https://hdl.handle.net/1721.1/18226 2026-04-03T17:56:46Z https://hdl.handle.net/1721.1/64959 Modeling stop-consonant releases for synthesis Hanson, Helen M.; Stevens, Kenneth N. This study is part of a project leading to rule-based speech synthesis using the HLsyn synthesizer. In HLsyn, stop-consonant releases are generated by controlling the time variation of a constriction that is formed by the lips, the tongue blade, or the tongue body. In order to generate a consonant release that is perceptually acceptable and that has acoustic characteristics that match those of normal speech, it was found that the trajectory of the consonant release (cross-sectional area versus time) had to exhibit an initial rapid rise, followed by a delay in which the rise was interrupted, followed finally by a final rise. The burst at the consonant release is generated by the airflow through the constriction during the time that the rise is delayed. A model of the time course of this three-stage release of the articulator has been developed, taking into account the role of the intraoral pressure, the tapering formed by the articulator, and the glottal area. The model shows that the delay between the initial and final area increases is progressively longer for labials, alveolars, and velars, in agreement with acoustic data on the burst duration. Poster presented at the Spring 2000 Meeting of the Acoustical Society of America held in Atlanta, GA. 2011-07-27T00:00:00Z https://hdl.handle.net/1721.1/34956 Nasal codas in Standard Chinese: a study in the framework of the distinctive feature theory Mou, Xiaomin, 1977- Thesis (Ph.D.)—Harvard-MIT Division of Health Sciences and Technology, 2006; Includes bibliographical references (p. 145-147); This electronic version was prepared by the student. The certified thesis is available in the Institute Archives and Special Collections. 2006-01-01T00:00:00Z https://hdl.handle.net/1721.1/31202 Subglottal coupling and vowel space. Sonderegger, Morgan A.; Chi, Xuemin, 1979- Poster presented at the 147th Meeting of the Acoustical Society of America, New York, N.Y., May 2004. 2006-02-06T16:44:35Z