<video> element visual-only content has audio track alternative
This rule is not required for conformance to any accessibility requirements.
<video> elements without audio must have an audio alternative.
- The visual information of each test target is available through an audio track.
- This rule assumes that a mechanism is available to start the video and that the video element is not simply used to display the poster.
- This rule assumes that the language of each test target can be correctly determined (either programmatically or by analyzing the content), and sufficiently understood.
This rule has no known accessibility support concerns.
This document includes material copied from or derived from https://act-rules.github.io/rules/d7ba54/. Copyright © 2021 W3C® (MIT, ERCIM, Keio, Beihang).