Since the emergence of computer technology, the content of computer technology has permeated to any field of the social application. Great changes in the development of human in computer multimedia digital era have occurred. We experienced the rapid development of digital technology, audio and video technology, and saw that it was penetrated into all aspects of the society and life with an amazing speed. The digital technology, audio and video technology has been fully penetrated into the broadcast television field, and will bring real change on our industry. To clearly grasp the development trend of digital audio technology has very important significance in promoting the digital process of film and television field. This paper describes the application of computer multimedia and video technology, video audio and video conference system and image compression technology.%自从计算机技术出现后，在社会应用的任何领域无不渗透着计算机技术的内容。计算机多媒体数字化时代对人类的发展产生了巨大的变化，我们亲身经历了数字技术和音像技术的蓬勃发展，目睹了它以惊人的速度，渗透到社会与生活的方方面面。数字化技术和音像技术已全面的进入到广播影视领域，正对我们的行业带来实质性的变革。清楚地把握数字音频技术的发展动向，对正确推进广播影视领域的数字化进程将有极其重要的意义。本文对计算机等多媒体和音像技术的应用、视频音像会议系统、图像压缩技术等进行了一个阐述。
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