disability: Auditory/Hearing
Promotes web accessibility for people who are d/Deaf or hard of hearing.
WCAG 2.0, 2.1, 2.2
Level A
1.1.1 Non-text Content
Images must have descriptive alternative text.
WCAG 2.0, 2.1, 2.2
Level A
1.2.1 Audio-only and Video-only (Pre-recorded)
Any audio-only content must also be conveyed in text. Any video content with no audio track must also be described in text, but could also be described with audio.
WCAG 2.0, 2.1, 2.2
Level A
1.2.2 Captions (Pre-recorded)
The audio in videos must be captioned.
WCAG 2.0, 2.1, 2.2
Level AA
1.2.4 Captions (Live)
Live videos that include audio must be captioned.
WCAG 2.0, 2.1, 2.2
Level AAA
1.2.6 Sign Language (Pre-recorded)
All prerecorded videos have sign language interpretation.
WCAG 2.0, 2.1, 2.2
Level AAA
1.2.9 Audio-only (Live)
Live captioning is provided for live audio.
WCAG 2.0, 2.1, 2.2
Level A
1.4.2 Audio Control
Auto playing audio that lasts more than 3 seconds can be turned down or stopped.
WCAG 2.0, 2.1, 2.2
Level AAA
1.4.7 Low or No Background Audio
For spoken audio content, any background noise or music is 20 decibels lower than the foreground speech.
