发明名称 IPTV DIGITAL-BROADCAST SYSTEM AND METHOD FOR REDUCING CHANNEL CHANGE TIME
摘要 There is provided a IPTV digital broadcast system and method capable of reducing a channel change time, the system including: an IPTV providing server providing a broadcast stream including broadcast data for each channel; an EPG server, when a client terminal accesses, providing an EPG, multicast group information for each channel, and PID information for each channel to the client terminal; and a PID providing server acquiring the PID information for each channel itself and providing the PID information for each channel to the EPG server.
申请公布号 US2010199305(A1) 申请公布日期 2010.08.05
申请号 US20080680179 申请日期 2008.02.27
申请人 ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE 发明人 LEE SANG HYEUN;LEE BYUNG TAK;YOON SIM KWON;SONG HO YOUNG;KIM BONG TAE
分类号 G06F13/14;H04N5/44 主分类号 G06F13/14
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