【摘要】 随着网络技术和视频通信技术的迅速发展,基于IP组播的视频传输服务应用日益广泛。在简述视频会议系统广泛用途的基础上,分析了视频会议系统的音视频服务的实现,并对其关键技术如IP组播、Directshow进行了阐述,最后对视频会议系统的发展前景进行了展望。更多还原

【Abstract】 Network technology,video communication technology,and the video transmission service based on IP multicast are widely used.This paper introduces the wide applications of video conferencing system and then analyses the realization of video-audio service,and explains its key technology such as IP multicast and Direct show.Finally the paper forecasts the future of video conferencing system.更多还原