preprocessor_config.json

{
  "crop_size": {
    "height": 20,
    "width": 20
  },
  "dither": 0.0,
  "feature_extractor_type": "Gemma3nAudioFeatureExtractor",
  "feature_size": 128,
  "fft_length": 1024,
  "fft_overdrive": true,
  "frame_length": 512,
  "hop_length": 160,
  "input_scale_factor": 1.0,
  "max_frequency": 7600.0,
  "mel_floor": 1e-05,
  "min_frequency": 125.0,
  "padding_side": "right",
  "padding_value": 0.0,
  "per_bin_mean": null,
  "per_bin_stddev": null,
  "preemphasis": 0.97,
  "preemphasis_htk_flavor": true,
  "return_attention_mask": true,
  "sampling_rate": 16000,
  "size": {
    "height": 20,
    "width": 20
  }
}