一、概况上海东湖电影院地处徐汇区拟建安静小区之内,但其通风空调系统噪声较大,影响到周围居民和东湖宾馆,市区有关部门要求限期解决.该影院主要噪声源有四个——冷冻机、水泵、风机、冷却塔.未治理前,这些设备正常运行时,在离其约6m的上海市武警总队宿舍五楼窗外1.0m处,白天实测噪声为A声级 I. Overview Shanghai Donghu Cinema is located in Xuhui District, the proposed quiet within the district, but its ventilation and air conditioning system noise, affecting residents and residents around the East Lake, the city departments require a deadline to solve the main noise source of the theater there are four During the normal operation of these equipments, before unmanaged, at the distance of 1.0m outside the window of the fifth floor of Shanghai Armed Police Corps dormitory about 6m, the measured noise during the day is A sound level