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Dialogue Languages and Persons with Disabilities
IEICE TRANSACTIONS on Information and Systems
Publication Date: 2004/06/01
Print ISSN: 0916-8532
Type of Manuscript: INVITED PAPER (Special Section on Human Communication I)
dialogue language, spoken language, sign language, finger braille, prosody, support for persons with disabilities,
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Any utterances of dialogue, spoken language or sign language, have functions that enable recipients to achieve real-time and easy understanding and to control conversation smoothly in spite of its volatile characteristics. In this paper, we present evidence of these functions obtained experimentally. Prosody plays a very important role not only in spoken language (aural language) but also in sign language (visual language) and finger braille (tactile language). Skilled users of a language may detect word boundaries in utterances and estimate sentence structure immediately using prosody. The gestures and glances of a recipient may influence the utterances of the sender, leading to amendments of the contents of utterances and smooth exchanges in turn. Individuality and emotion in utterances are also very important aspects of effective communication support systems for persons with disabilities even more so than for those non-disabled persons. The trials described herein are universal in design. Some trials carried out to develop these systems are also reported.