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一.引言在模拟电视向数字电视转变的进程中,数字化播出改造首当其冲。近几年来,广告节目硬盘自动播出和新闻节目硬盘自动播出等系统在许多电视台的成功应用,尤其是视频压缩技术、大容量存储技术和传输技术的迅速发展,使得以硬盘存储为基础建立电视数字化播出系统的方式已被业内所认同,并正在逐步得以推广应用。我局技术中心酝酿已久的电视节目硬盘自动播出项目也于今年二月正式启动。为此,我们对涉及硬盘播出的关键技术、产品、各种现有解决方案进行了研究和探讨,提出了
I. INTRODUCTION In the process of transition from analogue television to digital television, the digital broadcast and transformation bear the brunt. In recent years, the successful application of many systems such as the automatic broadcasting of advertisement programs and the automatic broadcast of news programs and hard disks, especially the rapid development of video compression technology, mass storage technology and transmission technology, has made the establishment based on hard disk storage The way of TV digital broadcast system has been recognized by the industry and is gradually being popularized and applied. Our bureau technical center long-awaited television program hard disk automatic broadcast project was officially launched in February this year. To this end, we have conducted research and discussion on the key technologies, products and various existing solutions concerning the hard disk broadcasting, and put forward