Glossary
Terms used in accessibility research and practice. Each entry has a definition, common aliases, and category tags.
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- Caption Delay(also: Caption Latency, Synchronization Delay)
- The time lag between spoken audio and the appearance of the corresponding caption on screen. In live captioning, typical delays are around 5–6 seconds due to the time needed for captioners to hear, process, and produce text plus transmission overhead. In fast-paced sports, such…
- Captioning(also: Captions, Subtitles for the Deaf and Hard of Hearing, SDH)
- The process of displaying synchronized text on screen that represents spoken dialogue, sound effects, and other audio information in video content. Unlike subtitles, captions are specifically designed for deaf and hard of hearing viewers and include non-speech sounds like [door…
- Colour Commentary(also: Color Commentary, Colour commentator)
- In sports broadcasting, the analytical and contextual commentary provided alongside the play-by-play — offering opinions, background on players and teams, strategy discussion, and remarks during gameplay pauses. Colour commentary conveys information that is not visually present…
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