public double[] doMFCC(float[] framedSignal)
{
// Magnitude Spectrum
bin = MagnitudeSpectrum(framedSignal);
framedSignal = PreEmphasis(framedSignal);
// cbin=frequencies of the channels in terms of FFT bin indices (cbin[i]
// for the i -th channel)
// prepare filter for for melFilter
int[] cbin = FftBinIndices(); // same for all
// process Mel Filterbank
double[] fbank = MelFilter(bin, cbin);
// magnitudeSpectrum and bin filter indices
// Console.Out.WriteLine("after mel filter");
// ArrayWriter.printDoubleArrayToConole(fbank);
// Non-linear transformation
double[] f = NonLinearTransformation(fbank);
// Console.Out.WriteLine("after N L T");
// ArrayWriter.printDoubleArrayToConole(f);
// Cepstral coefficients, by DCT
double[] cepc = dct.PerformDCT(f);
// Console.Out.WriteLine("after DCT");
// ArrayWriter.printDoubleArrayToConole(cepc);
return(cepc);
}
