preprocessor_config.json

{
  "auto_map": {
    "AutoFeatureExtractor": "feature_extraction_gramt_ambisonics.AmbisonicsFeatureExtractor"
  },
  "feature_extractor_type": "AmbisonicsFeatureExtractor",
  "feature_size": 1,
  "num_mel_bins": 128,
  "padding_side": "right",
  "padding_value": 0.0,
  "return_attention_mask": true,
  "sampling_rate": 32000
}