Audio Description or Media Alternative (Prerecorded)

In short

An audio description or full text alternative is provided for prerecorded video.

How Percelia tests it

There is no reliable purely automated signal for this criterion. Percelia assesses it AI-assisted and routes it to human review.

This criterion is judgment-bound and is always put to a human reviewer at Percelia, even at high confidence.

Official source

W3C Understanding document (w3.org)

Criteria under the same guideline

• 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)