一、概况: 吸声处理是在房间或机房的壁面(墙面、顶棚、地面)上贴附吸声材料,或在较高的房间中悬挂空间吸声体,使声源射出噪声碰到吸声材料面层而被吸收一部分,由吸声材料面层反射出来的反射声(俗称混响声)有所下降,从而使房间内的总声级得以降低。因此,吸声处理是控制噪声的一项重要措施。目前在民用、工业建筑中都已广泛应用。值得强调的是吸声处理只能降低反射声,而对直达声却无降噪作用。因此,吸声 First, an overview: Acoustic treatment is in the room or room wall (wall, ceiling, ground) attached to the sound-absorbing material, or suspended in the room more room sound-absorbing body, so that the sound emitted by the noise hit the suction Acoustic material is absorbed by the surface layer, reflected by the sound absorption material surface reflection (commonly known as reverberation sound) decreased, so that the total level of the room to be reduced. Therefore, the sound absorption treatment is an important measure to control noise. Currently in civil, industrial buildings have been widely used. It is worth emphasizing that the sound absorption process can only reduce the reflected sound, but has no noise reduction effect on the direct sound. Therefore, sound absorption