# WCAG 2.2 – 1.2.5 Audio Description (Prerecorded)

- Level: AA
- Principle: 1 Perceivable
- Guideline: 1.2 Time-based Media
- Introduced in: WCAG 2.0

## What the rule requires

Prerecorded videos have audio description: a voice describes important visuals during pauses in the dialogue.

## How to get it right

Offer a second audio track or a second version of the video with description. If the narration already covers everything, no extra track is needed.

## Who benefits

- Blind people
- People with low vision

## Sources

- [This rule on wcag.dehl.net](https://wcag.dehl.net/en/wcag/1-2-5/)
- [Official W3C explanation](https://www.w3.org/WAI/WCAG22/Understanding/audio-description-prerecorded)
- [Techniques (WCAG Quick Reference)](https://www.w3.org/WAI/WCAG22/quickref/#audio-description-prerecorded)

_Plain-language explanation. Only the original W3C text is normative._