随着国民经济与科学技术的增长,人们的物质水平得到了很大的提高,对各种文化活动的需求大大提高,各地政府为满足快速增长的人类精神文明的需求,投入了大量的资金进行相应的硬件建设,不同规模的剧院、礼堂、影院、体育馆及多功能厅等的建设相续建成,为人类物质文化生活提供了相应的保障。特别是最近几年,各地的建设项目日渐增多,国内的电声技术的发展推陈出新,各种新技术、新产品、新应用都得到了长足的发展。 With the growth of the national economy and science and technology, people’s material level has been greatly improved, the demand for various cultural activities has been greatly increased, and various local governments have invested heavily in meeting the rapidly growing demand for human spiritual civilization Corresponding hardware construction, construction of different sizes of theaters, auditoriums, cinemas, gymnasiums and multi-purpose halls continue to be completed, providing corresponding protection for human material and cultural life. Especially in recent years, the construction projects in various places have been increasing day by day. The development of domestic electro-acoustic technology has been revitalized. Various new technologies, new products and new applications have made great strides.