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What is Closed-Captioning?

April 26, 2017closed-captioning

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What is Closed-Captioning?

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Closed-captioning is the display of audio portions of television and video programming as printed words on the television screen. In addition to displaying spoken dialogue and music lyrics, captions may identify speakers, sound effects, background music, and laughter. “Open” captions always appear directly on the television screen; “closed” captions are hidden as encoded data within the television signal and are displayed only when activated by the viewer. Since 1992, all televisions with screens 13″or larger are required to be equipped with the technology to display captioning, and consumers may purchase set-top decoders for older TV models.