audio_feats:
  sample_frequency: 16000
  frame_length: 25
  frame_shift: 10
  fft_length: 512
  remove_dc_offset: true
  preemphasis_coeff: 0.97
  window_type: povey
  use_fft_mag: false
  dither: 1
  fb_type: mel_kaldi
  num_filters: 80
  low_freq: 20.0
  high_freq: 7600.0
  norm_filters: false
  num_ceps: 13
  snip_edges: false
  energy_floor: 0
  raw_energy: true
  use_energy: false
  cepstral_lifter: 22
  audio_feat: logfb
mvn:
  no_norm_mean: false
  norm_var: false
  left_context: 150
  right_context: 150
  context: 150