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Updated: Oct 21, 2025
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fMRI Mapping of Brain Activity Associated with the Vocal Production of Consonant and Dissonant Intervals
Published on: May 23, 2017
7.3K
Examining vocal attractiveness through articulatory working space.
Daniel A Stehr1, Gregory Hickok1, Sarah Hargus Ferguson2
1Department of Cognitive Sciences, University of California Irvine, 3151 Social Sciences Plaza, Irvine, California 92697, USA.
The Journal of the Acoustical Society of America
|September 2, 2021
Summary
Clearer speech, characterized by distinct vowel sounds and precise timing, is perceived as more attractive, particularly in female voices. Acoustic measures of speech clarity effectively predict vocal attractiveness ratings.
Area of Science:
- Speech Science
- Acoustic Phonetics
- Psychoacoustics
Background:
- Females exhibit more distinct speech acoustics than males.
- Clear speech correlates with specific acoustic and phonetic features.
- Vocal attractiveness is a subjective perception influenced by various factors.
Purpose of the Study:
- To investigate the link between acoustic correlates of clear speech and vocal attractiveness.
- To determine if acoustic measures can predict subjective attractiveness ratings.
- To explore gender differences in the relationship between speech clarity and attractiveness.
Main Methods:
- Recorded talkers producing vowels in /bVd/ context and sentences.
- Computed working vowel space measures from formant trajectories.
- Applied partial least squares regression (PLS-R) to predict attractiveness ratings.
Main Results:
- Acoustic measures of vowel space size and shape predicted attractiveness in female talkers.
- Measures of speech timing also contributed to predicting attractiveness.
- PLS-R models successfully predicted vocal attractiveness based on acoustic features.
Conclusions:
- Speech clarity, particularly vowel distinctiveness and timing, significantly influences vocal attractiveness.
- Findings support theories of sexual dimorphism, health signaling, and perceptual fluency in attractiveness.
- Acoustic analysis offers a quantifiable method for assessing vocal attractiveness.
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