preprocessor_config.json

{
  "feature_extractor_type": "NemotronAsrStreamingFeatureExtractor",
  "feature_size": 128,
  "hop_length": 160,
  "n_fft": 512,
  "padding_side": "right",
  "padding_value": 0.0,
  "preemphasis": 0.97,
  "return_attention_mask": true,
  "sampling_rate": 16000,
  "win_length": 400
}