Apparatus and method for selectively viewing video information

Details Apparatus and method for selectively viewing video information Apparatus and method for selectively viewing video information

1995-05-26

1996-10-01

Harvey, David E.

Television

Two-way video and voice communication

User positioning

348461, 348571, 348553, 348725, 386 46, 386 52, H04N 700

Patent

active

055614574

ABSTRACT:
A television presentation and editing system uses closed captioning text to locate items of interest. A closed captioning decoder extracts a closed captioning digital text stream from a television signal. A viewer specifies one or more keywords to be used as search parameters. A digital processor executing a control program scans the closed captioning digital text stream for words or phrases matching the search parameters. The corresponding segment of the television broadcast may then be displayed, edited or saved. In one mode of operation, the television presentation system may be used to scan one or more television channels unattended, and save items which may be of interest to the viewer. In another mode of operation, the system may be used to assist editing previously stored video by quickly locating segments of interest.

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patent: 5210611 (1993-05-01), Yee et al.
patent: 5369440 (1994-11-01), Sussman
Liebhold et al., "Digital Multimedia Systems" Communication of the ACM, Apr. 1991 vol. 34 No. 4.
Television Captioning for the Deaf Signal and Display Specifications Report No. E-7709-C, by John Lentz et al., Revised May 1980.
Little et al., "A Digital On-Demand Video Service Supporting Content-Based Queries", Proceedings of the ACM, Multimedia 1993, Anaheim CA., Aug. 1, 1993.

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