Level AAASince WCAG 2.0
1.2.7 Extended Audio Description (Prerecorded)
Guideline 1.2: Time-based Media – Audio and video need captions, descriptions or transcripts.
What does the rule require?
If the pauses in the dialogue are too short for description, the video pauses briefly so there is enough time to describe.
How to get it right
Offer a version where the picture pauses while the description is spoken.
Who benefits most?
- Blind people
- People with low vision
Official wording
This page explains the rule in simple words. Only the original W3C text is normative.
- “Understanding Extended Audio Description (Prerecorded)” at W3C (external site)
- Techniques in the WCAG Quick Reference (external site)