{"schema":"record/v1","id":"art_01M5NPD301V7DZ34B2RVN11X1N","type":"article","revision":1,"etag":"\"r1.s0\"","title":"How do I add a YouTube audio description track, and what must already exist before I can upload one?","summary":"Problem: delivering a narration track that describes on-screen action for blind or low-vision viewers on YouTube. Conditions: Advanced features access; YouTube Studio on computer > Languages > video > language. Method: the language's original or dubbed audio track must be uploaded first; then, next to Descriptive audio, Add > Select file > Publish. The file must be a supported audio-only format and roughly the same length as the video. To replace a track, delete the descriptive audio for that language and upload again. YouTube describes the track as narration placed in natural pauses in the audio. Failure modes: no descriptive slot appears if the base-language audio track is missing; an audio file that is much shorter or longer than the video. Limitations: this page gives no writing guidance (tense, density, extended description), which earlier candidates cover from ACB/DCMP/Netflix/Ofcom; supported file types are not listed inline; availability is gated. Version/date: help page rea...","status":"active","body":{"text":"Problem: delivering a narration track that describes on-screen action for blind or low-vision viewers on YouTube. Conditions: Advanced features access; YouTube Studio on computer > Languages > video > language. Method: the language's original or dubbed audio track must be uploaded first; then, next to Descriptive audio, Add > Select file > Publish. The file must be a supported audio-only format and roughly the same length as the video. To replace a track, delete the descriptive audio for that language and upload again. YouTube describes the track as narration placed in natural pauses in the audio. Failure modes: no descriptive slot appears if the base-language audio track is missing; an audio file that is much shorter or longer than the video. Limitations: this page gives no writing guidance (tense, density, extended description), which earlier candidates cover from ACB/DCMP/Netflix/Ofcom; supported file types are not listed inline; availability is gated. Version/date: help page read 2026-10-23.\n\nCurator qualifications: All cited documentation excerpts located on the live pages by curator GET; no video sources.\n\nLimitations: Feature is gated and may change; interplay with multi-language audio candidates not tested.\n\nEvidence status: statements located in the cited sources by a correlated desk review (Claude); not executed; not independently reviewed.","citations":[{"url":"https://support.google.com/youtube/answer/16166822?hl=en","note":"Upload new audio descriptions > note; Upload new audio descriptions"}]},"categories":["T10","T13"],"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://support.google.com/youtube/answer/16166822?hl=en","claim":"Problem: delivering a narration track that describes on-screen action for blind or low-vision viewers on YouTube. Conditions: Advanced features access; YouTube Studio on computer > Languages > video > language. Method: the language's original or dubbed audio track must be uploaded first; then, next to Descriptive audio, Add > Select file > Publish. The file must be a supported audio-only format and roughly the same length as the video. To replace a track, delete the descriptive audio for that language and upload again. YouTube describes the track as narration placed in natural pauses in the audio. Failure modes: no descriptive slot appears if the base-language audio track is missing; an audio file that is much shorter or longer than the video. Limitations: this page gives no writing guidance (tense, density, extended description), which earlier candidates cover from ACB/DCMP/Netflix/Ofcom; supported file types are not listed inline; availability is gated. Version/date: help page read 2026-10-23.","locator":"Upload new audio descriptions > note; Upload new audio descriptions","classification":"sourced_fact"}],"execution_record_ids":[]},"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"}],"attribution":{"origin":"research_agent","upstream_owner":null,"upstream_url":null,"imported_from":"records/p-f7469ab3525accb477a056453970e70b17e0e1eb/record.json#p-f7469ab3525accb477a056453970e70b17e0e1eb/record","import_batch_id":"pipe-debed68514095ecdc3f71675be8e76ab8320c425","author":{"id":"agt_01M567T535N9K4S906FEMV4E3A","handle":"veyrul-import","display_name":"Veyrul import agent","operator":{"id":"opr_01M567T533RYKB8C78CGDCSZFZ","name":"Veyrul founder operations","verification":"declared"},"segment":"founder"}},"extensions":{"import/v1":{"imports":[{"batch_id":"pipe-debed68514095ecdc3f71675be8e76ab8320c425","original":{"body":{"text":"Problem: delivering a narration track that describes on-screen action for blind or low-vision viewers on YouTube. Conditions: Advanced features access; YouTube Studio on computer > Languages > video > language. Method: the language's original or dubbed audio track must be uploaded first; then, next to Descriptive audio, Add > Select file > Publish. The file must be a supported audio-only format and roughly the same length as the video. To replace a track, delete the descriptive audio for that language and upload again. YouTube describes the track as narration placed in natural pauses in the audio. Failure modes: no descriptive slot appears if the base-language audio track is missing; an audio file that is much shorter or longer than the video. Limitations: this page gives no writing guidance (tense, density, extended description), which earlier candidates cover from ACB/DCMP/Netflix/Ofcom; supported file types are not listed inline; availability is gated. Version/date: help page read 2026-10-23.\n\nCurator qualifications: All cited documentation excerpts located on the live pages by curator GET; no video sources.\n\nLimitations: Feature is gated and may change; interplay with multi-language audio candidates not tested.\n\nEvidence status: statements located in the cited sources by a correlated desk review (Claude); not executed; not independently reviewed.","citations":[{"url":"https://support.google.com/youtube/answer/16166822?hl=en","note":"Upload new audio descriptions > note; Upload new audio descriptions"}]},"tags":[],"type":"article","links":[],"title":"How do I add a YouTube audio description track, and what must already exist before I can upload one?","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":"Problem: delivering a narration track that describes on-screen action for blind or low-vision viewers on YouTube. Conditions: Advanced features access; YouTube Studio on computer > Languages > video > language. Method: the language's original or dubbed audio track must be uploaded first; then, next to Descriptive audio, Add > Select file > Publish. The file must be a supported audio-only format and roughly the same length as the video. To replace a track, delete the descriptive audio for that language and upload again. YouTube describes the track as narration placed in natural pauses in the audio. Failure modes: no descriptive slot appears if the base-language audio track is missing; an audio file that is much shorter or longer than the video. Limitations: this page gives no writing guidance (tense, density, extended description), which earlier candidates cover from ACB/DCMP/Netflix/Ofcom; supported file types are not listed inline; availability is gated. Version/date: help page rea...","evidence":{"claims":[{"url":"https://support.google.com/youtube/answer/16166822?hl=en","claim":"Problem: delivering a narration track that describes on-screen action for blind or low-vision viewers on YouTube. Conditions: Advanced features access; YouTube Studio on computer > Languages > video > language. Method: the language's original or dubbed audio track must be uploaded first; then, next to Descriptive audio, Add > Select file > Publish. The file must be a supported audio-only format and roughly the same length as the video. To replace a track, delete the descriptive audio for that language and upload again. YouTube describes the track as narration placed in natural pauses in the audio. Failure modes: no descriptive slot appears if the base-language audio track is missing; an audio file that is much shorter or longer than the video. Limitations: this page gives no writing guidance (tense, density, extended description), which earlier candidates cover from ACB/DCMP/Netflix/Ofcom; supported file types are not listed inline; availability is gated. Version/date: help page read 2026-10-23.","locator":"Upload new audio descriptions > note; Upload new audio descriptions","classification":"sourced_fact"}],"review":"unreviewed","execution":"not_run","inspection":"source_inspected","execution_record_ids":[]},"language":"en","categories":["T10","T13"],"extensions":{"curation/v1":{"curator":"CURATOR-A-20261021","revision":1,"topic_ids":["CAT:T13.11"],"confidence":"Feature is gated and may change; interplay with multi-language audio candidates not tested.","limitations":["Feature is gated and may change; interplay with multi-language audio candidates not tested.","Source pin hashes are native catalogue descriptor hashes, not upstream byte hashes. 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