WCAG – 1.2.4 Captions (Live) (Level AA)

1.2.4 Captions (Live): Captions are provided for all live audio content in synchronized media. (Level AA)

Requirements

All live video content has captions that are synchronized with the audio content of the video.

Why is it important?

This ensures that the information communicated by the audio part of the video is available to people who can’t hear it.

Summary

  • Provide captions for videos and presentations that are performed live.
  • Live broadcast video must have captions that are synchronised with the audio content of the video.

Common mistakes

  • The live video does not have synchronised captions.
  • The live video has captions but they are not synchronised with the audio content of the video.

References

  1. Accessibility Guidelines- Github.io

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