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A Scalable Method for Quantifying the Role of Pitch in Conversational Turn-Taking
Stockholm University, Faculty of Humanities, Department of Linguistics, Phonetics. Voci Technologies, Inc., USA.
Stockholm University, Faculty of Humanities, Department of Linguistics, Phonetics.ORCID iD: 0000-0003-3824-2980
Stockholm University, Faculty of Humanities, Department of Linguistics, Phonetics.
2019 (English)In: 20th Annual Meeting of the Special Interest Group on Discourse and Dialogue: Proceedings of the Conference, Association for Computational Linguistics, 2019, p. 284-292Conference paper, Published paper (Refereed)
Abstract [en]

Pitch has long been held as an important signalling channel when planning and deploying speech in conversation, and myriad studies have been undertaken to determine the extent to which it actually plays this role. Unfortunately, these studies have required considerable human investment in data preparation and analysis, and have therefore often been limited to a handful of specific conversational contexts. The current article proposes a framework which addresses these limitations, by enabling a scalable, quantitative characterization of the role of pitch throughout an entire conversation, requiring only the raw signal and speech activity references. The framework is evaluated on the Switchboard dialogue corpus. Experiments indicate that pitch trajectories of both parties are predictive of their incipient speech activity; that pitch should be expressed on a logarithmic scale and Z-normalized, as well as accompanied by a binary voicing variable; and that only the most recent 400 ms of the pitch trajectory are useful in incipient speech activity prediction.

Place, publisher, year, edition, pages
Association for Computational Linguistics, 2019. p. 284-292
National Category
General Language Studies and Linguistics
Research subject
Phonetics
Identifiers
URN: urn:nbn:se:su:diva-173516ISBN: 978-1-950737-61-1 (print)OAI: oai:DiVA.org:su-173516DiVA, id: diva2:1354360
Conference
SIGdial 2019, Stockholm, Sweden, September 11-13, 2019
Funder
Marcus and Amalia Wallenberg Foundation, 2017.0034Available from: 2019-09-25 Created: 2019-09-25 Last updated: 2019-09-25Bibliographically approved

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