// Cepstrum2Amplitude return log amplitude spectrum from cepstrum.
// Note: This function requires symmetric cepstrum as the argument.
func Cepstrum2LogAmplitude(ceps []float64) []float64 {
return gossp.ToReal(fft.FFTReal(ceps))
}
// Amplitude2Cepstrum returns (real) cepstrum from an amplitude spectrum.
func LogAmplitude2Cepsturm(logAmp []float64) []float64 {
return gossp.ToReal(fft.IFFTReal(logAmp))
}