1.7 KiB
1.7 KiB
1.2.5 Audio Description (Prerecorded)
- Level: AA
- Guideline: 1.2 Time-based Media
- Principle: 1 Perceivable
What it is
Audio description is provided for all prerecorded video content in synchronized media.
How to test
- Check: Audio description is provided for all prerecorded video content in synchronized media.
- Use the sufficient techniques below as acceptable methods when applicable.
- Confirm none of the common failures apply.
Sufficient techniques (W3C)
- G78: Providing a second, user-selectable, audio track that includes audio descriptions
- G173: Providing a version of a movie with audio descriptions
- SM6: Providing audio description in SMIL 1.0
- SM7: Providing audio description in SMIL 2.0
- G226: Providing audio descriptions by incorporating narration in the soundtrack
- Using any player that supports audio and video
- G8: Providing a movie with extended audio descriptions
- SM1: Adding extended audio description in SMIL 1.0
- SM2: Adding extended audio description in SMIL 2.0
- G203: Using a static text alternative to describe a talking head video
Advisory techniques (W3C)
- H96: Using the track element to provide audio descriptions
Common failures (W3C)
- F113: Failure of Success Criterion 1.2.5 due to not using available pauses in dialogue to provide audio descriptions of important visual content