Word Prediction for Non-Speaking People and Systems for those with Dyslexia

A major design challenge for the developers of communication system for non-speaking people was to increase the rate at which non-speaking people could “talk” via these systems. PAL, the predictive adaptive lexicon, showed how this could be achieved by word prediction. This system was found to provide a writing aid for people with dyslexia, and led to the development of other software for this group of people. An alternative word prediction system was reproduced many years later as a ubiquitous mobile phone application.


Augmentative and Alternative Communication (AAC) devices are designed to assist people who cannot speak ...

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