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# 1.2.6 Sign Language (Prerecorded)

- Level: AAA
- Guideline: 1.2 Time-based Media
- Principle: 1 Perceivable

## What it is

Sign language interpretation is provided for all prerecorded audio content in synchronized media.

## How to test

- Check: Sign language interpretation is provided for all prerecorded audio content in synchronized media.
- Use the sufficient techniques below as acceptable methods when applicable.

## Sufficient techniques (W3C)

- G54: Including a sign language interpreter in the video stream
- G81: Providing a synchronized video of the sign language interpreter that can be displayed in a different viewport or overlaid on the image by the player
- SM13: Providing sign language interpretation through synchronized video streams in SMIL 1.0
- SM14: Providing sign language interpretation through synchronized video streams in SMIL 2.0

## Resources

- WCAG 2.2 SC: https://www.w3.org/TR/WCAG22/#sign-language-prerecorded
- Understanding: https://www.w3.org/WAI/WCAG22/Understanding/sign-language-prerecorded.html
- Quick reference: https://www.w3.org/WAI/WCAG22/quickref/?versions=2.2#sign-language-prerecorded

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