Abstract
This work investigates different barge-in strategies in the context of multi-user Spoken Dialogue Systems. We conduct a pilot user study in which different approaches are compared in view of how they are perceived by the user. For this setting, the Nao robot serves as a demonstrator for the underlying multi-user Dialogue System which interrupts an ongoing conversation between two humans in order to introduce additional information. The results show that the use of supplemental sounds at this task does not necessarily lead to a positive assessment and may influence the user’s perception of the reliability, competence and understandability of the system.
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Acknowledgements
This work is part of the “RobotKoop” project that is funded by the Bundesministerium für Bildung und Forschung (BMBF, German Federal Ministry of Education and Research).
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Wagner, N., Kraus, M., Rach, N., Minker, W. (2021). How to Address Humans: System Barge-In in Multi-user HRI. In: Marchi, E., Siniscalchi, S.M., Cumani, S., Salerno, V.M., Li, H. (eds) Increasing Naturalness and Flexibility in Spoken Dialogue Interaction. Lecture Notes in Electrical Engineering, vol 714. Springer, Singapore. https://doi.org/10.1007/978-981-15-9323-9_13
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DOI: https://doi.org/10.1007/978-981-15-9323-9_13
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