Abstract
The Palliacom project, which is intended to be a communication support for persons with severe difficulties to talk and/or to write, focuses mainly on two objectives: the implementation of a writing assistance device based on either an alphabet or a set of icons, using personal or tablet computers; and the compilation of functional knowledge about how users exploit this writing assistance device, obtained through long term observation of utilization strategies. Depending on the user profile, different dynamic writing options are possible, for instance clicking or touching specific images displayed on the first screen of the writing assistance device enables to directly select the most appropriate set of configuration parameters. Otherwise, the written text can be printed, inserted within another text, or read automatically using a speech synthesizer. The system is currently being studied from a usability perspective, analyzing how impaired children express themselves with icons and handicapped adults communicate with alphabets.
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