The Safety Of. Digital Radio Broadcast On The Realization Of Automated Control Equipment

The automatic broadcasting system of Digital Audio Broadcast(DAB) has been used in many broadcasting stations in China. The subsystem of MAIN CONTROL is a key part to ensure the general playing for program in this system.In this paper, digital audio transmission theory and standard are discussed from the point of Digital Broadcasting Automatization firstly. Secondly, the design of MAIN CONTROL system is introduced, which is powerful and steady. A lot of theory and technology are applied in this design such as digital audio transimision, computer interface technology, computer programming technology ,Windows NT device drivers , serial communication in PC etc. The application of these theory and technology in this system has been mainly discussed.This design of MAIN CONTROL system has been using in some broadcasting stations and it is perfered by user.