声音是我们生活中不可缺少的东西,人们通过语言传递信息,生活中也离不开音乐和其他声音。但是,同样的声音有时是必要的,有时又成为不需要的,这完全由主观决定。从生理学观点讲,凡是使人烦恼的、讨厌的、不需要的声音都叫噪声。 噪声对人体危害很大,但往往被人们忽视。一般说,噪音的危害有影响睡眠、休息和谈话;损伤听觉;影响工作效率; Sound is an indispensable thing in our life. People transmit information through language, and life can not be separated from music and other voices. However, the same voice is sometimes necessary and sometimes unwanted, which is entirely subjective. From the physiological point of view, all annoying, annoying, unwanted voices are called noises. Noise is very harmful to the human body, but often overlooked by people. In general, the hazards of noise affect sleep, rest and conversation; impair hearing; affect work efficiency;