preprocessor_config.json

{
  "do_normalize": true,
  "feature_extractor_type": "ASTFeatureExtractor",
  "feature_size": 1,
  "max_length": 1024,
  "mean": -1.0637348509957756,
  "num_mel_bins": 128,
  "padding_side": "right",
  "padding_value": 0.0,
  "return_attention_mask": false,
  "sampling_rate": 16000,
  "std": 2.061151500799866
}