Digital broadcast receiver and method for processing caption...

Details Digital broadcast receiver and method for processing caption... Digital broadcast receiver and method for processing caption...

2008-04-01

2009-06-02

Natnael, Paulos M (Department: 2622)

Television

Nonpictorial data packet in television format

Including teletext decoder or display

Reexamination Certificate

active

07542096

ABSTRACT:
A digital cable broadcast receiver and a method for automatically processing caption data of various standards and types, is disclosed. The digital broadcast receiver includes: a demultiplexer for dividing a received broadcast stream into video data, audio data, supplementary information; a controller for determining whether caption data included in the video data is digital caption data or analog caption data on the basis of caption information included in the supplementary information, and outputting a control signal according to a result of the determining; a digital caption decoder for extracting and decoding digital caption data from the video data according to the control signal; and an analog caption decoder for extracting and decoding analog caption data from the video data according to the control signal.

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