[
    {
        "compareItem_id": 1,
        "compareItem_name": "对比项1号",
        "recordRoad": [
            {
                "recordRoad_id" : 1,
                "recordRoad_name": "录音通道1号",
                "recordRoad_num": 1
            },
            {
                "recordRoad_id" : 2,
                "recordRoad_name": "录音通道2号",
                "recordRoad_num" : 2
            }
        ],
        "silence_switch" : true,
        "silence_threshold": 90,
        "silence_duration": 10,
        "overload_switch": true,
        "overload_threshold": 120,
        "overload_duration": 10
    },
    {
        "compareItem_id": 2,
        "compareItem_name": "对比项2号",
        "recordRoad": [
            {
                "recordRoad_id" : 3,
                "recordRoad_name": "录音通道3号",
                "recordRoad_num": 3
            },
            {
                "recordRoad_id" : 4,
                "recordRoad_name": "录音通道4号",
                "recordRoad_num" : 4
            }
        ],
        "silence_switch" : false,
        "silence_threshold": 80,
        "silence_duration": 5,
        "overload_switch": false,
        "overload_threshold": 100,
        "overload_duration": 5
    }
]