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Semantic compaction
Semantic compaction, (Minspeak), conceptually described as polysemic (multi-meaning) iconic encoding, is one of the three ways to represent language in Augmentative and alternative communication (AAC).〔(【引用サイトリンク】url=http://www.asha.org/public/speech/disorders/InfoAACUsers/ )〕 It is a system utilized in AAC devices in which sequences of icons (pictorial symbols) are combined in order to form a word or a phrase. The goal is to increase independent communication in individuals who cannot use speech. Minspeak is the only patented system for Semantic Compaction and is based on multi-meaning icons that code vocabulary in short sequences determined by rule-driven patterns.〔http://www.minspeak.com/what.php#.UlOAKBbIYxc〕〔Drager, K., Light, J., (2010) A Comparison of the Performance of 5-year-old Children with Typical Development using Iconic Encoding in AAC Systems with and without Icon Prediction on a Fixed Display Augmentative and Alternative Communication 26:1, 12-20〕〔Beukelman, D. and Mirenda, P. (2005). Augmentative and Alternative Communication: Supporting Children and Adults with Complex Communication Needs. (3rd edition). Baltimore: Brookes.〕〔(Minspeak: We give you language. ) Semantic Compaction Systems. 20 April 2010.〕 Minspeak has been used with both children and adults with various disabilities, including cerebral palsy, motor speech disorders, developmental disabilities, autism spectrum disorder, and adult onset disabilities such as Amyotrophic Lateral Sclerosis (ALS).
==History==
Bruce Baker was the first to develop the idea of sequencing picture symbols as an encoding system which he patented under the name of Minspeak. His desire to develop this system stemmed from his doctorate work in linguistics, which focused on the language used to describe and interact with people with disabilities. During interviews with AAC users, he noticed the linguistic capabilities provided by the devices were very primitive at the time, excluding any modern linguistic insights. As a result, Baker developed a rudimentary coding system used during these interviews to facilitate more optimal communication. This coding system served as the impetus for development of the Minspeak program.
Inspired by his work with ancient hieroglyphic writing systems, he envisioned a communication program in which a group of ideas could be represented by one single picture. The specific idea that the user wished to convey would be determined by the context or sequence in which the picture was used. As a result, he began developing a computer system using inputs from multi-meaning pictures in a variety of ways that would allow the user access to a wide array of language. These multi-meaning pictures would maximize the user’s current communication abilities and facilitate information exchange in an economical way.
Baker’s preliminary work for Minspeak included forty icons. The first was a picture of an ear, representing phatic exchanges (communication devoid of information exchange, i.e. “what’s up”). Other icons were selected to represent additional speech functions. In 1981, Baker and one of this former students, Kenneth Smith, implemented the first Minspeak program on an AIM 65 computer using a Votrax SC01 voice synthesizer. In December 1981, Baker teamed with Barry Romich and signed his first commercial agreement for Minspeak. This led to the development of the Minspeak program on Express III hardware in the summer of 1982. Minspeak was released to the public for commercial use at the American Speech-Language and Hearing Association (ASHA) Convention of 1983 in Cincinnati, Ohio. From that point forward, Minspeak evolved into a dynamic communication system, advancing its capabilities to serve a more diverse user population and to establish an efficient language approach to augmentative and alternative communication.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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