1.2.3 Audio Description or Media Alternative (Prerecorded)

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1.2.3 Audio Description or Media Alternative (Prerecorded): An alternative for time-based media or audio description of the prerecorded video content is provided for synchronized media, except when the media is a media alternative for text and is clearly labeled as such. (Level A)

Background

• Understanding SC 1.2.3

Which elements / situations are tested?

This tests check for the correct use of techniques to provide either a textual alternative or an audio description for video content in time based media (<video>, <embed>, <object>).

• elements that may contain video content: SC1-2-3-audiodescriptions-or-transcript

Expert input

Open questions

Should technologies possibly used for including animations (SVG, Canvas,) also be considered?