Open Captions: Video that is accessed on the web can use open captions to provide on-screen text.Include instructions for users in your course. Users who want to access closed captions need to understand how to turn them on from their televisions or media players. Closed captions are not part of the actual video stream and exist in a separate text stream. Not all versions of media players support closed captions. Closed captions for video on the web are read by a media player, if it supports closed captions.
Closed captions for video on television are read by a decoder that is part of the hardware of all television sets sold in the United States. Users can turn them on or off with their video player or other controls.
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