WCAG 1.2.3
Level A
Perceivable
1.2.3 Audio Description or Media Alternative (Prerecorded)
Prerecorded video provides an audio description or a full text alternative of the visual content.
What 1.2.3 Audio Description or Media Alternative (Prerecorded) means
Blind users understand important visual information that is not spoken in the soundtrack.
How to test
Check that visual-only information in videos is described in audio or provided as a text alternative.
How to meet it
Add an audio description track, or provide a descriptive transcript covering the visuals.
Need help meeting 1.2.3?
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Official reference: Understanding 1.2.3 Audio Description or Media Alternative (Prerecorded) (W3C)
More Perceivable criteria
1.1.1 Non-text Content
1.2.1 Audio-only and Video-only (Prerecorded)
1.2.2 Captions (Prerecorded)
1.2.4 Captions (Live)
1.2.5 Audio Description (Prerecorded)
1.3.1 Info and Relationships
1.3.2 Meaningful Sequence
1.3.3 Sensory Characteristics
1.3.4 Orientation
1.3.5 Identify Input Purpose
1.4.1 Use of Color
1.4.2 Audio Control
1.4.3 Contrast (Minimum)
1.4.4 Resize Text
1.4.5 Images of Text
1.4.10 Reflow
1.4.11 Non-text Contrast
1.4.12 Text Spacing
1.4.13 Content on Hover or Focus