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Erschienen in:
2013 | OriginalPaper | Buchkapitel
A Verbal Interaction Measure Using Acoustic Signal Correlation for Dyadic Cooperation Support
verfasst von : Alexander Neumann, Thomas Hermann
Erschienen in: Ambient Intelligence - Software and Applications
Verlag: Springer International Publishing
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We introduce a method for detecting whether two users are engaged in focused interaction using a windowed correlation measure on their acoustic signals, assuming that a continued exchange of verbal turns contributes to anticorrelation of acoustic activity. We tested our method with manually annotated transitions between focused and unfocused interaction stemming from experiments on AR-based cooperation within a research project on alignment in communication. The results show that a high degree and extended duration of speech activity anticorrelation reliably indicates focused interaction, and might thus be a valuable asset for situation-aware technical systems.