In the United States and Canada, the terms subtitles and captions have different meanings. On the other hand, "open", "burned-in", "baked on", "hard-coded", or simply "hard" captions are visible to all viewers. The term "closed" (versus "open") indicates that the captions are not visible until activated by the viewer, usually via the remote control or menu option. 6.10 Non-linear video editing systems and closed captioning.5.3 Digital television standard captioning improvements.
CLOSED CAPTIONING PROVIDED BY TV
Both are typically used as a transcription of the audio portion of a program as it occurs (either verbatim or in edited form), sometimes including descriptions of non-speech elements. Closed captioning ( CC) and subtitling are both processes of displaying text on a television, video screen, or other visual display to provide additional or interpretive information.