Apparatus and methods for providing close captioning in a...

Details Apparatus and methods for providing close captioning in a... Apparatus and methods for providing close captioning in a...

H - Electricity

04

N

H04N 7/08 (2006.01) H04N 5/278 (2006.01) H04N 5/44 (2006.01) H04N 7/01 (2006.01) H04N 7/025 (2006.01) H04N 7/088 (2006.01) H04N 7/167 (2006.01) H04N 7/22 (2006.01) H04N 7/50 (2006.01) H04N 7/54 (2006.01) H04N 11/04 (2006.01) H04N 11/14 (2006.01) H04N 11/16 (2006.01) H04N 5/445 (2006.01)

Patent

CA 2154353

An apparatus for providing close captioning or text insertion in a digital program service delivery system comprising: a rate converter circuit (130) for receiving video codes and outputting video data, a video decoder circuit (132) for receiving the video data and outputting digital component video data, a digital to analog converter/analog encoder circuit (148) for converting the component video data into an analog video signal in a prescribed format; a line former circuit (142) for receiving close captioning digital data and forming a line of analog signal; a multiplexor (150) for inserting the line of analog signal into the analog video signal.

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