Learn about audio and video accessibility and how to make your next video more inclusive
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Carie Fisher (she/her) Director of Digital Accessibility at Testlio HCI Ph.D. Candidate at Iowa State University Author of Google’s “Learn Accessibility” course
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Alternative Media Types
Captions
Transcripts
Audio Descriptions
Sign Language Interpretation
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Captions
Includes text synchronized with multimedia. Primarily for people who cannot hear the spoken words. Are considered either “open” or “closed” but are not subtitles.
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Subtitles vs Captions
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Auto-captions
“Some deaf people say auto-captions are NOT better than nothing. Some deaf people say automatic captions ARE better than nothing. Personally, I’d rather see no captions than watch automatic captions. Sure, I’m disappointed there aren’t captions but I avoid the painful experience of notoriously bad captions.” - Meryl Evans
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Transcripts
Similar to captions but include more details and time-stamps. Text-based document of spoken words and speaker identification. Can include sound effects and other visual description.
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Audio Descriptions
Include a narrator who explains visual information verbally. Convey visual info that dialogue and other sounds cannot. Primarily help people who are blind or have low vision.
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Sign Language Interpretation
A video or live-stream of an interpreter. For many people who are Deaf it may be first/primary language. Can be cost-prohibitive to many organizations.
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WCAG Requirements for Pre-Recorded Media
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WCAG Requirements for Live Media
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Demo Recap
Create and upload media or host a live-stream.
Allow time for the file to be processed.
Modify captions manually or upload an externally generated media or live-stream caption.
Review captioning results and download the transcript.