9 @@ void handleControlChange(byte inChannel, byte inCtrl, byte inValue)
MicroDexed[instance_id]->fx.Gain = mapfloat(configuration.dexed[instance_id].sound_intensity, SOUND_INTENSITY_MIN, SOUND_INTENSITY_MAX, 0.0, SOUND_INTENSITY_AMP_MAX);
#else*/
dexed_level[instance_id]->gain(pseudo_log_curve(mapfloat(map(inValue, 0, 0x7f, 0, configuration.dexed[instance_id].sound_intensity), SOUND_INTENSITY_MIN, SOUND_INTENSITY_MAX, 0.0, SOUND_INTENSITY_AMP_MAX)));
// dexed_level[instance_id]->gain(pseudo_log_curve(mapfloat(map(inValue, 0, 0x7f, 0, configuration.dexed[instance_id].sound_intensity), SOUND_INTENSITY_MIN, SOUND_INTENSITY_MAX, 0.0, SOUND_INTENSITY_AMP_MAX))); // That's not right... have to fix this!
dexed_level[instance_id]->gain(mapfloat(map(inValue, 0, 0x7f, 0, configuration.dexed[instance_id].sound_intensity), SOUND_INTENSITY_MIN, SOUND_INTENSITY_MAX, 0.0, SOUND_INTENSITY_AMP_MAX));
//#endif
if (LCDML.FUNC_getID() == LCDML.OTHER_getIDFromFunction(UI_func_sound_intensity))
{
@ -1762,8 +1774,7 @@ void set_fx_params(void)
reverb_mixer_l.gain(instance_id, pseudo_log_curve(mapfloat(configuration.fx.reverb_send[instance_id], REVERB_SEND_MIN, REVERB_SEND_MAX, 0.0, 1.0)));
// DEXED FILTER
//MicroDexed[instance_id]->fx.Gain = mapfloat(configuration.dexed[instance_id].sound_intensity, SOUND_INTENSITY_MIN, SOUND_INTENSITY_MAX, 0.0, SOUND_INTENSITY_AMP_MAX);
MicroDexed[instance_id]->fx.Gain = 1.0;
//MicroDexed[instance_id]->fx.Gain = 1.0;
MicroDexed[instance_id]->fx.Reso = mapfloat(configuration.dexed[instance_id].filter_resonance, FILTER_RESONANCE_MIN, FILTER_RESONANCE_MAX, 1.0, 0.0);
MicroDexed[instance_id]->fx.Cutoff = mapfloat(configuration.dexed[instance_id].filter_cutoff, FILTER_CUTOFF_MIN, FILTER_CUTOFF_MAX, 1.0, 0.0);
MicroDexed[instance_id]->doRefreshVoice();
@ -1824,7 +1835,6 @@ void _softRestart(void)
float pseudo_log_curve(float value)
{
const float _pseudo_log = 1048575 / (float)(1 << 20);
/*
#ifdef DEBUG
Serial.print(F("value in: "));
@ -1834,7 +1844,14 @@ float pseudo_log_curve(float value)
#endif
*/
return (mapfloat(_pseudo_log * arm_sin_f32(value), 0.0, _pseudo_log * arm_sin_f32(1.0), 0.0, 1.0));
// return (mapfloat(_pseudo_log * arm_sin_f32(value), 0.0, _pseudo_log * arm_sin_f32(1.0), 0.0, 1.0));
float g = mapfloat(_pseudo_log * arm_sin_f32(value), 0.0, _pseudo_log * arm_sin_f32(1.0), 0.0, 1.0);
if (g == 0.0)
return (0.001);
else
return (g);
}
uint32_t crc32(byte * calc_start, uint16_t calc_bytes) // base code from https://www.arduino.cc/en/Tutorial/EEPROMCrc

7
config.h
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@ -47,7 +47,7 @@
// amidi -p hw:2,0,0 -d -r /tmp/bkup1.syx
//
#define VERSION "0.9.9h"
#define VERSION "0.9.9i"
//*************************************************************************************************
//* DEVICE SETTINGS
@ -94,6 +94,8 @@
//*************************************************************************************************
#define DEXED_ENGINE DEXED_ENGINE_MODERN // DEXED_ENGINE_MARKI // DEXED_ENGINE_OPL
// Number of Dexed instances
#define NUM_DEXED 1 // 1 or 2 - nothing else!
// FX-CHAIN ENABLE/DISABLE
#define USE_FX 1
// CHORUS parameters
@ -104,7 +106,7 @@
// REVERB parameters
#define REVERB_ANTIALIAS_FRQ 7500
// SGTL5000
#define SGTL5000_AUDIO_ENHANCE 1
//#define SGTL5000_AUDIO_ENHANCE 1
//*************************************************************************************************
//* AUDIO SOFTWARE SETTINGS
@ -248,7 +250,6 @@
//*************************************************************************************************
//* DO NO CHANGE ANYTHING BEYOND IF YOU DON'T KNOW WHAT YOU ARE DOING !!!
//*************************************************************************************************
#define NUM_DEXED 1 // 1 or 2 - nothing else!
#define MAX_DEXED 2 // No! - even don't think about increasing this number! IT WILL PRODUCE MASSIVE PROBLEMS!
#define CONTROL_RATE_MS 50

9
effect_mono_stereo.cpp
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@ -57,12 +57,13 @@ void AudioEffectMonoStereo::update(void)
{
arm_q15_to_float(in->data, in_f, AUDIO_BLOCK_SAMPLES);
float f = pan * PI / 2.0;
int16_t* out_p[2] = {out[0]->data, out[1]->data};
float fsin = arm_sin_f32(pan * PI / 2.0);
float fcos = arm_cos_f32(pan * PI / 2.0);
int16_t* out_p[2] = {&out[0]->data[0], &out[1]->data[0]};
for (uint8_t n = 0; n < AUDIO_BLOCK_SAMPLES; n++)
{
*out_p[0]++ = int16_t(in_f[n] * _pseudo_log * arm_sin_f32(f) * SHRT_MAX);
*out_p[1]++ = int16_t(in_f[n] * _pseudo_log * arm_cos_f32(f) * SHRT_MAX);
*out_p[0]++ = int16_t(in_f[n] * _pseudo_log * fsin * SHRT_MAX);
*out_p[1]++ = int16_t(in_f[n] * _pseudo_log * fcos * SHRT_MAX);
}
if (in)

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