preprocessor_config.json

{
  "feature_extractor_type": "FeatureExtractor",
  "processor_class": "FeatureExtractor",
  "auto_map": {
    "AutoFeatureExtractor": "feature_extraction.FeatureExtractor"
  },
  "window_size_ms": 25,
  "window_stride_ms": 10,
  "mel_lower_edge_hertz": 0,
  "mel_upper_edge_hertz": 8000,
  "mel_num_bins": 80,
  "sample_rate": 16000
}