With the increasing of the need for VOD service on IP Network, many technologies about VOD on LAN have come into being.
目前，人们对在IP网络上VOD业务的需求与日俱增，在LAN上实现中小型VOD系统的技术也日益成熟。
From the beginning of VOD system based IP, the paper extensively discusses the key technology and developing trend of video signal transmitting over the Internet.
本文从IP VOD系统技术出发，广泛地讨论了视频信号在IP网上传输时所涉及到的关键技术及今后研究的方向。
From the beginning of VOD system based IP, the paper extensively discusses the key technology and developing trend of video signal transmitting over the Internet.
本文从IP VOD系统技术出发，广泛地讨论了视频信号在IP网上传输时所涉及到的关键技术及今后研究的方向。
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