{
  "do_normalize": true,
  "feature_extractor_type": "ASTFeatureExtractor",
  "feature_size": 1,
  "max_length": 128,
  "mean": -6.845978,
  "num_mel_bins": 128,
  "padding_side": "right",
  "padding_value": 0.0,
  "return_attention_mask": false,
  "sampling_rate": 16000,
  "std": 5.5654526
}