{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,5]],"date-time":"2026-10-05T17:03:25Z","timestamp":1791219805394,"version":"4.1.0"},"reference-count":17,"publisher":"Acoustical Society of America (ASA)","issue":"4","content-domain":{"domain":["pubs.aip.org"],"crossmark-restriction":true},"short-container-title":[],"published-print":{"date-parts":[[2007,10,1]]},"abstract":"<jats:p>The purpose of this study was to find relationships between subglottal pressure (Ps) and fundamental frequency (F0) of phonation in excised larynx models. This included also the relation between F0 and its rate of change with pressure (dF\u2215dP). Canine larynges were prepared and mounted over a tapered tube that supplied pressurized, heated, and humidified air. Glottal adduction was accomplished either by using two-pronged probes to press the arytenoids together or by passing a suture to simulate lateral cricoarytenoid muscle activation. The pressure-frequency relation was obtained through a series of pressure-flow sweep experiments that were conducted for eight excised canine larynges. It was found that, at set adduction and elongation levels, the pressure-frequency relation is nonlinear, and is highly influenced by the adduction and elongation. The results indicated that for the lower phonation mode, the average rate of change of frequency with pressure was 2.9\u00b10.7Hz\u2215cm\u2008H2O, and for the higher mode was 5.3\u00b10.5Hz\u2215cm\u2008H2O for adduction changes and 8.2\u00b14.4Hz\u2215cm\u2008H2O for elongation changes. The results suggest that during speech and singing, the dF\u2215dP relationships are taken into account.<\/jats:p>","DOI":"10.1121\/1.2772230","type":"journal-article","created":{"date-parts":[[2007,9,26]],"date-time":"2007-09-26T22:21:15Z","timestamp":1190845275000},"page":"2296-2305","update-policy":"https:\/\/doi.org\/10.1063\/aip-crossmark-policy-page","source":"Crossref","is-referenced-by-count":32,"title":["On pressure-frequency relations in the excised larynx"],"prefix":"10.1121","volume":"122","author":[{"given":"Fariborz","family":"Alipour","sequence":"first","affiliation":[{"name":"The University of Iowa Department of Speech Pathology and Audiology, , Iowa City, Iowa 52242"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ronald C.","family":"Scherer","sequence":"additional","affiliation":[{"name":"The University of Iowa Department of Speech Pathology and Audiology, , Iowa City, Iowa 52242 and Department of Communication Disorders, , Bowling Green, Ohio 43403"},{"name":"Bowling Green State University Department of Speech Pathology and Audiology, , Iowa City, Iowa 52242 and Department of Communication Disorders, , Bowling Green, Ohio 43403"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"231","reference":[{"key":"2023080405435372300_c1","doi-asserted-by":"crossref","first-page":"550","DOI":"10.1177\/000348940111000609","article-title":"Aerodynamic profiles of a hemilarynx with vocal tract","volume":"110","year":"2001","journal-title":"Ann. 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