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Statements

Subject Item
n2:RIV%2F61388998%3A_____%2F09%3A00327204%21RIV10-AV0-61388998
rdf:type
skos:Concept n18:Vysledek
dcterms: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.
dcterms: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
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
skos:notation
RIV/61388998:_____/09:00327204!RIV10-AV0-61388998
n3:aktivita
n14:P n14:Z
n3:aktivity
P(GA101/08/1155), Z(AV0Z20760514)
n3:cisloPeriodika
3
n3:dodaniDat
n15:2010
n3:domaciTvurceVysledku
n11:1878565 n11:1490176
n3:druhVysledku
n12:J
n3:duvernostUdaju
n17:S
n3:entitaPredkladatele
n4:predkladatel
n3:idSjednocenehoVysledku
307676
n3:idVysledku
RIV/61388998:_____/09:00327204
n3:jazykVysledku
n9:eng
n3:klicovaSlova
biomechanics of voice modeling; fundamental frequency; phoniation type; gender differences in voice
n3:klicoveSlovo
n13:gender%20differences%20in%20voice n13:fundamental%20frequency n13:biomechanics%20of%20voice%20modeling n13:phoniation%20type
n3:kodStatuVydavatele
CH - Švýcarská konfederace
n3:kontrolniKodProRIV
[E9DC7051A86A]
n3:nazevZdroje
Folia Phoniatrica Et Logopaedica
n3:obor
n8:BI
n3:pocetDomacichTvurcuVysledku
2
n3:pocetTvurcuVysledku
5
n3:projekt
n16:GA101%2F08%2F1155
n3:rokUplatneniVysledku
n15:2009
n3:svazekPeriodika
61
n3:tvurceVysledku
Horáček, Jaromír Švec, J. G. Laukkanen, A. M. Šidlof, Petr Murphy, P.
n3:wos
000269790000003
n3:zamer
n10:AV0Z20760514
s:issn
1021-7762
s:numberOfPages
9