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Vertical laryngeal position and oral pressure variations during resonance tube phonation in water and in air. A pilot study.
KTH, School of Computer Science and Communication (CSC), Speech, Music and Hearing, TMH, Music Acoustics. College of Music Education, Sweden.
2015 (English)In: Logopedics, Phoniatrics, Vocology, ISSN 1401-5439, E-ISSN 1651-2022Article in journal (Refereed) Published
Abstract [en]

Resonance tube phonation in water (RTPW) is commonly used in voice therapy, particularly in Finland and Sweden. The method is believed to induce a lowering of the vertical laryngeal position (VLP) in phonation as well as variations of the oral pressure, possibly inducing a massage effect. This pilot study presents an attempt to measure VLP and oral pressure in two subjects during RTPW and during phonation with the free tube end in air. VLP is recorded by means of a dual-channel electroglottograph. RTPW was found to lower VLP in the subjects, while it increased during phonation with the tube end in air. RTPW caused an oral pressure modulation with a bubble frequency of 14-22 Hz, depending mainly on the depth of the tube end under the water surface. The results indicate that RTPW lowers the VLP instantly and creates oral pressure variations.

Place, publisher, year, edition, pages
Taylor & Francis, 2015.
National Category
Computer Science Language Technology (Computational Linguistics)
URN: urn:nbn:se:kth:diva-180412DOI: 10.3109/14015439.2015.1028101ISI: 000379958300004ScopusID: 2-s2.0-84977512180OAI: diva2:893725

QC 20160812

Available from: 2016-01-13 Created: 2016-01-13 Last updated: 2016-08-12Bibliographically approved

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