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Prosody Takes Over: A Prosodically Guided Dialog System

By R. Kompe, A. Kießling, T. Kuhn, M. Mast, H. Niemann, E. Nöth, K. Ott and A. Batliner


: In this paper first experiments with naive persons using the speech understanding and dialog system EVAR are discussed. The domain of EVAR is train table inquiry. We observed that in real human-human dialogs when the officer transmits the information the customer very often interrupts. Many of these interruptions are just repetitions of the time of day given by the officer. The functional role of these interruptions is determined by prosodic cues only. An important result of the experiments with EVAR is that it is hard to follow the system giving the train connection via speech synthesis. In this case it is even more important than in human-human dialogs that the user has the opportunity to interact during the answer phase. Therefore we extended the dialog module to allow the user to repeat the time of day and we added a prosody module guiding the continuation of the dialog. Keywords: ASU, prosody, dialog 1. Introduction The speech understanding and dialog system EVAR (the acronym..

Topics: ASU, prosody, dialog
Year: 1993
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