Glossary

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AAC Corpus(also: AAC Text Corpus, Augmentative Communication Corpus)

A collection of text produced by or representative of Augmentative and Alternative Communication (AAC) device users, used for training and evaluating language models and word prediction systems. AAC corpora are notoriously difficult to assemble because AAC users produce text…

AAC Symbol Set(also: Symbol Set, Communication Symbol Set, Pictographic Symbol Set)

A standardised collection of pictographic images used in augmentative and alternative communication (AAC) to represent words, phrases, or concepts. Each symbol in a set is mapped to specific vocabulary, allowing people who cannot use spoken language to construct messages by…

Aided AAC(also: Aided Augmentative and Alternative Communication)

The branch of Augmentative and Alternative Communication that relies on an external tool to produce or carry the message — ranging from low-tech paper communication boards and picture-exchange cards to high-tech tablet apps and dedicated speech-generating devices accessed via…

Augmentative and Alternative Communication(also: AAC)

A set of tools, strategies, and techniques used to supplement or replace spoken or written communication for people with complex communication needs. AAC ranges from low-tech options like picture boards and symbol cards to high-tech solutions including speech-generating devices…

Augmentative and Alternative Communication(also: AAC)

A range of methods, devices, and strategies used to supplement or replace speech for individuals who have difficulty producing or comprehending spoken language. AAC encompasses both unaided approaches (such as gestures, sign language, and facial expressions) and aided approaches…

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