Glossary
Terms used in accessibility research and practice. Each entry has a definition, common aliases, and category tags.
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- Autism Technology(also: Autism Tech, ASD Technology)
- Technologies specifically designed for, marketed to, or used by autistic individuals and their support networks. Autism technology spans a wide range including digital therapy platforms, educational apps, data tracking and behavioral monitoring systems, diagnostic computational…
- Auto-Personalization(also: Automatic Personalization, Preference Portability)
- The ability to automatically configure a digital device's interface, accessibility settings, and assistive technology software to match an individual user's needs and preferences without requiring the user to manually make changes. Auto-personalization addresses a critical…
- Auto-label(also: Automatic Labeling, Heuristic Labeling)
- A feature in authoring tools or runtime environments that automatically generates accessible labels for interactive elements when a developer has not explicitly provided one. For example, Adobe Flash Player's auto-label function would heuristically find nearby text for objects…
- Automated Speech Recognition(also: ASR, Speech-to-Text, Voice Recognition)
- Technology that converts spoken language into written text using machine learning and signal processing algorithms. In accessibility, ASR is used for real-time captioning, voice control of devices and software, and generating transcripts of audio and video content. While ASR…
- Automatic Sign Language Processing(also: ASLP, Sign Language Processing)
- An umbrella term encompassing three major areas of technology for sign language: automatic sign language generation (ASLG, creating sign language output from text or speech), automatic sign language recognition (ASLR, interpreting sign language input), and automatic sign…
- Automatic Speech Recognition(also: ASR)
- The computational technology and algorithms that automatically convert spoken audio into text transcriptions. ASR systems use acoustic models, language models, and increasingly deep learning approaches to process speech signals. ASR accuracy directly impacts the usability of…
- Automatic Speech Recognition (ASR)(also: ASR, Speech-to-Text, Voice Recognition)
- Technology that converts spoken language into written text using computational algorithms and machine learning models. ASR powers auto-captioning features in video conferencing, media players, and assistive devices. While ASR has improved significantly, its accuracy is affected…
- Automatic Teller Machine(also: ATM, Cash Dispenser, Cash Machine)
- An Automatic Teller Machine (ATM) is a self-service electronic banking terminal that allows users to perform financial transactions such as cash withdrawals, balance inquiries, and fund transfers without a human teller. ATM accessibility is a significant concern because these…
- Automatic Text Simplification(also: ATS, Automated Simplification)
- The use of computational methods to reduce the complexity of text while preserving its meaning, making it more accessible to readers with disabilities or limited literacy. Automatic text simplification includes lexical simplification (replacing difficult words with simpler…
- Automatic speech recognition(also: ASR, Speech-to-text, Voice recognition)
- Technology that converts spoken language into text using machine learning and signal processing. ASR powers live captioning, voice assistants, and dictation software, making it a key accessibility technology for deaf and hard of hearing users who benefit from real-time captions.…
- Automatic text simplification(also: ATS, Text simplification, Automated readability improvement)
- The use of natural language processing techniques to transform complex text into simpler, more readable versions while preserving meaning. ATS operates at two levels: lexical simplification (replacing difficult words with simpler synonyms) and syntactic simplification…
- Autonomous Navigation Robot(also: Autonomous guide robot, Self-navigating robot)
- A mobile robot that plans and executes its own path through an environment to deliver a user or payload to a chosen destination, using onboard sensors (LiDAR, cameras, IMU) and a map for localisation, obstacle avoidance, and path planning. In accessibility contexts, autonomous…
- Avatar Robot(also: Robot Avatar, Telepresence Avatar)
- A physical robot that acts as a remote proxy for a human operator, enabling them to interact with a distant environment through vision, audio, and often manipulation or movement. Avatar robots extend the capabilities of telepresence beyond a screen on a stand, allowing the…