Glossary
Searchable terminology from accessibility, web standards, and related fields.
27 results found in video accessibility.
- Scene Change Detection (Shot Boundary Detection, Scene Transition Detection)
- An automated technique for identifying transitions between different scenes or shots in video content by analyzing visual differences between consecutive frames. In audio description workflows, scene …
- Scene Segmentation (Scene Detection, Shot Boundary Detection)
- Scene segmentation is the process of automatically dividing a video into discrete scenes or segments based on visual changes such as cuts, transitions, or the appearance of new elements in the frame. …
- Signer Box (Signing Space, Sign Space)
- The three-dimensional space in front of a sign language user within which signs are produced, typically extending from the waist to just above the head and about an arm's width to either side. The sig…
- Silent Gap Detection (Silence Detection, Audio Gap Detection)
- An automated technique for identifying periods of silence or absence of speech in audio tracks, used in audio description workflows to find natural insertion points for descriptions. Silent gap detect…
- Speech Gap (Dialogue Gap, Audio Gap)
- A pause or silence between spoken dialogue in a video or film where audio descriptions can be inserted without overlapping with the original soundtrack. Identifying speech gaps is a critical first ste…
- Subtitles (Captions, Closed Captions, CC)
- Text displayed on screen that represents the spoken dialogue and other relevant audio information in video content. Subtitles (called captions in North America) are essential for deaf and hard of hear…
- Video-Based Learning (VBL, video-based instruction, VBI)
- The use of pre-recorded or streaming video as a primary medium for teaching skills, procedures, or concepts, ranging from YouTube how-to tutorials and MOOCs to specialised instructional content like s…