public static IBGCStream GetNote(
ReservedSoundSet set,
byte note,
byte velocity)
{
return(GetNote(set, GetNoteFrequency(note), velocity));
}
public static IBGCStream GetNote(
ReservedSoundSet set,
double frequency,
byte velocity)
{
double amplitude = GetNoteAmplitude(velocity);
switch (set)
{
case ReservedSoundSet.AcousticGrandPiano:
case ReservedSoundSet.BrightAcousticPiano:
case ReservedSoundSet.ElectricGrandPiano:
case ReservedSoundSet.HonkyTonkPiano:
case ReservedSoundSet.Harpsichord:
case ReservedSoundSet.Clavi:
return(new AnalyticStreamAdder(
new AnalyticWave(amplitude, frequency),
new AnalyticWave(0.5 * amplitude, 3 * frequency),
new AnalyticWave(0.25 * amplitude, 5 * frequency),
new AnalyticWave(0.125 * amplitude, 7 * frequency))
.FrequencyModulation(15, 2.5)
.ToBGCStream()
.ADSR(0.0125, 0.25, 0.8, 1.0, 0.05));
case ReservedSoundSet.Xylophone:
return(new AnalyticWave(amplitude, frequency)
.FrequencyModulation(frequency / 2, 20)
.ToBGCStream()
.ADSR(0.0125, 0.05, 1, 0.125, 0.05));
case ReservedSoundSet.ElectricPiano1:
case ReservedSoundSet.ElectricPiano2:
return(new SquareWave(amplitude, frequency, 0.66)
.ADSR(0.0125, 0.25, 0.8, 1, 0.05));
case ReservedSoundSet.DrawbarOrgan:
case ReservedSoundSet.PercussiveOrgan:
case ReservedSoundSet.RockOrgan:
case ReservedSoundSet.CrutchOrgan:
case ReservedSoundSet.ReedOrgan:
case ReservedSoundSet.Accordion:
case ReservedSoundSet.Harmonica:
case ReservedSoundSet.TangoAccordion:
amplitude /= 5.0;
return(new StreamAdder(
new TriangleWave(0.1 * amplitude, 0.5 * frequency),
new TriangleWave(amplitude, frequency),
new TriangleWave(amplitude, 1.5 * frequency),
new TriangleWave(amplitude, 2 * frequency),
new TriangleWave(amplitude, 4 * frequency),
new TriangleWave(amplitude, 8 * frequency))
.ADSR(0.0125, 0.25, 0.8, 100, 0.25));
case ReservedSoundSet.AcousticGuitar_Nylon:
case ReservedSoundSet.AcousticGuitar_Steel:
case ReservedSoundSet.ElectricGuitar_Jazz:
case ReservedSoundSet.ElectricGuitar_Clean:
case ReservedSoundSet.ElectricGuitar_Muted:
case ReservedSoundSet.OverdrivenGuitar:
case ReservedSoundSet.DistortionGuitar:
case ReservedSoundSet.GuitarHarmonics:
case ReservedSoundSet.AcousticBass:
case ReservedSoundSet.ElectricBass_Finger:
case ReservedSoundSet.ElectricBasS_Pick:
case ReservedSoundSet.FretlessBass:
case ReservedSoundSet.SlapBass1:
case ReservedSoundSet.SlapBass2:
case ReservedSoundSet.SynthBass1:
case ReservedSoundSet.SynthBass2:
return(new SquareWave(amplitude, frequency, 0.33)
.ContinuousFilter(
envelopeStream: new LinearEnvelope(0.25, 1.5),
filterType: ContinuousFilter.FilterType.LowPass,
freqLB: 20 * frequency,
freqUB: 3 * frequency)
.ADSR(0.0125, 0.33, 0.2, 2.0, 0.05));
case ReservedSoundSet.Piccolo:
case ReservedSoundSet.Flute:
case ReservedSoundSet.Recorder:
case ReservedSoundSet.PanFlute:
case ReservedSoundSet.BlownBottle:
case ReservedSoundSet.Shakuhachi:
case ReservedSoundSet.Whistle:
case ReservedSoundSet.Ocarina:
return(new StreamAdder(
new SquareWave(0.75 * amplitude, frequency, 0.6),
new AnalyticNoiseStream(0.0125, 20.0, 10000.0, 1000, AnalyticNoiseStream.AmplitudeDistribution.White)
.ToBGCStream())
.ContinuousFilter(
envelopeStream: new SineWave(1.0, 6.0),
filterType: ContinuousFilter.FilterType.LowPass,
freqLB: 2 * frequency,
freqUB: (2.125 + 0.125 * amplitude) * frequency,
qFactor: 0.0125)
.BiQuadHighpassFilter(200f)
.ADSR(0.125, 0.33, 0.8, 100.0, 0.125));
case ReservedSoundSet.Lead1_Square:
return(new SquareWave(amplitude, frequency, 0.5)
.ADSR(0.0125, 0.25, 0.8, 1, 0.05));
case ReservedSoundSet.Lead2_Sawtooth:
return(new SawtoothWave(amplitude, frequency)
.ADSR(0.0125, 0.25, 0.8, 1, 0.05));
default:
return(new AnalyticWave(amplitude, frequency)
.FrequencyModulation(frequency / 3, 10)
.ToBGCStream()
.ADSR(0.0125, 0.25, 0.8, 1, 0.05));
}
}
