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EXPLORER
CLOSED C PTIONING
What is closed captioning?
Closed captioning is text on the TV screen related to the programming being viewed. What you see is an abbreviated
version of the actors' dialogue and indications of important background sounds. For sporting events, closed captioning
provides realtime play-by-play descriptions from the announcers. Closed captioning is provided for those requiring assis-
tance understanding and enjoying sound.
Does my TV support closed captioning?
Many TVs support closed captioning through the RF and baseband inputs. When your HDTV-to-set-top connection is through
the YPrPb port or the DVI port, closed captioning is decoded and displayed by the Explorer
Who provides closed captioning?
Several companies (sources) provide closed-captioning service to television networks and production companies for
standard (analog) and digital programming.
Closed-captioning sources for standard (analog) programming
• Std CC1 is the primary caption service for non-digital programming.
• Std CC2 through Std CC4 are text services that may contain different information, including alternate languages.
• T1 through T4 are text services that may also provide additional information from the closed-caption provider.
Closed-captioning sources for digital programming
• Digital 1 is the primary caption source.
• Digital 2 is the suggested choice for alternate languages.
• Digital 3 through Digital 6 are undefined at this time.
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