【摘要】 ISDN多媒体会议系统以其较高的性能价格比成为发展现代远程教育的重要技术基础。文章设计了ISDN多媒体会议式远程教学系统的基本结构和应具有的教学功能:指出了该系统所涉及的MCU、共享白板、控制模式等关键技术;分析了它在远程课堂授课和问题讨论中的具体应用。更多还原

【Abstract】 ISDN multimedia conference system has become an important technological basis of developing modern distance education because of its high ratio of quality and price. This paper designs a composition and instructional functions of the instructional system based on ISDN multimedia conference system; points out its key technologies of MCU, shared white blackboard, control modes, etc; analyses its concrete instruction application.更多还原