Semi-occluded vocal tract; subglottal pressure; tracheal puncture; transglottal pressure; voice rehabilitation; Acoustics; Biomechanical Phenomena; Electrodiagnosis; Female; Glottis/physiology; Healthy Volunteers; Humans; Pressure; Sound Spectrography; Speech Acoustics; Time Factors; Vibration; Vocal Cords/physiopathology; Phonation; Voice Quality; Voice Training; Glottis; Vocal Cords; Arts and Humanities (miscellaneous); Speech and Hearing; LPN and LVN
Abstract :
[en] The aim of this study was to rank vocal exercises using semi-occluded vocal tracts (SOVT) as a function of their effect on subglottal pressure (SGP) and on transglottal pressure (TGP). Direct measurements were performed in two healthy females. The correct realization of vocal exercises was controlled by maintaining a constant airflow at the phonation onset. TGP varied from 1.8 to 5.9 hPa among SOVT, in the same range as phonation threshold pressure values. SGP varied among subjects from 19.4 for 2-mm straw to 3.2 hPa for closed vowel. SOVT could be ranked in voice rehabilitation from the greatest to the smallest effects on SGP as following: 1) 2-mm straw; 2) 5-mm straw and fricative /v/; 3) 8-mm straw and nasals /m/ and /n/; 4) vowel /i/.
Disciplines :
Otolaryngology
Author, co-author :
Robieux, Camille; a Aix Marseille Université, CNRS , LPL UMR 7309, 13604, Aix en Provence , France
Galant, Camille; a Aix Marseille Université, CNRS , LPL UMR 7309, 13604, Aix en Provence , France ; b APHM, Timone Adultes , ORL, 13385, Marseille , France
Lagier, Aude ; Centre Hospitalier Universitaire de Liège - CHU > > Service d'ORL, d'audiophonologie et de chir. cervico-faciale ; a Aix Marseille Université, CNRS , LPL UMR 7309, 13604, Aix en Provence , France ; b APHM, Timone Adultes , ORL, 13385, Marseille , France
Legou, Thierry; a Aix Marseille Université, CNRS , LPL UMR 7309, 13604, Aix en Provence , France
Giovanni, Antoine; a Aix Marseille Université, CNRS , LPL UMR 7309, 13604, Aix en Provence , France ; b APHM, Timone Adultes , ORL, 13385, Marseille , France
Language :
English
Title :
Direct measurement of pressures involved in vocal exercises using semi-occluded vocal tracts.
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