Data transport in caption service
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United States of America Patent
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Mar 6, 2018
Issued Date -
N/A
app pub date -
Nov 13, 2015
filing date -
Mar 12, 2010
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Abstract
A method of a reception apparatus for processing closed caption data. The method includes receiving audio/video (A/V) content and closed caption data for a first caption service and a second caption service. The closed caption data for the first caption service includes closed caption text and the closed caption data for the second caption service includes additional data. Caption service blocks are extracted from the closed caption data for both the first caption service and the second caption service when the first caption service is to be displayed with the A/V content. The additional data included in the closed caption data for the second caption service is parsed from the caption services blocks for the second caption service. A presentation of the A/V content and the closed caption text is output by the circuitry for display to a user of the reception apparatus.
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