发明名称 TRANSMISSION OF SD/HD PIP VIDEO SIGNALS
摘要 A method and system for multicasting video signals over a network. A standard definition (SD) picture-in-picture (PIP) multicast video signal is encoded from a video signal. A common network address is assigned to the SD PIP multicast video signal for both SD PIP video content and high definition (HD) video content.
申请公布号 EP2024861(A4) 申请公布日期 2010.07.21
申请号 EP20070755822 申请日期 2007.04.20
申请人 AT&T INTELLECTUAL PROPERTY I, L.P. 发明人 MEDFORD, BRAD A.;NADARAJAH, DINESH
分类号 H04N5/45;H04N7/173 主分类号 H04N5/45
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