![]() ![]() If no slaves are added to a video that has multiple audio and video tracks, the resource defines which tracks are displayed and the UA, author and user have no means to turn tracks on/off.This markup example shows how a sign-language and a audio description track can be added as external resources to a main video element:ĭiv kind - List the accessibility affordance or affordances the track satisfies. ![]() ![]() In a exclusive group, only the first checked track is enabled.
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