MEDIA-13: If auto-starting multimedia content or auto-starting audio is used, provide a means for users to have it muted by default, unless it ends within 3 seconds.
How to test
1. Identify any auto-starting multimedia content in which the sound is not muted by default, or any auto-starting audio content, and confirm that there is a persistent control to mute this content, or that it stops within 3 seconds.Exceptions
None
How to fix
For any page that has auto-playing or auto-updating content which lasts more than 3 seconds, provide a means for users to prevent this, or to have the content muted by default.
Related Standard: 1.4.2 A
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