WCAGA
1.2.1 Audio-only and Video-only (Prerecorded) — For prerecorded audio-only and prerecorded video-only media, the following are true, except when the audio or video is a media alternative for text and is clearly labeled as such:
- WCAG references
- 1.2.1 Audio-only and Video-only (Prerecorded) (A)
Official methodology to test criterion 1.2.1
Test 1 (1.2.1)
- ulist:
- Prerecorded Audio-only:An alternative for time-based media is provided that presents equivalent information for prerecorded audio-only content.
- Prerecorded Video-only:Either an alternative for time-based media or an audio track is provided that presents equivalent information for prerecorded video-only content.