{ "AUDIO_CONFIG": { "sample_rate": 22050, "duration": 10, "n_mfcc": 52, "n_fft": 2048, "hop_length": 512 }, "LABELS": { "Artifact": 0, "Murmur": 1, "Normal": 2 }, "LABELS_INV": { "0": "Artifact", "1": "Murmur", "2": "Normal" } }