{ "feature_extractor_type": "LasrFeatureExtractor", "feature_size": 128, "hop_length": 160, "n_fft": 512, "padding_side": "right", "padding_value": 0.0, "processor_class": "LasrProcessor", "return_attention_mask": true, "sampling_rate": 16000, "win_length": 400 }