多媒体视频会议系统是近年来国际上将“视频图像、语音等多媒体后息数字处理”与“数字通信传输技术”最新成果相结合的产物,它集计算机的交互性、通信的分布性以及电视的真实性为一体,具有明显的优越性,因而成为当今计算机领域的一个研究热点。本文主要讨论了该系统的组成、原理及关键技术,尤其是图像压缩技术的研究。 In recent years, the multimedia video conference system is a product of combining the latest achievements of “digital video transmission technologies” such as “digital processing of video images, voices and other multimedia services” in the international community. It sets the interactivity of computers, the distribution of communication, Authenticity as a whole, with obvious superiority, which has become a hot topic in today’s computer field. This article mainly discusses the system’s composition, principle and key technologies, especially the research of image compression technology.