What the standard says
An alternative for time-based media that presents equivalent information for live audio-only content is provided.
Where this one sits
This is a Level AAA criterion. Level AAA is not required by the European Accessibility Act or EN 301 549, and W3C itself does not recommend it as a site-wide target — so we have kept our commentary to the A and AA set rather than padding out pages we cannot improve on.
How A11ySignal checks it
manual
No automated rule can judge this criterion, and we will not pretend otherwise. A clean scan does not mean 1.2.9 passes — it means nothing we can measure fails. This one needs a person.
Also under 1.2 Time-based Media
- 1.2.1 Audio-only and Video-only (Prerecorded)
- 1.2.2 Captions (Prerecorded)
- 1.2.3 Audio Description or Media Alternative (Prerecorded)
- 1.2.4 Captions (Live)
- 1.2.5 Audio Description (Prerecorded)
- 1.2.6 Sign Language (Prerecorded)
- 1.2.7 Extended Audio Description (Prerecorded)
- 1.2.8 Media Alternative (Prerecorded)