About: Vocal tract changes caused by phonation into a tube: Computer tomography and finite element modeling

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An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Phonation into a glass tube is a voice training and therapy method that leads to beneficial effects in voice production. It has not been known, however, what changes occur in the vocal tract during and after the phonation into a tube. This pilot study examined the vocal tract shape in a female subject before, during, and after phonation into a tube using computer tomography (CT). Three-dimensional finite-element models (FEMs) of the vocal tract were derived from the CT images and used to study changes in vocal tract input impedance. When phonating on vowel [a:] the data showed tightened velo-pharyngeal closure and enlarged cross-sectional areas of the oropharyngeal and oral cavities during and after the tube-phonation. FEM calculations revealed an increased input inertance of the vocal tract and an increased acoustic energy radiated out of the vocal tract after the tube-phonation. The results indicate that the phonation into a tube causes changes in the vocal tract which remain also when the tube is removed. These effects may help improving voice production in patients and voice professionals. Phonation into a glass tube is a voice training and therapy method that leads to beneficial effects in voice production. It has not been known, however, what changes occur in the vocal tract during and after the phonation into a tube. This pilot study examined the vocal tract shape in a female subject before, during, and after phonation into a tube using computer tomography (CT). Three-dimensional finite-element models (FEMs) of the vocal tract were derived from the CT images and used to study changes in vocal tract input impedance. When phonating on vowel [a:] the data showed tightened velo-pharyngeal closure and enlarged cross-sectional areas of the oropharyngeal and oral cavities during and after the tube-phonation. FEM calculations revealed an increased input inertance of the vocal tract and an increased acoustic energy radiated out of the vocal tract after the tube-phonation. The results indicate that the phonation into a tube causes changes in the vocal tract which remain also when the tube is removed. These effects may help improving voice production in patients and voice professionals. (en)
Title	Vocal tract changes caused by phonation into a tube: Computer tomography and finite element modeling Vocal tract changes caused by phonation into a tube: Computer tomography and finite element modeling (en)
skos:prefLabel	Vocal tract changes caused by phonation into a tube: Computer tomography and finite element modeling Vocal tract changes caused by phonation into a tube: Computer tomography and finite element modeling (en)
skos:notation	RIV/61989592:15310/11:10222992!RIV12-MSM-15310___
http://linked.open...avai/riv/aktivita	P S Z
http://linked.open...avai/riv/aktivity	P(GA101/08/1155), S, Z(AV0Z20760514)
http://linked.open...iv/cisloPeriodika	1
http://linked.open...vai/riv/dodaniDat	2012
http://linked.open...aciTvurceVysledku	Švec, Jan
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Univerzita Palackého v Olomouci / Přírodovědecká fakulta
http://linked.open...dnocenehoVysledku	239378
http://linked.open...ai/riv/idVysledku	RIV/61989592:15310/11:10222992
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	voice, vocal tract, computed tomography, finite element modeling (en)
http://linked.open.../riv/klicoveSlovo	computed tomography vocal tract finite element modeling voice
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[F8670C2069BA]
http://linked.open...i/riv/nazevZdroje	Journal of the Acoustical Society of America
http://linked.open...in/vavai/riv/obor	BI
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...vavai/riv/projekt	Computer and physical modelling of vibroacoustic properties of human vocal tract for optimization of voice quality
http://linked.open...UplatneniVysledku	2011
http://linked.open...v/svazekPeriodika	129
http://linked.open...iv/tvurceVysledku	Horáček, Jaromír Vampola, Tomáš Švec, Jan G. Laukkanen, Anne-Maria
http://linked.open...ain/vavai/riv/wos	000286944600038
http://linked.open...n/vavai/riv/zamer	Complex dynamical systems in thermodynamics, fluid and solid mechanics
issn	0001-4966
number of pages	6 (xsd:int)
http://bibframe.org/vocab/doi	10.1121/1.3506347
http://localhost/t...ganizacniJednotka	15310

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