36 lines
1.4 KiB
Markdown
36 lines
1.4 KiB
Markdown
[Back to 1 Perceivable index](index.md)
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# 1.2.7 Extended Audio Description (Prerecorded)
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- Level: AAA
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- Guideline: 1.2 Time-based Media
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- Principle: 1 Perceivable
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## What it is
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Where pauses in foreground audio are insufficient to allow audio descriptions to convey the sense of the video, extended audio description is provided for all prerecorded video content in synchronized media.
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## How to test
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- Check: Where pauses in foreground audio are insufficient to allow audio descriptions to convey the sense of the video, extended audio description is provided for all prerecorded video content in synchronized media.
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- Use the sufficient techniques below as acceptable methods when applicable.
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## Sufficient techniques (W3C)
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- G8: Providing a movie with extended audio descriptions
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- SM1: Adding extended audio description in SMIL 1.0
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- SM2: Adding extended audio description in SMIL 2.0
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- Using any player that supports audio and video
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## Advisory techniques (W3C)
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- H96: Using the track element to provide audio descriptions
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## Resources
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- WCAG 2.2 SC: https://www.w3.org/TR/WCAG22/#extended-audio-description-prerecorded
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- Understanding: https://www.w3.org/WAI/WCAG22/Understanding/extended-audio-description-prerecorded.html
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- Quick reference: https://www.w3.org/WAI/WCAG22/quickref/?versions=2.2#extended-audio-description-prerecorded
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[Back to 1 Perceivable index](index.md)
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