preprocessor_config.json

{
  "do_ceptral_normalize": true,
  "feature_extractor_type": "Speech2TextFeatureExtractor",
  "feature_size": 40,
  "normalize_means": true,
  "normalize_vars": true,
  "num_mel_bins": 40,
  "padding_side": "right",
  "padding_value": 0.0,
  "return_attention_mask": true,
  "sampling_rate": 16000
}