WCAG – 1.2.5 Audio Description (Pre-Recorded) (Level AA)

1.2.5 Audio Description (Prerecorded): Audio description is provided for all prerecorded video content in synchronized media. (Level AA)


  • Video that includes important visual information has audio description.

Why is it important?

This ensures that information communicated visually in the video is available to people who cannot see it.


  • For videos that are pre-recorded, provide audio description of what happens on screen, even if you’ve already provided a text description.
  • Video content (like instructional videos, ads or interviews) must have audio description.

Common mistakes

  • A video includes important visual information but does not have audio description.
  • The audio description does not describe important information communicated visually in the video.
  • The audio description is not synchronised to complement the audio content of the video.


  1. Accessibility Guidelines- Github.io