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Glossary

Terms used in accessibility research and practice. Each entry has a definition, common aliases, and category tags.

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Scanning Rate(also: Scan Rate, Scan Speed, Dwell Time)
The speed at which options in a scanning interface are sequentially highlighted, typically measured in seconds per item. The scanning rate is a critical configuration parameter in switch-access systems — too fast and the user cannot react in time to make a selection, too slow…
Self-Adaptive System(also: Self-Adapting System, Adaptive Interface)
A software or hardware system that automatically monitors user behaviour and adjusts its configuration or interface to better suit the user's needs without requiring explicit manual intervention. In accessibility, self-adaptive systems can detect changes in a user's motor…
Speaker Adaptation(also: Voice Adaptation, Speaker-Adaptive Training, Voice Personalization)
Speaker adaptation is the process of adjusting an existing automatic speech recognition (ASR) system — usually one trained on a large, demographically broad corpus of able-bodied speakers — to a particular individual's voice using a relatively small amount of that person's…

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