在吵闹车间中,为了保护工人健康或提高工作效率,通常需要设置一个隔声小间作为控制、观察或休息之用。在职业病防治和耳科门诊方面,也要有一个隔声小间作为测量听力之用。这些小间面积不大,仅几平方米而已,但要满足一定的声学要求。而一般设计和施工单位对此往往经验不足,隔声性能便难以保证,甚至极差。如果采用预制物件,其隔声性能可 In a noisy workshop, in order to protect workers’ health or increase work efficiency, it is usually necessary to set up a soundproof cabinet for control, observation or rest. In the prevention and treatment of occupational diseases and otology clinic, but also have a soundproof room as a measure of hearing use. These small rooms are not large, only a few square meters only, but to meet certain acoustic requirements. The general design and construction unit often lack of experience, sound insulation performance is difficult to guarantee, or even very poor. Acoustic properties are possible if prefabricated objects are used