Captions display the audio portion of media content as text, identify speakers, and describe other relevant sounds like clapping and applause, primarily for those who are deaf or hard of hearing. Captions are categorized as either open or closed. Open captions are always in view, as they are burnt into the video, whereas closed captions can be turned on and off by viewers. Special hardware or software decoders are required to view closed captions, and consumers need to learn how to turn captions on or off in order for them to be utilized.
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