def METHOD_NAME(mel):
    # vocoder
    args = parse_args()
    with open(args.voc_config) as f:
        voc_config = CfgNode(yaml.safe_load(f))
    voc_inference = get_voc_inference(
        voc=args.voc,
        voc_config=voc_config,
        voc_ckpt=args.voc_ckpt,
        voc_stat=args.voc_stat)
    with paddle.no_grad():
        wav = voc_inference(mel)
    return np.squeeze(wav)