Established in 1988, DSPPA is not only a large-scale and powerful national high-tech enterprise, but the chief editor of the Technical Code for Public Address System Engineering of China. Besides, DSPPA has been dedicated to the audio and video technology for more than 3 decades, with several independent research and development bases and hundreds of national patents. Today, with the AI technology as its core, DSPPA will make a strategic upgrade for its products and move towards the artificial intelligence, as well as bring its self-developed systems, such as the public address system, conference system and recording and broadcast system, into the AI era.