The paper designs the video conference system by using the personal computer,video capturing device, network technology. The system is based on Visual C++6.0 developing platform. The transmission of the video and audio data uses IP multicast technology.

• 提出了一种采用PC机；视频采集设备；以VC++6.；0为开发平台及相应的网络技术构建的纯软件视频会议系统设计方案；并利用IP组播技术实现视频会议系统中视音频数据流的通信。