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    • 5. 发明申请
    • INTERNET PROTOCOL TELEVISION
    • 互联网协议电视
    • WO2007120155A1
    • 2007-10-25
    • PCT/US2006/018574
    • 2006-05-12
    • KYLIN TV, INC.WANG, YunchuanSHU, WeiHER, Michael
    • WANG, YunchuanSHU, WeiHER, Michael
    • H04N7/173G06F15/16
    • H04N7/17318H04L29/06027H04L65/4084H04N21/23805H04N21/2381H04N21/2402H04N21/25816H04N21/44004H04N21/47202H04N21/6125H04N21/6408H04N21/64322H04N21/6437H04N21/6587
    • An on-demand video delivery system (100), comprising: a program center having a content server for receiving and storing media signals representing humanly perceptible video programs and for converting the media signals into coded media data suitable for streaming over the Internet (110); and a plurality of delivery servers, each connected to the content server and the Internet for establishing an unicast link over the Internet with a respective one of a plurality of set top boxes (STBs) to deliver, upon request made from an STB for a video program, the requested video program by streaming over the Internet using Internet Protocol (IP) (120), wherein each of the STBs includes: a buffer for receiving and temporarily storin a requested video program streamed from a delivery server over the Internet; a decoder for converting the coded media data to humanly perceptible video, and a processor for coordinating presentation of the humanly perceptible video to play on a television while the buffer receives packets of downstream coded media data from the respective delivery server (140).
    • 一种按需视频传送系统(100),包括:程序中心,具有内容服务器,用于接收和存储表示人为可感知的视频节目的媒体信号,并且用于将媒体信号转换成适合于通过因特网(110)流式传输的编码媒体数据, ; 以及多个传送服务器,每个服务器连接到内容服务器和因特网,用于通过互联网与多个机顶盒(STB)中的相应的一个机顶盒(STB)建立单播链路,以便根据STB从视频提供请求 程序,通过使用因特网协议(IP)(120)在因特网上流​​式传输所请求的视频节目,其中每个STB包括:缓冲器,用于接收并临时存储通过因特网从传送服务器流传输的所请求的视频节目; 用于将编码的媒体数据转换为人为可感知的视频的解码器,以及处理器,用于在缓冲器从相应的传送服务器(140)接收到下游编码的媒体数据的分组的同时协调在电视上播放的人为可感知视频的呈现。