Home › Learn › What Is Closed Captioning? — Definition and How It Works
Closed captioning (CC) is text displayed on screen that represents the audio content of a video. Unlike subtitles, closed captions include speaker identification, sound effects, and other audio information for deaf and hard-of-hearing viewers.
Closed captioning vs subtitles
Closed captions: for deaf/hard-of-hearing viewers, includes all audio information
Subtitles: translations for viewers who speak a different language
Open captions: burned into the video, cannot be turned off
Closed captions: can be turned on or off by the viewer
SDH (Subtitles for the Deaf and Hard of Hearing): subtitles with caption-style information
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