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Mapping emotions into acoustic space: The role of voice production
KTH, School of Computer Science and Communication (CSC), Speech, Music and Hearing, TMH.
KTH, School of Computer Science and Communication (CSC), Speech, Music and Hearing, TMH.
2011 (English)In: Biological Psychology, ISSN 0301-0511, E-ISSN 1873-6246, Vol. 87, no 1, 93-98 p.Article in journal (Refereed) Published
Abstract [en]

Research on the vocal expression of emotion has long since used a "fishing expedition" approach to find acoustic markers for emotion categories and dimensions. Although partially successful, the underlying mechanisms have not yet been elucidated. To illustrate that this research can profit from considering the underlying voice production mechanism, we specifically analyzed short affect bursts (sustained/a/vowels produced by 10 professional actors for five emotions) according to physiological variations in phonation (using acoustic parameters derived from the acoustic signal and the inverse filter estimated voice source waveform). Results show significant emotion main effects for 11 of 12 parameters. Subsequent principal components analysis revealed three components that explain acoustic variations due to emotion, including "tension," "perturbation," and "voicing frequency." These results suggest that future work may benefit from theory-guided development of parameters to assess differences in physiological voice production mechanisms in the vocal expression of different emotions. (C) 2011 Elsevier B.V. All rights reserved.

Place, publisher, year, edition, pages
2011. Vol. 87, no 1, 93-98 p.
Keyword [en]
Emotion dimensions, Vocal expression, Affective prosody, Voice quality, Vocal physiology, Glottal waveform, Affect bursts
National Category
Fluid Mechanics and Acoustics
URN: urn:nbn:se:kth:diva-34240DOI: 10.1016/j.biopsycho.2011.02.010ISI: 000290195100011ScopusID: 2-s2.0-79953328709OAI: diva2:422632
QC 20110613Available from: 2011-06-13 Created: 2011-05-30 Last updated: 2011-06-13Bibliographically approved

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Björkner, EvaSundberg, Johan
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