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Title:
METHOD AND APPARATUS FOR SIMULTANEOUS DISPLAY OF MULTIPLE AUDIO/VIDEO PROGRAMS TRANSMITTED OVER A DIGITAL LINK
Document Type and Number:
WIPO Patent Application WO2005050970
Kind Code:
A3
Abstract:
Simultaneous display of multiple audio/video (AV) programs transmitted over a digital link (106) is described (Figure 1). At a source device (102), at least one non-composited digital transport stream is generated from the plurality of AV programs. The at least one non-composited digital transport stream is augmented with control information (114). The control information is operative to invoke simultaneous display of the plurality of AV programs on a display device (124). The at least one non-composited digital transport stream is then transmitted as augmented over the digital link (106). At a sink device (104), at least one non-composited digital transport stream having the plurality of AV programs is received over the digital link (106). Control information is extracted from the at least one non-composited digital transport stream. The plurality of AV programs are identified within said non-composited digital transport stream in response to the control information. The identified AV programs are then simultaneously displayed on the display device (124).

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Inventors:
STONE CHRISTOPHER J (US)
ALLINSON STEPHEN A (US)
DEL SORDO CHRISTOPHER S (US)
HOWARD BRAD T (US)
ZIEGLER TERRY L (US)
Application Number:
PCT/US2004/037020
Publication Date:
April 27, 2006
Filing Date:
November 08, 2004
Export Citation:
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Assignee:
HE STATE OF DELAWARE GENERAL I (US)
STONE CHRISTOPHER J (US)
ALLINSON STEPHEN A (US)
DEL SORDO CHRISTOPHER S (US)
HOWARD BRAD T (US)
ZIEGLER TERRY L (US)
International Classes:
H04N5/445; H04N5/45; H04N5/44; (IPC1-7): H04N7/12
Foreign References:
US6035037A2000-03-07
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