{
    "alpha": 0.032320032824594995,
    "eta": 0.5213476456166666,
    "eval_metric": "merror",
    "gamma": 1.119725981157275,
    "lambda": 0.6274085253017492,
    "max_depth": 13,
    "num_class": 61,
    "num_round": 10,
    "preprocessor": "mel"
}