{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,9,21]],"date-time":"2025-09-21T17:26:06Z","timestamp":1758475566808},"reference-count":26,"publisher":"Acoustical Society of America (ASA)","issue":"2","content-domain":{"domain":["pubs.aip.org"],"crossmark-restriction":true},"short-container-title":[],"published-print":{"date-parts":[[2012,2,1]]},"abstract":"<jats:p>The voice source is dominated by aeroacoustic sources downstream of the glottis. In this paper an investigation is made of the contribution to voiced speech of secondary sources within the glottis. The acoustic waveform is ultimately determined by the volume velocity of air at the glottis, which is controlled by vocal fold vibration, pressure forcing from the lungs, and unsteady backreactions from the sound and from the supraglottal air jet. The theory of aerodynamic sound is applied to study the influence on the fine details of the acoustic waveform of \u201cpotential flow\u201d added-mass-type glottal sources, glottis friction, and vorticity either in the glottis-wall boundary layer or in the portion of the free jet shear layer within the glottis. These sources govern predominantly the high frequency content of the sound when the glottis is near closure. A detailed analysis performed for a canonical, cylindrical glottis of rectangular cross section indicates that glottis-interior boundary\/shear layer vortex sources and the surface frictional source are of comparable importance; the influence of the potential flow source is about an order of magnitude smaller.<\/jats:p>","DOI":"10.1121\/1.3672655","type":"journal-article","created":{"date-parts":[[2012,2,15]],"date-time":"2012-02-15T13:36:48Z","timestamp":1329313008000},"page":"1391-1400","update-policy":"http:\/\/dx.doi.org\/10.1063\/aip-crossmark-policy-page","source":"Crossref","is-referenced-by-count":5,"title":["On the role of glottis-interior sources in the production of voiced sound"],"prefix":"10.1121","volume":"131","author":[{"given":"M. S.","family":"Howe","sequence":"first","affiliation":[{"name":"Boston University College of Engineering, , 110 Cummington Street, Boston, Massachusetts 02215"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"R. 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