Analysis of changes in dialogue rhythm due to dialogue acts in task-oriented dialogues

Authors:
Noriki Fujiwara;Toshihiko Itoh;Kenji Araki
Affiliations:
Graduate School of Information Science and Technology, Hokkaido University, Sapporo, Japan;Graduate School of Information Science and Technology, Hokkaido University, Sapporo, Japan;Graduate School of Information Science and Technology, Hokkaido University, Sapporo, Japan
Venue:
TSD'07 Proceedings of the 10th international conference on Text, speech and dialogue
Year:
2007

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Abstract

We consider that factors such as prosody of systems' utterances and dialogue rhythm are important to attain a natural human-machine dialogue. However, the relations between dialogue rhythm and speaker's various states in task-oriented dialogue have been not revealed. In this study, we collected task-oriented dialogues and analyzed the relations between "dialogue structures, kinds of dialogue acts (contents of utterances), Aizuchi (backchannel/acknowledgment), Repeat and interjection" and "dialogue rhythm (response timing, F0, and speech rate)".