{ "feature_extractor_type": "Pop2PianoFeatureExtractor", "start_token_id": 0, "target_length": 256, "input_length": 1024, "num_bars": 2, "sampling_rate": 22050, "mel_is_conditioned": true, "padding_value": 0, "eos_token_id": 1, "default_velocity": 77, "window_size":4096, "hop_length":1024, "min_frequency":10.0, "feature_size":512 }