中央电视台第一个数字化演播室视频系统介绍

First Digital Studio in CCTV ──An Introduction to Video System

数字电视系统在提高图像质量方面已显示出极大的优越性。因此，世界各国电视台都已开始数字化的进程，中国也不例外。本文详细介绍了中央电视台第一个数字化演播室──８００ｍ２演播室的视频系统，包括视频系统数字信号格式的确定，主要设备的特点以及演播室数字视频系统的主要特点等，供广大同行参考。

Digital TV system has demonstrated great advantage in the respect of improving the image quality. So many TV stations all over the world have begun the digitalization course, it's the same in China. This paper introduces the video system of the first digital studio in CCTV in detail,including digital signal format,the features of equipments and the video system and so on.