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基于Internet的视频会议系统的设计与实现
引用本文:臣勇,须德.基于Internet的视频会议系统的设计与实现[J].计算机工程与应用,2005,41(13):221-223.
作者姓名:臣勇  须德
作者单位:北京交通大学计算机与信息技术学院,北京,100044;北京交通大学计算机与信息技术学院,北京,100044
摘    要:桌面视频会议是近年来网络应用的重点,国际电信联盟(ITU)也为基于分组交换网络(PBN)的多媒体会议系统制定了H.323建议。论文介绍了一个依据ITU-TH.323建议开发的、适用于TCP/IP网络的多点视频会议系统。在该系统中,用软件实现了MCU,大大降低了系统成本。该系统使用C/S结构和集中式的控制方式,适合在Internet上使用。测试结果表明,该系统具有较高的实用价值。

关 键 词:视频会议  H.323  MCU
文章编号:1002-8331-(2005)13-0221-03

Design and Implementation of a Video Conference System over Internet
Chen Yong,Xu De.Design and Implementation of a Video Conference System over Internet[J].Computer Engineering and Applications,2005,41(13):221-223.
Authors:Chen Yong  Xu De
Abstract:Desktop video conference system is one of the focuses in internet application in recent years,and the International Telecommunication Union(ITU) has been also purposed the Recommendation H.323 for multimedia commu-nications over Packet Based Networks(PBN).According to the ITU-T Recommendation H.323 Draft V4,the authors have designed and implemented a multipoint video conference system,which is based on the TCP/IP network.The MCU in this system is totally implemented by pure software;therefore,the system is tremendously economic.This system is based on Client/Server structure and running in centralized mode,thus it is suitable to be used on the Internet.The experimental results show that our system has certain value in application.
Keywords:video conference  H  323  MCU
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