preprocessor_config.json

{
  "feature_extractor_type": "Xcodec2FeatureExtractor",
  "feature_size": 80,
  "frame_length": 400,
  "frame_length_ms": 25.0,
  "frame_shift": 160,
  "frame_shift_ms": 10.0,
  "hop_length": 320,
  "num_mel_bins": 80,
  "padding_side": "right",
  "padding_value": 1,
  "return_attention_mask": true,
  "sampling_rate": 16000,
  "stride": 2
}