{ "f_max": 8000, "f_min": 0, "feature_extractor_type": "FastConformerFeatureExtractor", "feature_size": 80, "hop_length": 160, "mag_power": 2.0, "mel_scale": "slaney", "n_fft": 512, "n_mels": 80, "normalize": "per_feature", "padding_side": "right", "padding_value": 0.0, "preemphasis": 0.97, "return_attention_mask": true, "sampling_rate": 16000, "win_length": 400, "window_size": 0.025, "window_stride": 0.01 }