Glossary
Searchable terminology from accessibility, web standards, and related fields.
68 results found in AAC.
- Turn Taking (Conversational Turn-Taking, Turn-Taking)
- The pragmatic skill of alternating speaking and listening roles during conversation, including knowing when to speak, how long to speak, and how to signal readiness to yield or take a turn. Turn takin…
- Unaided AAC (Unaided Augmentative and Alternative Communication, Body-Based AAC)
- The branch of Augmentative and Alternative Communication that relies solely on the user's body — gestures, facial expressions, vocalisations, manual signs, body orientation — without an external devic…
- Unimodal Interface (Single-Mode Interface)
- An interface that accepts input through only one mode or channel of interaction, such as keyboard-only, voice-only, or gesture-only input. In contrast to multimodal interfaces that combine multiple in…
- Visual Communication (VIC)
- A method of conveying information, ideas, and meaning through visual elements such as images, icons, symbols, and pictographs rather than through spoken or written language. In accessibility contexts,…
- Voice Cloning (Voice Synthesis Cloning, Personalized Text-to-Speech)
- The use of machine-learning models to synthesise a target speaker's voice from a short reference recording, enabling text-to-speech output that sounds like that specific person. For accessibility, voi…
- Voice Customization (Voice Personalization, Custom Voice)
- The process of creating or modifying synthetic voices to match a user's preferences or identity, including attributes such as gender, age, pitch, breathiness, hoarseness, and speech variation. Voice c…
- Widgit Symbols (Widgit Rebus, Widgit Literacy Symbols)
- A commercial symbol set used in augmentative and alternative communication (AAC) and literacy support, developed by Widgit Software in the UK. Widgit Symbols are designed with consistent schematic rep…
- Word Prediction (Predictive Text, Word Completion)
- A text input feature that suggests complete words based on the characters already typed, using language models to anticipate the most likely intended word. In assistive technology, word prediction is …