{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,3]],"date-time":"2026-10-03T16:55:30Z","timestamp":1791046530526,"version":"4.1.0"},"reference-count":29,"publisher":"Acoustical Society of America (ASA)","issue":"5","content-domain":{"domain":["pubs.aip.org"],"crossmark-restriction":true},"short-container-title":[],"published-print":{"date-parts":[[2005,5,1]]},"abstract":"<jats:p>Voiced sounds were simulated with a computer model of the vocal fold composed of a single mass vibrating both parallel and perpendicular to the airflow. Similarities with the two-mass model are found in the amplitudes of the glottal area and the glottal volume flow velocity, the variation in the volume flow waveform with the vocal tract shape, and the dependence of the oscillation amplitude upon the average opening area of the glottis, among other similar features. A few dissimilarities are also found in the more symmetric glottal and volume flow waveforms in the rising and falling phases. The major improvement of the present model over the two-mass model is that it yields a smooth transition between oscillations with an inductive load and a capacitive load of the vocal tract with no sudden jumps in the vibration frequency. Self-excitation is possible both below and above the first formant frequency of the vocal tract. By taking advantage of the wider continuous frequency range, the two-dimensional model can successfully be applied to the sound synthesis of a high-pitched soprano singing, where the fundamental frequency sometimes exceeds the first formant frequency.<\/jats:p>","DOI":"10.1121\/1.1861592","type":"journal-article","created":{"date-parts":[[2005,5,2]],"date-time":"2005-05-02T13:34:49Z","timestamp":1115040889000},"page":"3213-3224","update-policy":"https:\/\/doi.org\/10.1063\/aip-crossmark-policy-page","source":"Crossref","is-referenced-by-count":30,"title":["Two-dimensional model of vocal fold vibration for sound synthesis of voice and soprano singing"],"prefix":"10.1121","volume":"117","author":[{"given":"Seiji","family":"Adachi","sequence":"first","affiliation":[{"name":"ATR Human Information Science Laboratories, 2-2-2 Hikaridai, Keihanna Science City, Kyoto\u2009619-0288\u2009Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jason","family":"Yu","sequence":"additional","affiliation":[{"name":"ATR Human Information Science Laboratories, 2-2-2 Hikaridai, Keihanna Science City, Kyoto\u2009619-0288\u2009Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"231","published-online":{"date-parts":[[2005,4,28]]},"reference":[{"issue":"6","key":"2023071308020726300_r1","doi-asserted-by":"crossref","first-page":"1233","DOI":"10.1002\/j.1538-7305.1972.tb02651.x","article-title":"Synthesis of voiced sounds from a two-mass model of the vocal cords","volume":"51","year":"1972","journal-title":"Bell Syst. 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