{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,27]],"date-time":"2026-09-27T13:55:44Z","timestamp":1790517344524,"version":"4.1.0"},"reference-count":32,"publisher":"Acoustical Society of America (ASA)","issue":"5","content-domain":{"domain":["pubs.aip.org"],"crossmark-restriction":true},"short-container-title":[],"published-print":{"date-parts":[[2017,5,1]]},"abstract":"<jats:p>Among vocal fold diseases, the presence of a surface growth is often encountered and can be considered a public health issue. While more energy is required to achieve phonation than in healthy cases, this situation can lead to a wide range of voice perturbations, from a change of voice quality to aphonia. The present study aims at providing finer comprehension of the physical phenomena underlying this type of pathological phonation process. A vocal fold replica is used to perform measurements of mechanical responses of each vocal fold as well as of the subglottal pressure in both healthy and pathological configurations. Besides these physical measurements, a theoretical model is derived, using the one-mass-delayed model involving asymmetry of mass and geometry in order to simulate pressure signals. The theoretical model parameters are determined according to mechanical measurements on the replica. Results from measurements and simulations show that this unique vocal fold replica behaves in a manner comparable to clinical observations. The energy required to produce sound increases in the presence of a growth as well as with the size of the growth. Further investigation tends to show that the contact of the growth on the opposite vocal fold, considered as additional damping, plays a critical role.<\/jats:p>","DOI":"10.1121\/1.4979935","type":"journal-article","created":{"date-parts":[[2017,5,3]],"date-time":"2017-05-03T14:54:10Z","timestamp":1493823250000},"page":"3050-3058","update-policy":"https:\/\/doi.org\/10.1063\/aip-crossmark-policy-page","source":"Crossref","is-referenced-by-count":14,"title":["Threshold of oscillation of a vocal fold replica with unilateral surface growths"],"prefix":"10.1121","volume":"141","author":[{"given":"Paul","family":"Luizard","sequence":"first","affiliation":[{"name":"GIPSA-lab UMR 5216 , 11 rue des math\u00e9matiques, BP 46, 38402 Saint-Martin-D'H\u00e8res, France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Xavier","family":"Pelorson","sequence":"additional","affiliation":[{"name":"GIPSA-lab UMR 5216 , 11 rue des math\u00e9matiques, BP 46, 38402 Saint-Martin-D'H\u00e8res, France"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"231","published-online":{"date-parts":[[2017,5,3]]},"reference":[{"key":"2023071700232960700_c1","doi-asserted-by":"publisher","first-page":"1988","DOI":"10.1097\/01.mlg.0000179174.32345.41","article-title":"Voice disorders in the general population: Prevalence, risk factors, and occupational impact","volume":"115","year":"2005","journal-title":"Laryngoscope"},{"issue":"4","key":"2023071700232960700_c2","doi-asserted-by":"publisher","first-page":"407","DOI":"10.1016\/j.jvoice.2006.04.001","article-title":"Vocal evaluation in teachers with and without symptoms","volume":"21","year":"2007","journal-title":"J. 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