Glossary
Terms used in accessibility research and practice. Each entry has a definition, common aliases, and category tags.
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- Descriptive Video Service(also: DVS, Described Video)
- A service that provides audio descriptions of visual content in television programs, films, and other video media for blind and low-vision viewers. Originally developed by WGBH in Boston in the 1980s, DVS was one of the earliest systematic efforts to make visual media accessible…
- Diegetic Sound(also: In-World Sound, Source Sound)
- Sound that originates from a source within the narrative world of a game, film, or virtual reality environment — meaning the characters or inhabitants of that world could theoretically hear it. Examples include a phone ringing, a dog barking, footsteps, a crackling fire, or a…
- Digital Comics Accessibility(also: Comic Accessibility, Graphic Novel Accessibility)
- The practice of making comics, graphic novels, manga, and webtoons accessible to people with disabilities, particularly those with visual impairments. Digital comics present unique accessibility challenges because they convey narrative through a combination of sequential art,…
- Digital News Accessibility(also: Accessible News Media)
- The design and implementation of digital news platforms—including websites, mobile applications, news aggregators, and audio-based services—so that they can be effectively used by people with disabilities, particularly blind and visually impaired users who rely on screen…
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