{ "feature_extractor_type": "MCTCTFeatureExtractor", "feature_size": 80, "frame_signal_scale": 32768.0, "hop_length": 10, "mel_floor": 1.0, "n_fft": 512, "n_freqs": 257, "normalize_means": true, "normalize_vars": true, "num_mel_bins": 80, "padding_side": "right", "padding_value": 0.0, "preemphasis_coeff": 0.97, "return_attention_mask": false, "sample_size": 400, "sample_stride": 160, "sampling_rate": 16000, "win_function": "hamming_window", "win_length": 25 }