(samples,
                 sr=8000,
                 nfft=512,
                 winlen=0.025,
                 winstep=0.01,
                 lowfreq=0,
                 highfreq=None,
                 preemph=0.97)
return feat
return : [nframe, nfft / 2 + 1]
return : [nframe, nfft / 2 + 1]
return : [ nframe nfft / 2 + 1 ]
def powspec_feat(samples,
                 sr=8000,
                 nfft=512,
                 winlen=0.025,
                 winstep=0.01,
                 lowfreq=0,
                 highfreq=None,
                 preemph=0.97):
  ''' return : [nframe, nfft / 2 + 1] '''
  feat = psf.powerspec(
      samples,
      nfft=nfft,
      samplerate=sr,
      winlen=winlen,
      winstep=winstep,
      lowfreq=lowfreq,
      highfreq=highfreq,
      preemph=preemph)
  return feat
def powspec_feat ( samples , sr = 8000 , nfft = 512 , winlen = 0.025 , winstep = 0.01 , lowfreq = 0 , highfreq = None , preemph = 0.97 ) : feat = psf . powerspec ( samples , nfft = nfft , samplerate = sr , winlen = winlen , winstep = winstep , lowfreq = lowfreq , highfreq = highfreq , preemph = preemph ) return feat