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Vocal size exaggeration may have contributed to the origins of vocalic complexity
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In: ISSN: 0962-8436 ; EISSN: 1471-2970 ; Philosophical Transactions of the Royal Society B: Biological Sciences ; https://hal.archives-ouvertes.fr/hal-03501105 ; Philosophical Transactions of the Royal Society B: Biological Sciences, Royal Society, The, 2022, 377 (1841), ⟨10.1098/rstb.2020.0401⟩ (2022)
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Predicting strength from aggressive vocalizations versus speech in African bushland and urban communities
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Static and dynamic formant scaling conveys body size and aggression
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In: R Soc Open Sci (2022)
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Abstract:
When producing intimidating aggressive vocalizations, humans and other animals often extend their vocal tracts to lower their voice resonance frequencies (formants) and thus sound big. Is acoustic size exaggeration more effective when the vocal tract is extended before, or during, the vocalization, and how do listeners interpret within-call changes in apparent vocal tract length? We compared perceptual effects of static and dynamic formant scaling in aggressive human speech and nonverbal vocalizations. Acoustic manipulations corresponded to elongating or shortening the vocal tract either around (Experiment 1) or from (Experiment 2) its resting position. Gradual formant scaling that preserved average frequencies conveyed the impression of smaller size and greater aggression, regardless of the direction of change. Vocal tract shortening from the original length conveyed smaller size and less aggression, whereas vocal tract elongation conveyed larger size and more aggression, and these effects were stronger for static than for dynamic scaling. Listeners familiarized with the speaker's natural voice were less often ‘fooled’ by formant manipulations when judging speaker size, but paid more attention to formants when judging aggressive intent. Thus, within-call vocal tract scaling conveys emotion, but a better way to sound large and intimidating is to keep the vocal tract consistently extended.
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Keyword:
Psychology and Cognitive Neuroscience
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URL: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC8753157/ https://doi.org/10.1098/rsos.211496
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Predicting strength from aggressive vocalizations versus speech in African bushland and urban communities
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In: ISSN: 0962-8436 ; EISSN: 1471-2970 ; Philosophical Transactions of the Royal Society B: Biological Sciences ; https://hal.archives-ouvertes.fr/hal-03501108 ; Philosophical Transactions of the Royal Society B: Biological Sciences, Royal Society, The, 2021, 376 (1840), ⟨10.1098/rstb.2020.0403⟩ (2021)
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Computational modelling of penguins’ vocal tract
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In: Forum Acusticum ; https://hal.archives-ouvertes.fr/hal-03230814 ; Forum Acusticum, Dec 2020, Lyon, France. pp.2037-2037, ⟨10.48465/fa.2020.0984⟩ (2020)
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Electronic Supplementary Material from Do penguins’ vocal sequences conform to linguistic laws? ...
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Electronic Supplementary Material from Do penguins’ vocal sequences conform to linguistic laws? ...
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Supplementary material from "Do penguins’ vocal sequences conform to linguistic laws?" ...
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Supplementary material from "Do penguins’ vocal sequences conform to linguistic laws?" ...
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Individual differences in human voice pitch are preserved from speech to screams, roars and pain cries
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Do penguins’ vocal sequences conform to linguistic laws?
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In: Biol Lett (2020)
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Physiological and perceptual correlates of masculinity in children’s voices
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“This is what a mechanic sounds like.” Children’s vocal control reveals implicit occupational stereotypes
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Data from: Dogs perceive and spontaneously normalise formant-related speaker and vowel differences in human speech sounds ...
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Dogs perceive and spontaneously normalize formant-related speaker and vowel differences in human speech sounds
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In: Biol Lett (2019)
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Children can control the expression of masculinity and femininity through the voice
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The role of sex-related voice variation in children’s gender-role stereotype attributions
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Human roars communicate upper-body strength more effectively than do screams or aggressive and distressed speech
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Children can control the expression of masculinity and femininity through the voice
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