天啊!有什么办法可以如何防止噪音外界的噪音,让我有个好睡…

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z~tI{mmj饫+aI&r撅╋┆郗Kl&柁li_aM}&?+Ma访?有谁清楚有能阻止噪音的玻璃有什么方法吗?_百度知道
有谁清楚有能阻止噪音的玻璃有什么方法吗?
中空玻璃和夹胶玻璃都会有较好的隔音性能,玻璃的隔声性人耳感知声波的范围:20Hz~16000Hz主观感知程度:相差10dB - 听觉感知相差一倍 相差 5dB
- 听觉可明显感知有差别 相差 3dB
- 听觉刚能感知有差别 相差 1dB
- 人耳无法辨别有差别中空层为12mm的6mm中空玻璃隔音能力是减少35分贝,夹胶层是1.14mm的6mm夹胶玻璃隔音效果也是减少35分贝,当然两者结合起来的复合结构玻璃的隔音效果更好!
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其他1条回答
中空玻璃隔音效果达40%以上
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