Transmission and reception of television programs and an additio

Details Transmission and reception of television programs and an additio Transmission and reception of television programs and an additio

1997-11-18

1999-12-07

Kostak, Victor R.

Television

Bandwidth reduction system

Plural video programs in single channel

348564, 348473, H04N 758

Patent

active

059992166

ABSTRACT:
A method and arrangement are disclosed for transmitting television programs via a plurality of channels, and an additional data service, for example, an Electronic Program Guide, via a selected television channel. While processing and displaying the program guide, prior art television receivers cannot continue the reproduction of a currently received TV program because the program is generally transmitted via a different channel. The invention provides a solution to this problem by duplicating a signal component representing, for example, the audio contents of the various television programs in said selected television channel. This allows customers to keep up with the service they were watching before, and to immediately return to the program if something of interest appears to happen. The invention is particularly applicable in Digital Video Broadcast (DVB) systems where each channel can accommodate a plurality of TV programs.

REFERENCES:
patent: 4876600 (1989-10-01), Pietzsch et al.
patent: 5040067 (1991-08-01), Yamakazi
patent: 5161012 (1992-11-01), Choi
patent: 5247365 (1993-09-01), Hakamada et al.
patent: 5537153 (1996-07-01), Shigihara
patent: 5612742 (1997-03-01), Krause et al.
patent: 5621463 (1997-04-01), Lyons et al.
patent: 5633683 (1997-05-01), Rosengren

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