随着我国加入世界贸易组织和竞争的日益激烈,随着数字化、网络化的飞速发展,广播电视技术和设备,也应随着科学技术的发展而发展。地方电视台播控系统的数字化改造更应迅速提上议事日程。目前地方电视台的电视播出系统一般都拥有四个机房,其中的一、二、三分控机房大都是在九十年代初建立并使用的。这三个机房系统的设备各地基本是大同小异,多数都采用了美国草谷公司的主控台和安徽现代的自动播出系统。九十年代中期建立起来的有线台一 With China’s accession to the World Trade Organization and increasingly fierce competition, with the rapid development of digitalization and networking, radio and television technologies and equipment should also develop with the development of science and technology. The digital transformation of the local television broadcasting system should be promptly put on the agenda. At present, the local television broadcasters generally have four computer rooms, of which the first, second and third control rooms are mostly built and used in the early nineties. The equipment of the three computer room system is basically the same throughout the majority of the United States adopted Grass Valley’s console and Anhui modern automatic broadcast system. The first set of nineties cable station