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In March 1991 a new interdisciplinary research project was launched at the Technical University of Berlin (TUB). The aim is to design a computer animation program showing realistic movements of an abstracted speaker's face. For this purpose, video tapes with prototypic speakers have been recorded and analyzed. The investigations lead to the fundamental correlation between phonetic sequences of given German text and corresponding visual movements of the articulation organs. The animation program is designed to be a training aid for lipreading for hearing-impaired people and is based on an open vocabulary. First performance evaluations at a hard-of-hearing school show that after a short-term crash-course the recognition of long single words increased by approx. 15% for a natural speaker. Involved in this project are the Departments of Electronics and Linguistics of the TUB as well as the Department of Special Education (in the field of Rehabilitation) of the Humboldt-University, Berlin. The project is based on various preliminary studies of the participating departments.
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