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In this paper we present a presentation training system that observes a presentation rehearsal and provides the speaker with recommendations for improving the delivery of the presentation, such as to speak more slowly and to look at the audience. Our system "Presentation Sensei" is equipped with a microphone and camera to analyze a presentation by combining(More)
This paper describes a strategy for the conversation system to take part in human-to-human group conversation. One big characteristic of the group conversation system is that it can choose whether to observe or to take turn in the conversation. We implement the computational model combined with speech and gaze recognizers to keep the rules in turn taking,(More)
In this paper, we describe three singing information processing systems, VocaListener, VocaListener2, and VocaWatcher, that imitate singing expressions of the voice and face of a human singer. VocaListener can synthesize natural singing voices by analyzing and imitating the pitch and dynamics of the human singing. VocaListener2 imitates temporal timbre(More)
This paper describes a robot who converses with multi-person using his multi-modal interface. The multi-person conversation includes many new problems, which are not cared in the conventional one-to-one conversation: such as information flow problems (recognizing who is speaking and to whom he is speaking / appealing to whom the system is speaking), space(More)
In this paper, we describe VocaWatcher, a novel robot motion generator that enables a humanoid robot to sing with realistic facial expressions and naturally synthesized singing voices. This robot singer is an important and attractive humanoid robot application for the entertainment scene; moreover, it promotes state-of-the-art integration of robot(More)
An attitude recognizer of a speaker which uses prosodic features of speech is proposed and it is successfully applied to the dialogue system aiming at agreement formation. We use not only linguistic information but also some sorts of additional information supporting linguistic information in our human communication. In agreement formation dialogues, we are(More)
— Enhancement of dining environment by information technology is explored in this paper. A table system to recommend additional dishes according to the dining status is introduced. By modeling dining behavior as the sequence of eating, dining status is estimated from the history of bites. The system recognizes the user's dining activity in real time, and(More)