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Between-speaker variability in temporal organizations of intensity contours


He, Lei; Dellwo, Volker (2017). Between-speaker variability in temporal organizations of intensity contours. Journal of the Acoustical Society of America, 141(5):EL488-EL494.

Abstract

Intensity contours of speech signals were sub-divided into positive and negative dynamics. Positive dynamics were defined as the speed of increases in intensity from amplitude troughs to subsequent peaks, and negative dynamics as the speed of decreases in intensity from peaks to troughs. Mean, standard deviation, and sequential variability were measured for both dynamics in each sentence. Analyses showed that measures of both dynamics were separately classified and between- speaker variability was largely explained by measures of negative dynamics. This suggests that parts of the signal where intensity decreases from syllable peaks are more speaker-specific. Idiosyncratic articulation may explain such results.

Abstract

Intensity contours of speech signals were sub-divided into positive and negative dynamics. Positive dynamics were defined as the speed of increases in intensity from amplitude troughs to subsequent peaks, and negative dynamics as the speed of decreases in intensity from peaks to troughs. Mean, standard deviation, and sequential variability were measured for both dynamics in each sentence. Analyses showed that measures of both dynamics were separately classified and between- speaker variability was largely explained by measures of negative dynamics. This suggests that parts of the signal where intensity decreases from syllable peaks are more speaker-specific. Idiosyncratic articulation may explain such results.

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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:06 Faculty of Arts > Department of Comparative Linguistics
06 Faculty of Arts > Institute of Computational Linguistics
Dewey Decimal Classification:000 Computer science, knowledge & systems
490 Other languages
890 Other literatures
410 Linguistics
Language:English
Date:18 May 2017
Deposited On:22 May 2017 12:26
Last Modified:02 Jul 2017 05:34
Publisher:American Institute of Physics
ISSN:0001-4966
Funders:Gebert Rüf Stiftung (No. GRS-027/13), Swiss National Science Foundation (No. 100015_135287)
Free access at:Publisher DOI. An embargo period may apply.
Publisher DOI:https://doi.org/10.1121/1.4983398

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