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摘 要 当今社会信息技术的进步对社会的发展产生极其巨大的影响,其影响波及到社会的各个领域,促使了知识经济的崛起,世界文化的交汇,各国政治的公开和进一步的民主化。
信息技术在迅速改变社会的同时,也给教育以更大的发展空间。
通信技术、计算机技术和网络技术是信息技术的核心,它们为教育和学习突破时空的限制,为教育大众化的同时更加个别化和个性化提供了日益先进的技术支撑1。
视频传输在远程教育中有着举足轻重的地位,搭建起的视频传输平台才能给予与老师“面对面”交互式沟通的学习机会。
本系统就是着重开发视频以及桌面的点对点传输和多播传输。
通过多种网络协议,实现视频数据的传输,使得通信双方可是获得实时的信息。
关键词:远程教学系统,远程教学视频系统,C,.NET,UDP,RTP,TAPI3w ABSTRACT Information technology in todays society the progress of socialdevelopment to have an extremely great impact its influence is felt in all areasof society to promote the rise of the knowledge economy the worlds culturalcrossroads the political openness and further democratization. Informationtechnology in the rapidly changing society but also to education to a greaterspace for development. Communication technology computer technology andnetwork technology is the core of information technology they provideeducation and learning breakthroughs in space and time limitations for populareducation at the same time more individualized and personalized to provide theincreasingly sophisticated technical support . Video transmission in distance education has a pivotal position build aplatform for the video transmission can be given with the teacher quotface-to-facequotcommunication between the interactive learning opportunities. Focus on thedevelopment of this system is point-to-point desktop video and transmissionand multicast transmission. Through a variety of network protocols video datatransmission making communications both real-time information accesshowever.Keywords: distance learning system distance learning video system C . NETUDP RTP TAPI3w 目录1.课题的研究背景与目的 ............................................................................ 1 1.1 课题的研究背景 ............................................................................................ 1 1.2 课题的目的与意义 ....................................................................................... 2 1.3 课题完成的工作 ............................................................................................ 22 系统相关技术简介 ......................................................................................... 3 2.1 系统开发及其技术 ....................................................................................... 3 2.2 .NET 基本概念简介 ..................................................................................... 3 2.3 .NET 基类库 .................................................................................................. 6 2.4 语言和技术 .................................................................................................... 6 2.5 网络技术和协议 ............................................................................................ 8 2.5.1 TCP/IP 体系结构 ...................................