public static IBGCStream ContinuousFilter(
this IBGCStream stream,
IBGCEnvelopeStream envelopeStream,
ContinuousFilter.FilterType filterType,
double freqLB,
double freqUB,
double qFactor = double.NaN)
{
return(new ContinuousFilter(
stream: stream,
filterEnvelope: envelopeStream,
filterType: filterType,
freqLB: freqLB,
freqUB: freqUB,
qFactor: qFactor));
}
public static IBGCStream ContinuousFilter(
this IBGCStream stream,
IBGCEnvelopeStream envelopeStream,
ContinuousFilter.FilterType filterType,
double freqLB,
double freqUB,
double qFactor = double.NaN,
TransformRMSBehavior rmsBehavior = TransformRMSBehavior.Recalculate)
{
return(new ContinuousFilter(
stream: stream,
filterEnvelope: envelopeStream,
filterType: filterType,
freqLB: freqLB,
freqUB: freqUB,
qFactor: qFactor,
rmsBehavior: rmsBehavior));
}
public void TestContinuousFilter()
{
Calibration.Initialize();
IBGCStream noiseStream = new NoiseAudioClip(
duration: 4,
rms: 1.0,
freqLB: 20.0,
freqUB: 10000.0,
frequencyCount: 10000,
distribution: NoiseAudioClip.AmplitudeDistribution.Pink);
for (ContinuousFilter.FilterType filter = 0; filter < ContinuousFilter.FilterType.MAX; filter++)
{
WaveEncoding.SaveStream(
filepath: DataManagement.PathForDataFile("Test", $"Sigmoid{filter}FilteredNoise.wav"),
stream: new ContinuousFilter(
stream: noiseStream,
filterEnvelope: new SigmoidEnvelope(4.0, 1.0),
filterType: filter,
freqLB: 20,
freqUB: 10000)
.Normalize(80),
overwrite: true);
WaveEncoding.SaveStream(
filepath: DataManagement.PathForDataFile("Test", $"Linear{filter}FilteredNoise.wav"),
stream: new ContinuousFilter(
stream: noiseStream,
filterEnvelope: new LinearEnvelope(4.0),
filterType: filter,
freqLB: 20,
freqUB: 10000)
.Normalize(80),
overwrite: true);
WaveEncoding.SaveStream(
filepath: DataManagement.PathForDataFile("Test", $"SlowSine{filter}FilteredNoise.wav"),
stream: new ContinuousFilter(
stream: noiseStream,
filterEnvelope: new SineWave(1.0, 1.0),
filterType: filter,
freqLB: 20,
freqUB: 10000)
.Normalize(80),
overwrite: true);
WaveEncoding.SaveStream(
filepath: DataManagement.PathForDataFile("Test", $"FastSine{filter}FilteredNoise.wav"),
stream: new ContinuousFilter(
stream: noiseStream,
filterEnvelope: new SineWave(1.0, 50.0),
filterType: filter,
freqLB: 20,
freqUB: 10000)
.Normalize(80),
overwrite: true);
WaveEncoding.SaveStream(
filepath: DataManagement.PathForDataFile("Test", $"SlowTriangle{filter}FilteredNoise.wav"),
stream: new ContinuousFilter(
stream: noiseStream,
filterEnvelope: new TriangleWave(1.0, 1.0),
filterType: filter,
freqLB: 20,
freqUB: 10000)
.Normalize(80),
overwrite: true);
WaveEncoding.SaveStream(
filepath: DataManagement.PathForDataFile("Test", $"FastTriangle{filter}FilteredNoise.wav"),
stream: new ContinuousFilter(
stream: noiseStream,
filterEnvelope: new TriangleWave(1.0, 50.0),
filterType: filter,
freqLB: 20,
freqUB: 10000)
.Normalize(80),
overwrite: true);
}
}
