pysptk.sptk.c2ndps

pysptk.sptk.c2ndps(c, fftlen=256)

Cepstrum to Negative Derivative of Phase Spectrum (NDPS)

Parameters:

c : array

Cepstrum

fftlen : int, optional

FFT length. Default is 256.

Returns:

ndps : array, shape (fftlen // 2 + 1)

NDPS

Raises:

ValueError

if non power of 2 fftlen is specified