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随着工业生产、交通运输、城市建筑的发展,以及人口密度的增加,家庭设施(音响、空调、电视机等)的增多,环境噪声日益严重,它已成为污染人类社会环境的一大公害,几乎每个城市居民每天都要遭受噪声之苦。什么是噪声?通俗地说,凡是使人烦躁的、讨厌的,不需要的声音都叫噪声。音乐、歌声,本来是美妙之音,但对于正在睡眠的人来说,是吵闹的、不需要的声音,所以也是噪声。人们过去只注意噪声对听力的影响,而忽略了它对心血管系统、神经系统、内分泌系统均有影响,所以称它为“致人死命的慢性毒药”。
With the increase of industrial production, transportation, urban construction and the increase of population density, the increase of household facilities (audio, air-conditioners, TV sets, etc.) and the worsening of environmental noises, it has become a public nuisance to polluting the human society. Almost every city resident suffers from noise everyday. What is noise? Ordinarily, any annoying, annoying, unwanted voice is called noise. Music, song, was originally a wonderful sound, but it is also noisy for unlucky, unwanted sounds for those who are sleeping. In the past people only paid attention to the impact of noise on the hearing, but ignored it on the cardiovascular system, nervous system, endocrine system have an impact, so called “chronic lethal poison.”