基于有线电视网络的北京大学VOD多媒体教学系统

VOD multimedia teaching system of Peking University based on CATV networks

基于有线电视网络的北京大学VOD多媒体教学系统主要由采集编码系统、服务器系统、调制器、业务终端及后台管理系统等单元组成,可以实现课件、视频音频点播、视频音频直播、建立交互式协作学习环境等功能。采用BroadCableTM技术的光纤到楼的EoC方案进行双向改造后,只需要增加采集工作站和视频服务器即可完成该系统的建设。

The VOD multimedia teaching system of Peking University is based on CATV networks constituted mainly by coding system,the server system,modulator,service terminal and background management system units.It can realize the courseware,video and audio on demand,video and audio streaming,and establish the interactive learning environment and other functions.The construction of this system only needs to increase acquisition workstation and video server after transforming bidirectional networks of CATV by adopting fiber converter and EOC program of BroadCable TM technology.