About: Comparison of Acceleration and Impact Stress as Possible Loading Factors in Phonation: A Computer Modeling Study

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Impact stress is suspected to be the main traumatizing mechanism in voice production. However, the repetitive acceleration and deceleration may also traumatize the vocal fold tissues. Using an aeroelastic model of voice production, the study quantifies the acceleration and impact stress in relation to lung pressure, fundamental frequency (F0) and prephonatory glottal half-width. Both impact stress and acceleration were found to increase with lung pressure. Compared to impact stress, acceleration was less dependent on prephonatory glottal width and, thus, on voice production type. Maximum acceleration values were about 5-10 times greater for high F0 (approx. 400 Hz) compared to low F0 (approx. 100 Hz), whereas maximum impact stress remained nearly unchanged. Thus, the inertia forces present at high F0 a greater load for the vocal folds, and in addition to the collision forces contribute to the fact that females have vocal fold traumas more frequently than males. Impact stress is suspected to be the main traumatizing mechanism in voice production. However, the repetitive acceleration and deceleration may also traumatize the vocal fold tissues. Using an aeroelastic model of voice production, the study quantifies the acceleration and impact stress in relation to lung pressure, fundamental frequency (F0) and prephonatory glottal half-width. Both impact stress and acceleration were found to increase with lung pressure. Compared to impact stress, acceleration was less dependent on prephonatory glottal width and, thus, on voice production type. Maximum acceleration values were about 5-10 times greater for high F0 (approx. 400 Hz) compared to low F0 (approx. 100 Hz), whereas maximum impact stress remained nearly unchanged. Thus, the inertia forces present at high F0 a greater load for the vocal folds, and in addition to the collision forces contribute to the fact that females have vocal fold traumas more frequently than males. (en)
Title	Comparison of Acceleration and Impact Stress as Possible Loading Factors in Phonation: A Computer Modeling Study Comparison of Acceleration and Impact Stress as Possible Loading Factors in Phonation: A Computer Modeling Study (en)
skos:prefLabel	Comparison of Acceleration and Impact Stress as Possible Loading Factors in Phonation: A Computer Modeling Study Comparison of Acceleration and Impact Stress as Possible Loading Factors in Phonation: A Computer Modeling Study (en)
skos:notation	RIV/61388998:_____/09:00327204!RIV10-AV0-61388998
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(GA101/08/1155), Z(AV0Z20760514)
http://linked.open...iv/cisloPeriodika	3
http://linked.open...vai/riv/dodaniDat	2010
http://linked.open...aciTvurceVysledku	Horáček, Jaromír Šidlof, Petr
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	Ústav termomechaniky AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	307676
http://linked.open...ai/riv/idVysledku	RIV/61388998:_____/09:00327204
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	biomechanics of voice modeling; fundamental frequency; phoniation type; gender differences in voice (en)
http://linked.open.../riv/klicoveSlovo	biomechanics of voice modeling fundamental frequency gender differences in voice phoniation type
http://linked.open...odStatuVydavatele	CH - Švýcarská konfederace
http://linked.open...ontrolniKodProRIV	[E9DC7051A86A]
http://linked.open...i/riv/nazevZdroje	Folia Phoniatrica Et Logopaedica
http://linked.open...in/vavai/riv/obor	BI
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	5 (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	2009
http://linked.open...v/svazekPeriodika	61
http://linked.open...iv/tvurceVysledku	Horáček, Jaromír Laukkanen, A. M. Švec, J. G. Šidlof, Petr Murphy, P.
http://linked.open...ain/vavai/riv/wos	000269790000003
http://linked.open...n/vavai/riv/zamer	Complex dynamical systems in thermodynamics, fluid and solid mechanics
issn	1021-7762
number of pages	9 (xsd:int)
is http://linked.open...avai/riv/vysledek of	Comparison of Acceleration and Impact Stress as Possible Loading Factors in Phonation: A Computer Modeling Study Comparison of Acceleration and Impact Stress as Possible Loading Factors in Phonation: A Computer Modeling Study Comparison of Acceleration and Impact Stress as Possible Loading Factors in Phonation: A Computer Modeling Study Comparison of Acceleration and Impact Stress as Possible Loading Factors in Phonation: A Computer Modeling Study

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