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Allow wavetable alias above 20 kHz

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This commit is contained in:
Jean Pierre Cimalando 2020-08-09 12:53:44 +02:00
parent e14c51e8da
commit 720ecf9b00
2 changed files with 4 additions and 1 deletions
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1
src/sfizz/Config.h
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@ -95,6 +95,7 @@ namespace config {
constexpr int maxEffectBuses { 256 }; constexpr int maxEffectBuses { 256 };
// Wavetable constants; amplitude values are matched to reference // Wavetable constants; amplitude values are matched to reference
static constexpr unsigned tableSize = 1024; static constexpr unsigned tableSize = 1024;
static constexpr double tableRefSampleRate = 44100.0 * 1.1; // +10% aliasing permissivity
static constexpr double amplitudeSine = 0.625; static constexpr double amplitudeSine = 0.625;
static constexpr double amplitudeTriangle = 0.625; static constexpr double amplitudeTriangle = 0.625;
static constexpr double amplitudeSaw = 0.515; static constexpr double amplitudeSaw = 0.515;

4
src/sfizz/Wavetables.h
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@ -214,7 +214,9 @@ public:
// the reference sample rate is the minimum value accepted by the DSP // the reference sample rate is the minimum value accepted by the DSP
// system (most defavorable wrt. aliasing) // system (most defavorable wrt. aliasing)
static WavetableMulti createForHarmonicProfile( static WavetableMulti createForHarmonicProfile(
const HarmonicProfile& hp, double amplitude, unsigned tableSize = config::tableSize, double refSampleRate = 44100.0); const HarmonicProfile& hp, double amplitude,
unsigned tableSize = config::tableSize,
double refSampleRate = config::tableRefSampleRate);
// get a tiny silent wavetable with null content for use with oscillators // get a tiny silent wavetable with null content for use with oscillators
static const WavetableMulti* getSilenceWavetable(); static const WavetableMulti* getSilenceWavetable();