pysptk.sptk.c2acr

pysptk.sptk.c2acr(c, order=None, fftlen=256)

Cepstrum to autocorrelation

Parameters:

c : array

Cepstrum

order : int, optional

Order of cepstrum. Default is len(c) - 1.

fftlen : int, optional

FFT length. Default is 256.

Returns:

r : array, shape (order + 1)

Autocorrelation

Raises:

ValueError

if non power of 2 fftlen is specified