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AudioEffectsSuite jupyter tests

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This commit is contained in:
Phil Schatzmann 2022-11-30 18:08:39 +01:00
parent 00936d308e
commit 40eff456a8
2 changed files with 40 additions and 33 deletions
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3
.gitignore vendored
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@ -220,4 +220,5 @@ pip-log.txt
/.vs
# Jupyter
.ipynb_checkpoints/
.ipynb_checkpoints/
jupyter/*.wav

70
src/AudioLibs/AudioEffectsSuite.h
View File

@ -147,6 +147,15 @@ public:
for (int i = 0; i < sampleRate; i++)
waveTable[i] = (sin(i * radPerSec) + 1) * .5f;
}
void setNoise() {
is_noise = true;
}
bool isNoise() {
return is_noise;
}
/**
* sets wavetable to DC one
*/
@ -303,32 +312,6 @@ protected:
return interpOut;
}
/**
* @brief SoundGenerator from ModulationBaseClass
*
* @tparam T
*/
template <class T>
class SoundGeneratorModulation : public SoundGenerator<T>{
public:
SoundGeneratorModulation(ModulationBaseClass &mod, int freq){
p_mod = &mod;
this->freq = freq;
}
bool begin(AudioBaseInfo info) override{
return SoundGenerator<T>::begin(info);
max_value = pow(2, info.bits_per_sample)/2-1;
}
virtual T readSample() {
return max_value * p_mod->readTable(freq);
}
protected:
ModulationBaseClass *p_mod=nullptr;
int freq;
float max_value=32767;
};
/**
* get a cubic spline interpolated out from the wave table
*
@ -371,6 +354,34 @@ protected:
static const int order = 4;
static const int res = 100;
effectsuite_t interpTable[order][res];// = {1};
bool is_noise = false;
};
/**
* @brief SoundGenerator using the ModulationBaseClass
* to generate the samples.
*
* @tparam T
*/
template <class T>
class SoundGeneratorModulation : public SoundGenerator<T>{
public:
SoundGeneratorModulation(ModulationBaseClass &mod, int freq){
p_mod = &mod;
this->freq = freq;
}
bool begin(AudioBaseInfo info) override{
max_value = pow(2, info.bits_per_sample)/2-1;
return SoundGenerator<T>::begin(info);
}
virtual T readSample() override {
return p_mod->isNoise() ? max_value * p_mod->readNoise() : max_value * p_mod->readTable(freq);
}
protected:
ModulationBaseClass *p_mod=nullptr;
int freq;
float max_value=32767;
};
@ -1088,11 +1099,6 @@ public:
return new SimpleChorus(*this);
}
/// process
virtual effect_t process(effect_t inputSample) override {
return active_flag ? 32767.0 * processDouble(static_cast<effectsuite_t>(inputSample)/32767.0) : inputSample;
}
protected:
/** swing range of delayed audio index in samples
typical maximum swing would be 15 milliseconds
@ -1157,7 +1163,7 @@ protected:
class FilteredDelay : public DelayEffectBase, public FilterEffectBase {
public:
/** Constructor */
FilteredDelay(int delayInSamples) : DelayEffectBase(44100) {
FilteredDelay(int delayInSamples, int sample_rate=44100) : DelayEffectBase(sample_rate) {
delayTimeSamples = delayInSamples;
changeChebyICoefficients(.05, true, .1, 4);
};