preprocessor_config.json

{
  "audio_samples_per_token": 640,
  "feature_extractor_type": "Gemma4UnifiedAudioFeatureExtractor",
  "feature_size": 640,
  "padding_side": "right",
  "padding_value": 0.0,
  "return_attention_mask": true,
  "sampling_rate": 16000
}