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Internet streaming media question- answering system based on DirectShow
Author(s): 
Pages: 361-365
Year: Issue:  2
Journal: JOURNAL OF SOUTHWEST UNIVERSITY FOR NATIONALITIES(NATURAL SCIENCE EDITION)

Keyword:  DirectShow流媒体RTP 网上答疑系统;
Abstract: 高等学校教学中传统的答疑方式往往是安排老师下班辅导,本文基于DirectShow的框架设计了一个不受时间地点限制的的流媒体网上答疑系统.在约定的时间,老师和学生可以通过网络进行实时的视频会话.系统采用MPEG-4的视频编解码器和RTP传输协议栈,及DirectShow技术实现流媒体的生成和传输服务.系统通过RTP/RTCP的反馈拥塞控制来进行QoS控制和实现了自适应传输,具有硬件成本低,使用方便的特点.
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