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    • Several versions

    Tutorial and Guidelines on Measurement of Sound Pressure Level in Voice and Speech

    Švec, Jan G, Granqvist, Svante
    Journal of speech, language, and hearing research : JSLHR, 15 March 2018, Vol.61(3), pp.441-461 [Peer Reviewed Journal]

    • Several versions

    A Simple Method to Obtain Basic Acoustic Measures From Video Recordings as Subtitles

    Kumar, S Pravin, Švec, Jan G
    Journal of speech, language, and hearing research : JSLHR, 19 September 2018, Vol.61(9), pp.2196-2204 [Peer Reviewed Journal]

    • Several versions

    The softest sound levels of the human voice in normal subjects

    Šrámková, Hana, Granqvist, Svante, Herbst, Christian T, Švec, Jan G
    The Journal of the Acoustical Society of America, January 2015, Vol.137(1), pp.407-18 [Peer Reviewed Journal]

    • Several versions

    Evaluation of overhead lines current unbalance in meshed grids and its reduction

    EHRENBERGER, Jakub, ŠVEC, Jan
    Journal of Modern Power Systems and Clean Energy, 2018, Vol.6(6), pp.1204-1212 [Peer Reviewed Journal]

    • Several versions

    Directional Overcurrent Relays Coordination Problems in Distributed Generation Systems

    Ehrenberger, Jakub, Švec, Jan
    Energies, Oct 2017, Vol.10(10) [Peer Reviewed Journal]

    • Several versions

    Analytical Modeling and Simulation of Four-Switch Hybrid Power Filter Working with Sixfold Switching Symmetry

    Tlustý, Josef, Skramlík, Jirí, Svec, Jan, Valouch, Viktor
    Mathematical Problems in Engineering, 2012, Vol.2012 [Peer Reviewed Journal]

    • Several versions

    Three registers in an untrained female singer analyzed by videokymography, strobolaryngoscopy and sound spectrography

    Svec, Jan G, Sundberg, Johan, Hertegård, Stellan
    The Journal of the Acoustical Society of America, January 2008, Vol.123(1), pp.347-53 [Peer Reviewed Journal]

    • Several versions

    System for fast lexical and phonetic spoken term detection in a Czech cultural heritage archive

    Psutka, Josef, Švec, Jan, Psutka, Josef, Vaněk, Jan, Pražák, Aleš, Šmídl, Luboš, Ircing, Pavel
    EURASIP Journal on Audio, Speech, and Music Processing, 2011, Vol.2011(1), pp.1-11 [Peer Reviewed Journal]

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    Membranous and cartilaginous vocal fold adduction in singing

    Herbst, Christian T, Qiu, Qingjun, Schutte, Harm K, Švec, Jan G
    The Journal of the Acoustical Society of America, April 2011, Vol.129(4), pp.2253-62 [Peer Reviewed Journal]
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    Title: Membranous and cartilaginous vocal fold adduction in singing
    Author: Herbst, Christian T; Qiu, Qingjun; Schutte, Harm K; Švec, Jan G
    Subject: Music ; Laryngeal Cartilages -- Physiology ; Vocal Cords -- Physiology ; Voice Quality -- Physiology
    Description: While vocal fold adduction is an important parameter in speech, relatively little has been known on the adjustment of the vocal fold adduction in singing. This study investigates the possibility of separate adjustments of cartilaginous and membranous vocal fold adduction in singing. Six female and seven male subjects, singers and non-singers, were asked to imitate an instructor in producing four phonation types: "aBducted falsetto" (FaB), "aDducted falsetto" (FaD), "aBducted Chest" (CaB), and "aDducted Chest" (CaD). The phonations were evaluated using videostroboscopy, videokymography (VKG), electroglottography (EGG), and audio recordings. All the subjects showed less posterior (cartilaginous) vocal fold adduction in phonation types FaB and CaB than in FaD and CaD, and less membranous vocal fold adduction (smaller closed quotient) in FaB and FaD than in CaB and CaD. The findings indicate that the exercises enabled the singers to separately manipulate (a) cartilaginous adduction and (b)...
    Is part of: The Journal of the Acoustical Society of America, April 2011, Vol.129(4), pp.2253-62
    Identifier: 1520-8524 (E-ISSN); 21476680 Version (PMID); 10.1121/1.3552874 (DOI)

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    Vocal tract changes caused by phonation into a tube: a case study using computer tomography and finite-element modeling

    Vampola, Tomás, Laukkanen, Anne-Maria, Horácek, Jaromír, Svec, Jan G
    The Journal of the Acoustical Society of America, January 2011, Vol.129(1), pp.310-5 [Peer Reviewed Journal]
    MEDLINE/PubMed (U.S. National Library of Medicine)
    Available
    More…
    Title: Vocal tract changes caused by phonation into a tube: a case study using computer tomography and finite-element modeling
    Author: Vampola, Tomás; Laukkanen, Anne-Maria; Horácek, Jaromír; Svec, Jan G
    Subject: Finite Element Analysis ; Models, Biological ; Phonation ; Speech Acoustics ; Tomography, X-Ray Computed ; Larynx -- Diagnostic Imaging
    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 velopharyngeal 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...
    Is part of: The Journal of the Acoustical Society of America, January 2011, Vol.129(1), pp.310-5
    Identifier: 1520-8524 (E-ISSN); 21303012 Version (PMID); 10.1121/1.3506347 (DOI)