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This paper describes development of an open-source toolkit which makes it possible to explore a vast variety of aspects in speech interactions at spoken dialog systems and speech interfaces. The toolkit tightly incorporates recent speech recognition and synthesis technologies with a 3-D CG rendering module that can manipulates expressive embodied agent characters. The software design and its interfaces are carefully designed to be fully open toolkit. Ongoing demonstration experiments to public indicates that it is promoting related researches and developments of voice interaction systems in various scenes.
Lee et al. (Wed,) studied this question.