With the flying development of the network multimedia technology, the multimedia application is emerging in endlessly in the Internet, such as VoIP, video conference, video order programmer, and remote education.

• 随着网络多媒体技术的飞速发展,互联网上的多媒体应用层出不穷,如IP电话、视频会议、视频点播、远程教育等多媒体实时业务。