基于WebRTC的视频会议系统的设计与实现

Design and Implementation of Video Conference System Based on WebRTC

视频会议能够给人们直观、真实的交流效果,提高人们的工作效率,受到了越来越多的企业和研究机构的重视。介绍了视频会议的发展现状;分析和研究了WebRTC技术、SIP协议及现有的SIP视频会议系统的框架和模型、Asterisk系统结构、Zaptel、FFmpeg等,并对其进行改进,实现了一个普通网络环境下的软件视频会议系统,该系统具有扩展性好、价格低廉、稳定可靠、带宽利用率高等特点。

Video conference which can give people an intuitive, real exchange effects and improve people＇s work efficiency, is subject to the attention of a growing number of companies and research institutions. The current development of video conference is introduced, and the WehRTC, SIP,framework and model of SIP video conference systems, Asterisk system, Zaptel, FFmpeg are ahalyzed and studied. It also provides a way of implementing the software video conference system in the eommon network environment. The system is scalable, low cost, reliable and high bandwidth utilization.