func FrequenciesToSamples(freqs Frequencies) *TMSnippet {
var samples TMSnippet
f64samples := cplxsToReals(fft.IFFTReal(freqs.Freqs))
samples.Samples = make([]float32, len(f64samples))
for i, v := range f64samples {
samples.Samples[i] = float32(v)
}
samples.SampleHz = 1 / freqs.DeltaHz // TODO: check if this even makes sense
return &samples
}
// Amplitude2Cepstrum returns (real) cepstrum from an amplitude spectrum.
func LogAmplitude2Cepsturm(logAmp []float64) []float64 {
return gossp.ToReal(fft.IFFTReal(logAmp))
}