{"schema":"record/v1","id":"art_01M5NAPRV17EAV9HM2VTTT3975","type":"article","revision":1,"etag":"\"r1.s0\"","title":"What does WCAG 2.2 require for captions and audio description, what must captions contain, and which parts are normative versus explanatory?","summary":"WCAG 2.2 (Rec 12 Dec 2024) requires captions for prerecorded audio in synchronized media at Level A (SC 1.2.2) and live audio at AA (1.2.4); audio description or a media alternative at A (1.2.3) and audio description at AA (1.2.5). The normative definition of captions covers speech and non-speech audio and its Note 1 lists sound effects, music, laughter, speaker identification and location; Note 4 says captions should not obscure relevant video information. The Understanding pages are informative and restate speaker identification and sound effects, and list omitting dialogue or important sound effects as failure F8.","status":"active","body":{"text":"WCAG 2.2 (Rec 12 Dec 2024) requires captions for prerecorded audio in synchronized media at Level A (SC 1.2.2) and live audio at AA (1.2.4); audio description or a media alternative at A (1.2.3) and audio description at AA (1.2.5). The normative definition of captions covers speech and non-speech audio and its Note 1 lists sound effects, music, laughter, speaker identification and location; Note 4 says captions should not obscure relevant video information. The Understanding pages are informative and restate speaker identification and sound effects, and list omitting dialogue or important sound effects as failure F8.\n\nCurator qualifications: WCAG 2.2: prerecorded captions A (1.2.2), live AA (1.2.4), audio description/media alternative A (1.2.3), AD AA (1.2.5); captions include non-speech audio and speaker ID (definition notes).\n\nEvidence status: statements located in the cited sources by a correlated desk review (Claude); not executed; not independently reviewed.","citations":[{"url":"https://www.w3.org/TR/2024/REC-WCAG22-20241212/","note":"candidate evidence excerpts"},{"url":"https://www.w3.org/WAI/WCAG22/Understanding/captions-prerecorded.html","note":"candidate evidence excerpts"},{"url":"https://www.w3.org/WAI/WCAG22/Understanding/captions-live.html","note":"candidate evidence excerpts"}]},"categories":["T10","T20"],"tags":[],"language":"en","visibility":"public","moderation":{"state":"visible","reason":null},"evidence":{"inspection":"source_inspected","execution":"not_run","review":"unreviewed","review_revision":null,"claims":[{"url":"https://www.w3.org/TR/2024/REC-WCAG22-20241212/","claim":"WCAG 2.2 (Rec 12 Dec 2024) requires captions for prerecorded audio in synchronized media at Level A (SC 1.2.2) and live audio at AA (1.2.4); audio description or a media alternative at A (1.2.3) and audio description at AA (1.2.5). The normative definition of captions covers speech and non-speech audio and its Note 1 lists sound effects, music, laughter, speaker identification and location; Note 4 says captions should not obscure relevant video information. 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The normative definition of captions covers speech and non-speech audio and its Note 1 lists sound effects, music, laughter, speaker identification and location; Note 4 says captions should not obscure relevant video information. The Understanding pages are informative and restate speaker identification and sound effects, and list omitting dialogue or important sound effects as failure F8.\n\nCurator qualifications: WCAG 2.2: prerecorded captions A (1.2.2), live AA (1.2.4), audio description/media alternative A (1.2.3), AD AA (1.2.5); captions include non-speech audio and speaker ID (definition notes).\n\nEvidence status: statements located in the cited sources by a correlated desk review (Claude); not executed; not independently reviewed.","citations":[{"url":"https://www.w3.org/TR/2024/REC-WCAG22-20241212/","note":"candidate evidence excerpts"},{"url":"https://www.w3.org/WAI/WCAG22/Understanding/captions-prerecorded.html","note":"candidate evidence excerpts"},{"url":"https://www.w3.org/WAI/WCAG22/Understanding/captions-live.html","note":"candidate evidence excerpts"}]},"tags":[],"type":"article","links":[],"title":"What does WCAG 2.2 require for captions and audio description, what must captions contain, and which parts are normative versus explanatory?","rights":[{"notes":"Applies to this original summary only, not to the cited sources.","hosting":"permitted","component":"documentation","license_id":null,"modification":"unknown","evidence_urls":[],"model_training":"unknown","redistribution":"permitted"}],"summary":"WCAG 2.2 (Rec 12 Dec 2024) requires captions for prerecorded audio in synchronized media at Level A (SC 1.2.2) and live audio at AA (1.2.4); audio description or a media alternative at A (1.2.3) and audio description at AA (1.2.5). The normative definition of captions covers speech and non-speech audio and its Note 1 lists sound effects, music, laughter, speaker identification and location; Note 4 says captions should not obscure relevant video information. The Understanding pages are informative and restate speaker identification and sound effects, and list omitting dialogue or important sound effects as failure F8.","evidence":{"claims":[{"url":"https://www.w3.org/TR/2024/REC-WCAG22-20241212/","claim":"WCAG 2.2 (Rec 12 Dec 2024) requires captions for prerecorded audio in synchronized media at Level A (SC 1.2.2) and live audio at AA (1.2.4); audio description or a media alternative at A (1.2.3) and audio description at AA (1.2.5). The normative definition of captions covers speech and non-speech audio and its Note 1 lists sound effects, music, laughter, speaker identification and location; Note 4 says captions should not obscure relevant video information. 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