private void TestPitchDetection(float[] buffer, IPitchDetector pitchDetector)
{
for (int midiNoteNumber = 45; midiNoteNumber < 63; midiNoteNumber++)
{
float freq = (float)(8.175 * Math.Pow(1.05946309, midiNoteNumber));
SetFrequency(buffer, freq);
float detectedPitch = pitchDetector.DetectPitch(buffer, buffer.Length);
// since the autocorrelator works with a lag, give it two shots at the same buffer
detectedPitch = pitchDetector.DetectPitch(buffer, buffer.Length);
Console.WriteLine("Testing for {0:F2}Hz, got {1:F2}Hz", freq, detectedPitch);
//Assert.AreEqual(detectedPitch, freq, 0.5);
}
}
private void TestPitchDetection(float[] buffer, IPitchDetector pitchDetector)
{
for (int midiNoteNumber = 45; midiNoteNumber < 63; midiNoteNumber++)
{
float freq = (float)(8.175 * Math.Pow(1.05946309, midiNoteNumber));
SetFrequency(buffer, freq);
float detectedPitch = pitchDetector.DetectPitch(buffer, buffer.Length);
// since the autocorrelator works with a lag, give it two shots at the same buffer
detectedPitch = pitchDetector.DetectPitch(buffer, buffer.Length);
Console.WriteLine("Testing for {0:F2}Hz, got {1:F2}Hz", freq, detectedPitch);
//Assert.AreEqual(detectedPitch, freq, 0.5);
}
}
public AutoTuneWaveProvider(IWaveProvider source, AutoTuneSettings autoTuneSettings)
{
this.autoTuneSettings = autoTuneSettings;
if (source.WaveFormat.SampleRate != 44100)
throw new ArgumentException("AutoTune only works at 44.1kHz");
if (source.WaveFormat.Encoding != WaveFormatEncoding.IeeeFloat)
throw new ArgumentException("AutoTune only works on IEEE floating point audio data");
if (source.WaveFormat.Channels != 1)
throw new ArgumentException("AutoTune only works on mono input sources");
this.source = source;
this.pitchDetector = new AutoCorrelator(source.WaveFormat.SampleRate);
// alternative pitch detector:
// this.pitchDetector = new FftPitchDetector(source.WaveFormat.SampleRate);
this.pitchShifter = new SmbPitchShifter(Settings, source.WaveFormat.SampleRate);
this.waveBuffer = new WaveBuffer(8192);
}
public PitchGeneratorProvider(IWaveProvider sourceProvider, IPitchDetector leftPitchDetector, IPitchDetector rightPitchDetector, FloatDataStereoSplitter stereoSplitter, PitchResultSummaryWriter resultWriter)
{
if (sourceProvider.WaveFormat.SampleRate != ChromesthesiaConfig.InputAudioSampleRate)
{
throw new ArgumentException("This provider only works at 44.1kHz");
}
if (sourceProvider.WaveFormat.Encoding != WaveFormatEncoding.IeeeFloat)
{
throw new ArgumentException("This provider only works on IEEE floating point audio data");
}
this.sourceProvider = sourceProvider;
this.stereoSplitter = stereoSplitter;
this.resultWriter = resultWriter;
this.leftPitchDetector = leftPitchDetector;
this.rightPitchDetector = rightPitchDetector;
}
/// <summary>
/// Instanciate a PitchWaveProvider
/// </summary>
/// <param name="source">Stream Source</param>
/// <param name="ar">Pitch Reference</param>
public PitchWaveProvider(IWaveProvider source, Pitch ar)
{
if (source.WaveFormat.SampleRate != 44100)
{
throw new ArgumentException("Pitch Detection only works at 44.1kHz");
}
if (source.WaveFormat.Encoding != WaveFormatEncoding.IeeeFloat)
{
throw new ArgumentException("Pitch Detection only works on IEEE floating point audio data");
}
if (source.WaveFormat.Channels != 1)
{
throw new ArgumentException("Pitch Detection only works on mono input sources");
}
this.source = source;
this.pitchDetector = new AutoCorrelator(source.WaveFormat.SampleRate);
this.waveBuffer = new WaveBuffer(8192);
this.AR = ar;
}
public AutoTuneWaveProvider(IWaveProvider source, AutoTuneSettings autoTuneSettings)
{
this.autoTuneSettings = autoTuneSettings;
if (source.WaveFormat.SampleRate != 44100)
{
throw new ArgumentException("AutoTune only works at 44.1kHz");
}
if (source.WaveFormat.Encoding != WaveFormatEncoding.IeeeFloat)
{
throw new ArgumentException("AutoTune only works on IEEE floating point audio data");
}
if (source.WaveFormat.Channels != 1)
{
throw new ArgumentException("AutoTune only works on mono input sources");
}
this.source = source;
this.pitchDetector = new AutoCorrelator(source.WaveFormat.SampleRate);
// alternative pitch detector:
// this.pitchDetector = new FftPitchDetector(source.WaveFormat.SampleRate);
this.pitchShifter = new SmbPitchShifter(Settings, source.WaveFormat.SampleRate);
this.waveBuffer = new WaveBuffer(8192);
}
