WCAG 2.0 · Level A · Perceivable
WCAG 1.4.2 — Audio Control
Audio that plays automatically for more than 3 seconds needs a way to pause, stop, or mute it.
WCAG 1.4.2 at a glance
Level A · Principle: Perceivable · Added in WCAG 2.0. Level A is the minimum — failing it blocks some users entirely.
What it means
Audio that plays automatically for more than 3 seconds needs a way to pause, stop, or mute it.
Who it helps
Screen-reader users (auto audio competes with their software) and many others.
Common failures
- Background music or video autoplaying with sound and no control
How to meet WCAG 1.4.2
- Avoid autoplaying audio
- If you must, provide an obvious pause/mute control
How to test it
Manual.