KWCAG 2.2 · 5.2.1

How to test Captions for multimedia

How to evaluate the KWCAG 2.2 checkpoint “Captions for multimedia”. Automation catches part of it; the rest needs a person.

Which standards this maps to

Korean standard (KWCAG 2.2): 5.2.1 Captions for multimedia; Perceivable
International standard (WCAG 2.2): 1.2.1 Audio-only and Video-only (Prerecorded) (A) ↗1.2.2 Captions (Prerecorded) (A) ↗1.2.3 Audio Description or Media Alternative (Prerecorded) (A) ↗

Play each video/audio and confirm captions, transcript, or sign language are provided and synchronized.

3 automated rules judge this checkpoint. Each comes with remediation guidance.

Video elements must have captions video-caption
Provide captions via a track element, or at minimum a transcript.
Audio elements must have captions or transcript audio-caption
Provide a transcript or caption track for audio content.
Video has no captions track a11ychk:captions-track
Video with audio needs captions. Add <track kind="captions">, or verify manually if captions are provided another way.

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