Method and system for inserting closed captions in video

Details Method and system for inserting closed captions in video Method and system for inserting closed captions in video

2004-10-25

2008-03-11

Lee, M. (Department: 2622)

Television

Nonpictorial data packet in television format

Including teletext decoder or display

C348S473000

Reexamination Certificate

active

07342613

ABSTRACT:
A closed captioning configuration system is described. The system receives parameters of a digital video presentation and computes closed captioning parameters to drive a closed captions encoder, creating closed captions which are compatible with the presentation. In various implementations, the configuration system may be integrated into a video encoder, a closed captions encoder, or both. The configuration system, through analysis of the presentation parameters, can drive captioning for presentations which may differ by frame rate, interlacing, or frame encoding mode, and account for repetition of fields or frames.

REFERENCES:
patent: 5541662 (1996-07-01), Adams et al.
patent: 6885406 (2005-04-01), Yui et al.
patent: 7106381 (2006-09-01), Molaro et al.
“ATSC Standard: Digital Television Standard (A53), Revision C Including Amendment No. 1,”Advanced Television Systems Committee, Jul. 2004, 114 pages.
“EIA Standard, Line 21 Data Services, EIA/CEA-608B (Revision of EIA-608-A),”Electronic Industries Alliance, Oct. 2000, 154 pages.

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