The Hard Disk Broadcast Network Tv Broadcast System Automatically

In answering to the demand of the television-broadcasting field, this article presents through enormous analysis the designing principles and designing schemes for the Hard-disc Broadcasting Network System. It adopts Mpeg-2 as the video compression standard and chooses Sony RS422 communication protocol to communicate with outer systems. The overall designing and model realization of the Hard-disc Broadcasting Network System are explosively discussed by the elaboration of the function and application of upload station, edition station, audition station, broadcasting station and data-base server, and they are also verified in practice.Under the trend of television technology's transition from analogy to digital, from single computer to network, the hard-disc broadcasting system is bound to be the nucleus of the new generation of automatic television broadcasting system, and ultimately, to be the broadcasting system totally based on the hard-disc.Also in the article, the new way to realize the hard-disc broadcasting network and some shortcomings in it are offered, and it's development in future is pointed out as well.