Glossary
Terms used in accessibility research and practice. Each entry has a definition, common aliases, and category tags.
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- Participatory Captioning
- A framework proposed by Nguyen et al. (2026) that characterises social media video captioning as a collaborative, community-sustained infrastructure co-produced by viewers, creators, and platforms — rather than a top-down accessibility feature delivered unilaterally.…
- Picture-in-Picture(also: PiP, PIP)
- A display technique that shows a smaller video or content window overlaid on the main content, allowing viewers to see two sources simultaneously. In accessibility contexts, picture-in-picture is the primary method for presenting sign language interpretation in video and…
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