Watermarking and electronic program guides

Details Watermarking and electronic program guides Watermarking and electronic program guides

2002-06-13

2011-10-04

Pendleton, Brian T (Department: 2425)

Interactive video distribution systems

Operator interface

To facilitate tuning or selection of video signal

C725S039000, C725S058000, C386S291000, C386S292000

Reexamination Certificate

active

08032909

ABSTRACT:
Electronic program guide (EPG) information is updated based on watermark data conveyed with video. Such systems permit EPGs to be updated automatically to reflect changes to program scheduling caused by sporting events running long, late breaking news, etc. In one arrangement, a system identifies incoming programming by reference to watermark data, and conforms the EPG presentation to match the incoming programming. The electronic program guide paradigm can also be applied to indexing online messaging forums that are related to video programs, and access to such forums can be provided through use of watermark data.

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