Accessible Videos
Captions (for video) or a transcript (for audio) should be included with all multimedia content. These alternate formats improve the playback experience for your audience in a variety of contexts and situations.
Captions and Subtitles
Captions:
- Display all audio information including sound effects or music
 - Identify speakers
 - Are displayed in the same language as the audio
 - Can be either “closed” (able to be turned on or off by the user) or “open” (on all the time)
 
Subtitles:
- Display only spoken content
 - Are often (but not always) in a language other than the language of the audio
 - Can be turned on or off by the user