Carignan, C;
(2018)
Using ultrasound and nasalance to separate oral and nasal contributions to formant frequencies of nasalized vowels.
Journal of the Acoustical Society of America
, 143
(5)
, Article 2588. 10.1121/1.5034760.
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Abstract
The experimental method described in this manuscript offers a possible means to address a well known issue in research on the independent effects of nasalization on vowel acoustics: given that the separate transfer functions associated with the oral and nasal cavities are merged in the acoustic signal, the task of teasing apart the respective effects of the two cavities seems to be an intractable problem. The proposed method uses ultrasound and nasalance to predict the effect of lingual configuration on formant frequencies of nasalized vowels, thus accounting for acoustic variation due to changing lingual posture and excluding its contribution to the acoustic signal. The results reveal that the independent effect of nasalization on the acoustic vowel quadrilateral resembles a counter-clockwise chain shift of nasal compared to non-nasal vowels. The results from the productions of 11 vowels by six speakers of different language backgrounds are compared to predictions presented in previous modeling studies, as well as discussed in the light of sound change of nasal vowel systems.
| Type: | Article |
|---|---|
| Title: | Using ultrasound and nasalance to separate oral and nasal contributions to formant frequencies of nasalized vowels |
| Open access status: | An open access version is available from UCL Discovery |
| DOI: | 10.1121/1.5034760 |
| Publisher version: | https://doi.org/10.1121/1.5034760 |
| Language: | English |
| Additional information: | This version is the version of record. For information on re-use, please refer to the publisher’s terms and conditions. |
| Keywords: | Acoustical properties; Musical instruments; Acoustical effects; Acoustic signal processing; Acoustic modeling, simulation and analysis; Organs; Ultrasound; Vowel systems; Speech analysis; Human voice |
| UCL classification: | UCL UCL > Provost and Vice Provost Offices UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Brain Sciences UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Brain Sciences > Div of Psychology and Lang Sciences UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Brain Sciences > Div of Psychology and Lang Sciences > Speech, Hearing and Phonetic Sciences |
| URI: | https://discovery-pp.ucl.ac.uk/id/eprint/10081842 |
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