Noun
closed captioning (uncountable)
The display of text on a television or video screen, usually a transcription of the audio portion of a program as it occurs (either verbatim or in edited form), most frequently used by the deaf and language learners. Closed captions are encoded invisibly, and displayed by a decoder.
closed-captioning
Closed captioning will be on to ensure access for all. Source: Internet
Patti later formed Good Sport Captioning to provide remote captioning for other teams and venues. citation citation Video games Closed captioning of video games is becoming more common. Source: Internet
Technical development of closed captioning Closed captioning was first demonstrated at the First National Conference on Television for the Hearing Impaired in Nashville, Tennessee in 1971. Source: Internet