Perceivable / 1.2 Time-based Media

1.2.3Audio Description or Media Alternative (Prerecorded)

Level A

For prerecorded video, either add audio description that explains visual-only information -- on-screen text, actions, and so on -- during natural pauses in dialogue, or provide a full text alternative describing everything seen and heard. Either option ensures blind or low-vision users don't miss information conveyed only visually.

Note

A detailed commentary for this success criterion is not yet available. In the meantime, this page lists related patterns, techniques, and links to the normative sources.

Related Techniques

Specific implementation techniques for meeting this success criterion. This site doesn't include the full text, so follow the links to the original W3C documents.

Sufficient Techniques(12)

Show all (12)

Advisory Techniques(1)

H96: Using the track element to provide audio descriptions(opens in a new tab)waic.jp(opens in a new tab)

Normative References

Success Criterion 1.2.3 Audio Description or Media Alternative (Prerecorded) — WCAG 2.2(opens in a new tab)The normative requirement text.
Understanding Audio Description or Media Alternative (Prerecorded) — W3C(opens in a new tab)Official guidance on intent, examples, and techniques.