{
    "do_normalize": true,
    "feature_size": 80,
    "sampling_rate": 16000,
    "padding_value": 0.0,
    "hop_length": 10,
    "win_length": 25,
    "win_function": "hamming_window",
    "normalize_means": true,
    "normalize_vars": true,    
    "return_attention_mask": false
  }