Registry · Perceivable

1.2.1 — Audio-only and Video-only (Prerecorded)

Level A Perceivable

Operational summary

IF recorded media contains only audio, provide equivalent time-based information in text; IF it contains only video, provide an equivalent text alternative or audio track. Check the clearly identified alternative-to-text exception.

This is an original implementation summary, not replacement normative text. The sources below supply the precise requirement, its definitions and its qualifications.

Primary sources

Registry record

Applicability and assessment start unset by design — no product has been evaluated. Instantiate the entry for an actual product, assign an owner and retain evidence.

data/wcag22-aa-registry.json

{
  "criterion_id": "1.2.1",
  "level": "A",
  "name": "Audio-only and Video-only (Prerecorded)",
  "rule_definition": "../03-WCAG22-AA-REGISTRY.md#sc-1-2-1",
  "normative_source": "https://www.w3.org/TR/WCAG22/#audio-only-and-video-only-prerecorded",
  "understanding_source": "https://www.w3.org/WAI/WCAG22/Understanding/audio-only-and-video-only-prerecorded.html",
  "applicability_status": "NOT_EVALUATED",
  "assessment_status": "NOT_TESTED",
  "owner": null,
  "test_instance_ids": [],
  "exception_evidence_ids": []
}

This criterion as JSON →