private Fanfare(
double noteDuration,
double endSustain,
double[] frequencies)
{
double totalDuration = noteDuration * 4 + endSustain;
int totalSamples = (int)Math.Floor(SamplingRate * totalDuration);
StreamAdder fanfareStream = new StreamAdder();
for (int i = 0; i < frequencies.Length; i++)
{
double startingTime = i * noteDuration;
IBGCStream noteStream =
GetNote(frequencies[i], totalDuration - startingTime)
.Center((int)(startingTime * SamplingRate), 0);
fanfareStream.AddStream(noteStream);
}
stream = fanfareStream
.Spatialize(0.0)
.Normalize(Level);
}
private void BuildStream()
{
IEnumerable <IBGCStream> chord = Chord.Select(
note => GetNote(fundamentalFreq * note.freqRatio, Duration));
stream = new StreamAdder(chord)
.Spatialize(angle)
.Normalize(Level);
}
public static IBGCStream AddWith(
this IBGCStream stream,
params IBGCStream[] others)
{
StreamAdder adder = new StreamAdder(stream);
adder.AddStreams(others);
return(adder);
}
public void TestFakeVoice()
{
Calibration.Initialize();
// F2: 500
// F3: 1000
// F4: 2000
double qFactor = 100;
//IBGCStream f2 = new AnalyticNoiseStream(
// rms: 1.0,
// freqLB: 20,
// freqUB: 10000,
// frequencyCount: 10000,
// distribution: AnalyticNoiseStream.AmplitudeDistribution.Pink)
// .ToBGCStream()
// .ContinuousFilter(
// envelopeStream: new Audio.Envelopes.SigmoidEnvelope(2.0),
// filterType: ContinuousFilter.FilterType.BandPass,
// freqLB: 500,
// freqUB: 540,
// qFactor: 100.0);
//Func<IBGCStream> makeCarrier = () =>
//new AnalyticNoiseStream(
// rms: 1.0,
// freqLB: 20,
// freqUB: 10000,
// frequencyCount: 10000,
// distribution: AnalyticNoiseStream.AmplitudeDistribution.Brown)
// .ToBGCStream();
//Func<IBGCStream> makeCarrier = () =>
// new SawtoothWave(
// amplitude: 1.0,
// frequency: 120);
Func <IBGCStream> makeCarrier = () =>
new StreamAdder(
new SawtoothWave(
amplitude: 1.0,
frequency: 120),
new AnalyticNoiseStream(
rms: 0.2,
freqLB: 20,
freqUB: 10000,
frequencyCount: 10000,
distribution: AnalyticNoiseStream.AmplitudeDistribution.Brown)
.ToBGCStream());
//Func<IBGCStream> makeCarrier = () =>
// new SquareWave(
// 1.0,
// 280.0,
// 0.1);
IBGCStream f2 = makeCarrier()
.ContinuousFilter(
envelopeStream: new Audio.Envelopes.EnvelopeConcatenator(
new Audio.Envelopes.SigmoidEnvelope(0.1),
new Audio.Envelopes.ConstantEnvelope(1.0, 0.1)),
filterType: ContinuousFilter.FilterType.BandPass,
freqLB: 400,
freqUB: 700,
qFactor: qFactor);
IBGCStream f3 = makeCarrier()
.ContinuousFilter(
envelopeStream: new Audio.Envelopes.LinearEnvelope(0.05, 0.15),
filterType: ContinuousFilter.FilterType.BandPass,
freqLB: 1500,
freqUB: 1000,
qFactor: qFactor);
IBGCStream f4 = makeCarrier()
.ContinuousFilter(
envelopeStream: new Audio.Envelopes.ConstantEnvelope(1.0, 0.2),
filterType: ContinuousFilter.FilterType.BandPass,
freqLB: 2000,
freqUB: 2000,
qFactor: qFactor);
IBGCStream fakeVoice = new StreamAdder(f2, f3, f4)
.Window(.2)
.Center(1)
.SlowRangeFitter();
WaveEncoding.SaveStream(
filepath: DataManagement.PathForDataFile("Test", "testVoice.wav"),
stream: fakeVoice);
}
public void TestFunFakeVoice()
{
Calibration.Initialize();
// F2: 500
// F3: 1000
// F4: 2000
double qFactor = 200;
//IBGCStream f2 = new AnalyticNoiseStream(
// rms: 1.0,
// freqLB: 20,
// freqUB: 10000,
// frequencyCount: 10000,
// distribution: AnalyticNoiseStream.AmplitudeDistribution.Pink)
// .ToBGCStream()
// .ContinuousFilter(
// envelopeStream: new Audio.Envelopes.SigmoidEnvelope(2.0),
// filterType: ContinuousFilter.FilterType.BandPass,
// freqLB: 500,
// freqUB: 540,
// qFactor: 100.0);
//Func<IBGCStream> makeCarrier = () =>
//new AnalyticNoiseStream(
// rms: 1.0,
// freqLB: 20,
// freqUB: 10000,
// frequencyCount: 10000,
// distribution: AnalyticNoiseStream.AmplitudeDistribution.Brown)
// .ToBGCStream();
//Func<IBGCStream> makeCarrier = () =>
// new SawtoothWave(
// amplitude: 1.0,
// frequency: 120);
Func <IBGCStream> makeCarrier = () =>
new StreamAdder(
new SawtoothWave(
amplitude: 1.0,
frequency: 120),
new AnalyticNoiseStream(
rms: 0.2,
freqLB: 20,
freqUB: 10000,
frequencyCount: 10000,
distribution: AnalyticNoiseStream.AmplitudeDistribution.Brown)
.ToBGCStream());
//Func<IBGCStream> makeCarrier = () =>
// new SquareWave(
// 1.0,
// 280.0,
// 0.1);
//IBGCStream f2 = makeCarrier()
// .ContinuousFilter(
// envelopeStream: new SineWave(1.0, 4),
// filterType: ContinuousFilter.FilterType.BandPass,
// freqLB: 1500,
// freqUB: 1000,
// qFactor: qFactor);
{
IBGCStream f1 = makeCarrier()
.BiQuadBandpassFilter(
centralFrequency: 500,
qFactor: qFactor);
IBGCStream f2 = makeCarrier()
.BiQuadBandpassFilter(
centralFrequency: 1500,
qFactor: qFactor);
IBGCStream fakeVoice = new StreamAdder(f1, f2)
.Window(0.2)
.Center(0.5)
.SlowRangeFitter();
WaveEncoding.SaveStream(
filepath: DataManagement.PathForDataFile("Test", "testVoiceA.wav"),
stream: fakeVoice,
overwrite: true);
}
{
IBGCStream f1 = makeCarrier()
.BiQuadBandpassFilter(
centralFrequency: 750,
qFactor: qFactor);
IBGCStream f2 = makeCarrier()
.BiQuadBandpassFilter(
centralFrequency: 2000,
qFactor: qFactor);
IBGCStream fakeVoice = new StreamAdder(f1, f2)
.Window(0.2)
.Center(0.5)
.SlowRangeFitter();
WaveEncoding.SaveStream(
filepath: DataManagement.PathForDataFile("Test", "testVoiceB.wav"),
stream: fakeVoice,
overwrite: true);
}
}
