Information Theory Meets Writing

Synopsis: A video recording of the Clifford Paterson Lecture 2010 given by Professor David MacKay, University of Cambridge, at the Royal Society on 12 October. Information theory concerns the best way to get information content from the least input. This technology called Dasher achieves higher information content per gesture than any other switch-based communication system, and enables efficient writing in any language with any muscle of the body. As well as traditional hand movement, Dasher can be linked to gaze tracking, head tracking, or breathing control - with experienced users achieving an output rate similar or greater than voice-to-text recognition programmes. This new technology offers an alternative to the Roman keyboard for those people who are unable to use it with ease. Professor MacKay talks about Dasher,and other communication systems designed using information theory; especially communication systems aimed at disabled people. (65 minutes)
Language: English
Country: Great Britain
Year of release: 2010
Year of production: 2010
Subjects: Information technology; Languages
Keywords: disabled people; non-verbal communication; Information technology; communication systems; information theory

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