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所属栏目：原来如此
所属频道：CCTV-10科教
年份：2011
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简介：王先生来信说他家一直受噪音问题的困扰。通过街头调查汇总的室内降噪办法有：增设布艺制品，多放植物，用隔音玻璃窗等方法。节目中就增设布艺和在室内放植物等方法进行试验，检验效果，结果这两种方法效果都不太明显。究竟什么方法降噪最有效呢？收起
如何有效降低噪音（上） 原来如此 2011年 第44期
如何有效降低噪音（下） 原来如此 2011年 第45期
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