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Success Criterion · WCAG 1.4.2

Audio Control

If any audio on a Web page plays automatically for more than 3 seconds, either a mechanism is available to pause or stop the audio, or a mechanism is available to control audio volume independently from the overall system volume level.

Level AWCAG 2.0Perceivable1.4 · Distinguishable
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Success criterion

What WCAG 1.4.2 requires

Summarized directly from the official Understanding document so teams can quote the requirement accurately.

All non-text content that is presented to users must expose an equivalent text-based alternative unless a documented exception applies.

Fast facts

Conformance level
Level A
WCAG version introduced
WCAG 2.0
Principle
Perceivable
Guideline
1.4 · Distinguishable

Implementation checklist

Capture progress and blockers

  • Document how this criterion impacts your product and note any exceptions.
  • Describe the user experience goal in plain language for designers and engineers.
  • List the components, templates, or workflows that must meet this requirement.
  • Capture manual and automated testing steps for future audits.

Testing ideas

Prove conformance with evidence

  • Pair automated linting with human review to verify visual, auditory, or temporal aspects.
  • Use assistive technology walkthroughs (screen reader, keyboard, switch, voice) to validate behavior.
  • Capture screenshots or recordings that demonstrate pass/fail conditions.

Related success criteria

More from Distinguishable (1.4)

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