public SpectrogramDrawer(int nfft)
{
_nfft = nfft;
_mapper = new MagnitudeToIndexMapper(100.0, 255);
_fft = new RealFFT(nfft);
_palette = GeneratePalette(nfft);
_segment = new double[nfft];
_window = CreateRaisedCosineWindow(nfft);
_magnitude = new double[nfft / 2];
double scaleCorrection = 1.0 / (raisedCosineWindowScale * _fft.ForwardScaleFactor);
for (int i = 0; i < _window.Length; i++)
{
_window[i] *= scaleCorrection;
}
}
public SpectrogramDrawer(int nfft)
{
_nfft = nfft;
_mapper = new MagnitudeToIndexMapper(100.0, MagnitudeIndexRange - 1);
_fft = new RealFFT(nfft);
_palette = GeneratePalette();
_segment = new double[nfft];
_window = CreateRaisedCosineWindow(nfft);
_magnitude1 = new double[nfft / 2];
_magnitude2 = new double[nfft / 2];
double scaleCorrection = 1.0 / (RaisedCosineWindowScale * _fft.ForwardScaleFactor);
for (int i = 0; i < _window.Length; i++)
{
_window[i] *= scaleCorrection;
}
}