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随着宽带技术的发展,FTP、HTTP、SMTP等传统数据业务已经很难满足人们的需求,视频点播、远程教育、视频会议、网络电视等流媒体业务已经成为新一轮运营竞争的焦点。在深入研究了流媒体基础理论的基础上,着重探讨了流媒体直播系统几个关键技术问题,包括反馈阻塞控制策略、缓冲技术、音频和视频同步等问题,并给出了相应的解决方案。
With the development of broadband technology, traditional data services such as FTP, HTTP and SMTP can hardly meet the needs of the people. Streaming media services such as video on demand, distance education, video conferencing and network television have become the focus of the new round of operational competition. On the basis of deeply studying the basic theory of streaming media, this paper focuses on several key technical issues of streaming media live broadcasting system, including the feedback blocking control strategy, buffering technology, audio and video synchronization and other solutions.