The more low noise control, is the sound-absorbing effect with the censored box.
更低的噪音控制，就是加装具有吸音效果的消音箱。
Therefore, to choose those seen in the decoration noise, sound-absorbing effect good decoration materials.
这看起来不错，却不能起到隔音的效果。
Sixth, the number of surface thickness, and filling (foam) has a good sound-absorbing concrete role, which has a good effect of noise floors.
六是增加地面厚度，且加气(泡沫)混凝土具有良好的吸音作用，因而具有良好的楼层隔音效果。
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