pysptk.sptk.c2acr

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

Cepstrum to autocorrelation

Parameters
carray

Cepstrum

orderint, optional

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

fftlenint, optional

FFT length. Default is 256.

Returns
rarray, shape (order + 1)

Autocorrelation

Raises
ValueError

if non power of 2 fftlen is specified