1.2 Time-based Media · Perceivable
WCAG 1.2.9 Audio-only (Live)
Level AAA
Provide a text alternative — typically real-time captions — for live audio-only content such as radio streams or audio conferences.
Common failures
- Live audio events have no live transcript or captioning service.
How to fix
- Stream live captions alongside the audio feed.
Related criteria
- WCAG 1.2.4 Captions (Live) Level AA