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Reorganization of the auditory-perceptual space across the human vocal range


Friedrichs, Daniel; Dellwo, Volker (2023). Reorganization of the auditory-perceptual space across the human vocal range. In: 20th International Congress of Phonetic Sciences, Prague, 7 August 2023 - 11 August 2023. Guarant International, 560-564.

Abstract

We investigated the auditory-perceptual space across a substantial portion of the human vocal range (2201046 Hz) using multidimensional scaling analysis of cochlea-scaled spectra from 250-ms vowel segments. Three native German speakers produced vowels /i y e ø ɛ a o u/ (N=240) spanning a wide range of their respective voice frequency ranges, which were subsequently identified in a closed-set task by five phonetically trained listeners (>80% correct response). Our findings revealed systematic spectral alterations associated with vowel height and frontness as fundamental frequency increased and a distinct clustering around /i a u/ above 523 Hz. These results emphasize the importance of the overall spectral shape in vowel perception and demonstrate listeners' utilization of acoustic anchors at higher pitches. Moreover, this study sheds light on the quantal nature of these vowels and their potential impact on language evolution, offering a possible explanation for their widespread presence in the world’s languages.

Abstract

We investigated the auditory-perceptual space across a substantial portion of the human vocal range (2201046 Hz) using multidimensional scaling analysis of cochlea-scaled spectra from 250-ms vowel segments. Three native German speakers produced vowels /i y e ø ɛ a o u/ (N=240) spanning a wide range of their respective voice frequency ranges, which were subsequently identified in a closed-set task by five phonetically trained listeners (>80% correct response). Our findings revealed systematic spectral alterations associated with vowel height and frontness as fundamental frequency increased and a distinct clustering around /i a u/ above 523 Hz. These results emphasize the importance of the overall spectral shape in vowel perception and demonstrate listeners' utilization of acoustic anchors at higher pitches. Moreover, this study sheds light on the quantal nature of these vowels and their potential impact on language evolution, offering a possible explanation for their widespread presence in the world’s languages.

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Additional indexing

Item Type:Conference or Workshop Item (Paper), refereed, original work
Communities & Collections:06 Faculty of Arts > Institute of Computational Linguistics
Dewey Decimal Classification:410 Linguistics
000 Computer science, knowledge & systems
Language:English
Event End Date:11 August 2023
Deposited On:20 Feb 2024 09:00
Last Modified:02 Apr 2024 09:22
Publisher:Guarant International
ISBN:9788090811423
OA Status:Green
Free access at:Official URL. An embargo period may apply.
Official URL:https://guarant.cz/icphs2023/1070.pdf
  • Content: Published Version
  • Language: English
  • Licence: Creative Commons: Attribution 4.0 International (CC BY 4.0)