{ "mean": -41.9937364935039, "std": 17.41233292211895, "feature_shape": [ 64, 64 ], "sample_rate": 16000, "clip_seconds": 2.0, "n_mels": 64, "n_fft": 1024, "hop_length": 512, "fmin": 50.0, "fmax": 8000.0, "power_to_db_ref": "np.max", "feature_backend": "soundfile_scipy" }