{"file_name": "ac_noise_loud/351790.wav", "label": "ac_noise_loud", "description": "Loud AC noise"}
{"file_name": "ac_noise_low/15db.wav", "label": "ac_noise_low", "description": "Low AC noise"}
{"file_name": "ac_noise_medium/10db.wav", "label": "ac_noise_medium", "description": "Medium AC noise"}
{"file_name": "ac_noise_minimal/20db.wav", "label": "ac_noise_minimal", "description": "Minimal AC noise"}