Glossary

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Edge Computing(also: Edge AI, Edge Intelligence)

Edge computing is a computing paradigm where data processing occurs on devices physically close to the user rather than in centralized cloud servers. For accessibility applications, edge computing offers important advantages including reduced latency for real-time assistive…

Educational Technology(also: EdTech, Learning Technology, Instructional Technology)

The use of technological tools and resources to facilitate teaching and learning. In accessibility contexts, educational technology encompasses assistive tools designed to support students with disabilities, such as screen readers, refreshable Braille displays, auditory graphing…

Egocentric Camera(also: First-Person Camera, POV Camera)

A camera that captures video from the wearer's point of view, typically mounted on the head, glasses, or chest. Egocentric video captures what the user sees or interacts with, making it valuable for activity recognition, assistive technology, and accessibility research. For BLV…

Embedded System(also: Embedded Device, Embedded Computer)

A specialised computer system designed to perform a dedicated function within a larger device, typically operating with real-time constraints and limited resources. Unlike general-purpose computers, embedded systems are built into the products they control. In assistive…

Equaliser(also: EQ, Equalizer)

An audio processing tool used in music production and sound engineering that adjusts the frequency content of an audio signal by boosting or cutting specific frequency ranges. Equalisers are controlled through parameters including frequency centre (which frequency to adjust),…

Exif(also: Exchangeable Image File Format, EXIF)

A standard metadata format embedded within image files (JPEG, TIFF, and others) that stores information about how an image was created, including camera model, date, GPS coordinates, and orientation. Exif data travels with the image file through most sharing and editing…

Extended Reality(also: XR, Cross Reality)

An umbrella term encompassing all immersive technologies that blend physical and virtual environments, including virtual reality (VR), augmented reality (AR), and mixed reality (MR). In accessibility, extended reality technologies offer promising assistive applications — smart…

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