The multi-function hall of a university in Hubei has the functions of conference hall, video conference hall, lecture hall, academic discussion hall, training hall and performance needs of cultural activities. The system includes: large screen display system, intelligent conference system, sound reinforcement system, intelligent central control system, matrix switching system, recording and broadcasting system, stage lighting system, electric opening system and other subsystems. The high cost performance equipment designed by our company is   ed in this system, which meets the characteristics of high audio quality reduction, high definition of video image and high intelligent integration of control system of modern conference.