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流媒体是指在Internet上以数据流的方式实时发布音频、视频多媒体内容的媒体,而流媒体技术则是在IP网络上发布多媒体数据流的技术。它改变了传统互联网的呆板形象,丰富了互联网的功能,成为一种有强大吸引力的新媒体。它广泛用于新闻出版、证券、娱乐、电子商务、远程培训、视频会议、远程教育、远程医疗等互联网信息服务等方面,将为网络信息交流带来革命性的变化。本文介绍流媒体技术的含义与特点、工作原理与系统组成、传输方式与主流格式,以及它在网络视频监控系统中的应用等。
Streaming media refers to the media that distributes audio and video multimedia content in real time in the way of data stream on the Internet, and the streaming media technology is a technology that distributes multimedia data stream on IP network. It has changed the dull image of the traditional Internet, enriched the function of the Internet, become a powerful new media attraction. It is widely used in news and information, securities, entertainment, e-commerce, distance training, video conferencing, distance education, telemedicine and other Internet information services and other aspects, will bring about a revolutionary change in network information exchange. This article introduces the meaning and characteristics of streaming media technology, working principle and system components, transmission methods and mainstream formats, as well as its application in network video surveillance system.