Method and apparatus for detecting format of closed caption...

Details Method and apparatus for detecting format of closed caption... Method and apparatus for detecting format of closed caption...

2008-03-25

2008-03-25

Ho, Duc (Department: 2619)

Multiplex communications

Communication techniques for information carried in plural...

Adaptive

C370S389000, C370S392000, C348S441000

Reexamination Certificate

active

07349429

ABSTRACT:
A method and apparatus for detecting a format of closed caption data contained in a broadcast signal automatically and displaying the caption data are provided. The method includes: (a) receiving information including closed caption data extracted from the broadcast signal, (b) detecting information on the format of the closed caption data from the received information including the closed caption data and determining the format of the closed caption data, and (c) decoding the closed caption data according to the determined format of the closed caption data and displaying the caption data to a user.

REFERENCES:
patent: 6373526 (2002-04-01), Kessler et al.
patent: 6784943 (2004-08-01), Tults
patent: 7050109 (2006-05-01), Safadi et al.
patent: 2002/0067428 (2002-06-01), Thomsen

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