噪声是人们最熟悉的环境污染之一,它曾被国际标准化组织列为首要公害,在我国被视为城市的第二大公害。那么,究竟什么是噪声呢?基于人的心理特征,噪声被定义为令人厌恶、不可控制、不可预知的声音。在喧嚣的都市中,它无处不在,飞机、地铁、汽车、厂房、建筑施工、娱乐场所、个人耳机、商场、人群的喧哗等,噪声正以越来越多的形式,在越来越广泛的时间和空间中存 Noise is one of the most familiar environmental pollution, it has been the International Organization for Standardization as the primary public hazard, in our country is regarded as the second largest city of public nuisance. So, what exactly is noise? Based on the psychological characteristics of people, noise is defined as disgusting, uncontrollable, unpredictable sound. In the hustle and bustle of the city, it is everywhere, in the form of planes, buses, cars, factories, construction sites, entertainment venues, personal earphones, shopping malls and people’s voices. Noise is becoming more and more widespread Save in time and space