| 基于DirectShow的视频会议系统的设计与实现 |
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| 引用本文： | 胡凡良,宋玲,李陶深. 基于DirectShow的视频会议系统的设计与实现[J]. 计算机工程与设计, 2006, 27(7): 1164-1166,1169 |
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| 作者姓名： | 胡凡良 宋玲 李陶深 |
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| 作者单位： | 广西大学,计算机与电子信息学院,广西,南宁,530004 |
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| 摘 要： | H.332协议是H.323协议的扩展,它是一个分布式松耦合结构视频会议系统的规范.基于IP组播技术,采用MicrosoftDirectShow组件,研究并开发了一套符合H.332标准的视频会议系统.系统通过采用RTP/RTCP协议等技术,缓解了音频视频数据包的丢失、延迟和音视频同步等问题,保证了视频会议的服务质量.由于系统是纯软件实现的,因而大大节省了成本,具有一定的实用价值.
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| 关 键 词： | 过滤器 组播 视频会议 服务质量 |
| 文章编号： | 1000-7024（2006）07-1164-03 |
| 收稿时间： | 2005-01-18 |
| 修稿时间： | 2005-01-18 |
Design and implement of video-conferencing system based on directshow |
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| HU Fan-liang,SONG Ling,LI Tao-shen. Design and implement of video-conferencing system based on directshow[J]. Computer Engineering and Design, 2006, 27(7): 1164-1166,1169 |
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| Authors: | HU Fan-liang SONG Ling LI Tao-shen |
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| Affiliation: | College of Computer and Electronics Information, Guangxi University, Nanning 530004, China |
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| Abstract: | H.332 protocol, which is the extension ofH.323, is the criterion of distributed loosely-coupled video-conferencing. Adopting microsoft sirectshow, such a system is researched and developed based on IP multicast. Packet-lose, delay and synchronization of audio and video are alleviated by using RTP/RTCP, and quality of service ofvideo-conferencing is guaranteed. It is very economical since the software plays a main role in the whole system, and it has some value in application. |
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| Keywords: | DirectShow |
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