What is the difference between subtitles and closed captions?
Although closed captions (CCs) and subtitles look similar, they’re designed for two different purposes. Subtitles provide a text alternative for the dialogue of video footage – the spoken words of characters, narrators and other vocal participants.
Closed Captions, on the other hand, not only supplement for dialogue but other relevant parts of the soundtrack – describing background noises, phones ringing and other audio cues that need describing.
Essentially, subtitles assume an audience can hear the audio, but need the dialogue provided in text form as well. Meanwhile, closed captioning assumes an audience cannot hear the audio and needs a text description of what they would otherwise be hearing.