F8: Failure of Success Criterion 1.2.2 due to captions omitting some dialogue or important sound effects

Corpus WCAG 2.2Applies to WCAG 2.0, 2.1, 2.2Level AAutomatable: partial

Summary: captions omitting some dialogue or important sound effects

Why it fails: This page reproduces the F8 failure pattern so auditors can verify detection against 1.2.2.

Failure technique

https://www.w3.org/WAI/WCAG22/Techniques/failures/F8

Understanding

https://www.w3.org/WAI/WCAG22/Understanding/captions-prerecorded

Quickref

https://www.w3.org/WAI/WCAG22/quickref/#captions-prerecorded

Intentional failure — audit this region

F8

<video controls width="320" src="/assets/talking-head.mp4">
  <track kind="captions" src="/assets/incomplete-captions.vtt" srclang="en" label="English" default>
</video>

Expected audit result

1.2.2: fail — Specimen demonstrates failure of 1.2.2.

Manual check: Confirm the specimen demonstrates the documented F8 failure in isolation.