About: Bifurcations and chaos in register transitions of excised larynx experiments

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Experimental data from an excised larynx are analyzed in the light of nonlinear dynamics. The excised larynx provides an experimental framework that enables artificial control and direct observation of the vocal fold vibrations. Of particular interest in this experiment is the coexistence of two distinct vibration patterns, which closely resemble chest and falsetto registers of the human voice. Abrupt transitions between the two registers are typically accompanied by irregular vibrations. Two approaches are presented for the modeling of the excised larynx experiment; one is the nonlinear predictive modeling of the experimental time series and the other is the biomechanical modeling (three-mass model) that takes into account basic mechanisms of the vocal fold vibrations. The two approaches show that the chest and falsetto vibrations correspond to two coexisting limit cycles, which jump to each other with a change in the bifurcation parameter. Irregular vibrations observed at the register jumps are due Experimental data from an excised larynx are analyzed in the light of nonlinear dynamics. The excised larynx provides an experimental framework that enables artificial control and direct observation of the vocal fold vibrations. Of particular interest in this experiment is the coexistence of two distinct vibration patterns, which closely resemble chest and falsetto registers of the human voice. Abrupt transitions between the two registers are typically accompanied by irregular vibrations. Two approaches are presented for the modeling of the excised larynx experiment; one is the nonlinear predictive modeling of the experimental time series and the other is the biomechanical modeling (three-mass model) that takes into account basic mechanisms of the vocal fold vibrations. The two approaches show that the chest and falsetto vibrations correspond to two coexisting limit cycles, which jump to each other with a change in the bifurcation parameter. Irregular vibrations observed at the register jumps are due (en)
Title	Bifurcations and chaos in register transitions of excised larynx experiments Bifurcations and chaos in register transitions of excised larynx experiments (en)
skos:prefLabel	Bifurcations and chaos in register transitions of excised larynx experiments Bifurcations and chaos in register transitions of excised larynx experiments (en)
skos:notation	RIV/61989592:15310/08:00009942!RIV10-MSM-15310___
http://linked.open...avai/riv/aktivita	P S Z
http://linked.open...avai/riv/aktivity	P(IAA2076401), S, Z(AV0Z20760514)
http://linked.open...iv/cisloPeriodika	1
http://linked.open...vai/riv/dodaniDat	2010
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	357952
http://linked.open...ai/riv/idVysledku	RIV/61989592:15310/08:00009942
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	VOCAL-FOLD VIBRATION; TIME-WAVE-FORMS; NONLINEAR DYNAMICS; VOICE INSTABILITIES; 2-MASS MODEL; VIDEOKYMOGRAPHY; VOCALIZATIONS; OSCILLATIONS; SIMULATION; PHONATION (en)
http://linked.open.../riv/klicoveSlovo	SIMULATION OSCILLATIONS 2-MASS MODEL NONLINEAR DYNAMICS PHONATION TIME-WAVE-FORMS VIDEOKYMOGRAPHY VOCAL-FOLD VIBRATION VOCALIZATIONS VOICE INSTABILITIES
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[DF7829A47177]
http://linked.open...i/riv/nazevZdroje	Chaos: an interdisciplinary journal of nonlinear science
http://linked.open...in/vavai/riv/obor	BO
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...vavai/riv/projekt	Mathematical modelling of human vocal folds oscillations
http://linked.open...UplatneniVysledku	2008
http://linked.open...v/svazekPeriodika	18
http://linked.open...iv/tvurceVysledku	Horáček, Jaromír Švec, Jan G. Herzel, Hanspeter Tokuda, Isao T.
http://linked.open...n/vavai/riv/zamer	Complex dynamical systems in thermodynamics, fluid and solid mechanics
issn	1054-1500
number of pages	1 (xsd:int)
http://localhost/t...ganizacniJednotka	15310

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