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  • The radiated sound pressure level (SPL) during phonation is known to be mainly regulated by lung pressure and glottal resistance (adduction), at the glottal level. Few results of glottal area variation in SPL control have been presented. The present study investigated the interrelations between sound pressure level at the glottis (SPL source) and lung pressure, maximum amplitude of vocal fold vibration and maximum glottal area declinatin rate for different fundamental frequencies and prephonatory glottal widths. These data were generated by an aeroelastic model used for numerical simmulations of vocal fold self-oscillations including the vocal folds collisions. The relations of SPL source to the parameters studied were in general non-linear.
  • The radiated sound pressure level (SPL) during phonation is known to be mainly regulated by lung pressure and glottal resistance (adduction), at the glottal level. Few results of glottal area variation in SPL control have been presented. The present study investigated the interrelations between sound pressure level at the glottis (SPL source) and lung pressure, maximum amplitude of vocal fold vibration and maximum glottal area declinatin rate for different fundamental frequencies and prephonatory glottal widths. These data were generated by an aeroelastic model used for numerical simmulations of vocal fold self-oscillations including the vocal folds collisions. The relations of SPL source to the parameters studied were in general non-linear. (en)
  • Je známo, že úroveň vyzařovaného zvuku (SPL)běhěm fonace je řízena zejména tlakem v plicích a glotální rezistencí (addukcí)na úrovni hlasivek jsou studovány vztahy mezi SPL na supraglotickém konci glotis a tlaku v plicích, maximální amplitudou vibrací hlasivek, maximální hodnotou derivace glotální plochy a to pro různé základní frekvence a předfonační postavení hlasivek. Data byla generována s použitím aeroelastického modelu pro numerické simulace samobuzených kmitů hlasivek včetně jejich rázů. Vztahy SPL ke sledovaným paramaterům jsou obecně nelineární. (cs)
Title
  • Computer modelling of relations between glottal area variation and sound pressure level at the vibrating vocal folds
  • Výpočtové modelování vztahů mezi časovou změnou glotální plochy a úrovní vyzařovaného zvuku z vibrujících hlasivek (cs)
  • Computer modelling of relations between glottal area variation and sound pressure level at the vibrating vocal folds (en)
skos:prefLabel
  • Computer modelling of relations between glottal area variation and sound pressure level at the vibrating vocal folds
  • Výpočtové modelování vztahů mezi časovou změnou glotální plochy a úrovní vyzařovaného zvuku z vibrujících hlasivek (cs)
  • Computer modelling of relations between glottal area variation and sound pressure level at the vibrating vocal folds (en)
skos:notation
  • RIV/61388998:_____/07:00082188!RIV08-AV0-61388998
http://linked.open.../vavai/riv/strany
  • 81;82
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • P(IAA2076401), Z(AV0Z20760514)
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
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http://linked.open...iv/duvernostUdaju
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http://linked.open...dnocenehoVysledku
  • 414660
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  • RIV/61388998:_____/07:00082188
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  • biomechanics of voice; numerical simulations; vibration of vocal folds (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...ontrolniKodProRIV
  • [79638FFE60C9]
http://linked.open...v/mistoKonaniAkce
  • Svratka
http://linked.open...i/riv/mistoVydani
  • Praha
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  • Engineering Mechanics 2007 : national conference with international participation : book of extended abstracts
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...vavai/riv/projekt
http://linked.open...UplatneniVysledku
http://linked.open...iv/tvurceVysledku
  • Horáček, Jaromír
  • Laukkanen, A. M.
  • Šidlof, Petr
http://linked.open...vavai/riv/typAkce
http://linked.open.../riv/zahajeniAkce
http://linked.open...n/vavai/riv/zamer
number of pages
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  • Ústav termomechaniky AV ČR
https://schema.org/isbn
  • 978-80-87012-06-2
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