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In this paper, we describe a system for intonation evaluation of English utterance by Japanese native speakers using synthesized speech for rapid development of a CALL system. To evaluate the intonation of learners' utterance, we need reference utterances, for which English native speakers' utterances should be used. However, it is costly to gather native speakers' utterances for all sentences in...
PLSA is one of the most powerful language models for adaptation to a target speech. The vocabulary divided PLSA language model (VD-PLSA) shows higher performance than the conventional PLSA model because it can be adapted to the target topic and the target speaking style individually. However, all of the vocabulary must be manually divided into three categories (topic, speaking style, and general category)...
Human symbiosis service robots of various sizes have already been developed. However, few quantitative investigations have been made concerning the influence of the size of a robot on a userpsilas impression. We focused on the height of a robot (robot size), investigating the effect of robot size on the anxiety or threat felt by a human to be caused by a robot and the appropriate human-robot distance...
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