public void Analyze()
{
amplitudeDetection = new AmplitudeDetection();
onsetDetection = new OnsetDetection(sampleRate, sampleSize, timePerSample);
heldNoteDetection = new HeldNoteDetection();
pcmStream.Position = 0;
int nSample = 0;
do
{
float[] samples = ReadMonoPCM();
if (samples == null)
{
break;
}
float time = nSample * timePerSample;
fft.RealFFT(samples, true);
float[] fftSpectrum = fft.GetPowerSpectrum();
amplitudeDetection.AnalyzeSpectrum(fftSpectrum, time);
heldNoteDetection.AnalyzeSpectrum(fftSpectrum, time);
onsetDetection.AddFlux(fftSpectrum);
nSample++;
}while (true);
amplitudeDetection.AbsAndNormalize();
// Find peaks
onsetDetection.FindOnsets(1.5f);
onsetDetection.NormalizeOnsets();
AddOnsets(SongElements);
heldNoteDetection.AddHeldNotes(SongElements);
}
public void NormalizeOnsets(int type)
{
onsetDetection.NormalizeOnsets(type);
}