![]() ![]() The voice source in connected speech,” Speech Commun. A., andĮffects of a vocal tract constriction on the glottal source: Data from voiced consonants,” in Laryngeal Function in Phonation and Respiration, edited by T. Previous work has made use of physical modelling of the vocal tract to examine the rate and volume of glottal flow as a function of supraglottal resistance [e.g., Bickley and Stevens (1987) 2. leaving open the possibility that these laryngeal adjustments are under a speaker's active control. On the mechanism of glottal vibration for vowels and consonants,” Q. The difference in aerodynamic conditions due to different supraglottal constrictions has also been hypothesized to affect the way in which the vocal folds vibrate, with Halle and Stevens (1967) 8. “Īrticulatory adjustments in initial voiced stops in Spanish, French and English,” J. “Įnlargement of the supraglottal cavity and its relation to stop consonant voicing,” J. “įactors in the maintenance and cessation of voicing,” Phonetica 34(4), 304– 306. ![]() Previous studies have thus sought to examine the ways in which speakers overcome these constraints, and have reported articulatory mechanisms (e.g., active enlargement of the oral cavity or nasal venting) that aim to reduce or slow down the build-up of oral pressure and therefore facilitate phonation [e.g., Lisker (1977) 21. On the naturalness of stop consonant voicing,” J. The breath-stream dynamics of simple-released-plosive production (Bibliotheca Phonetica No. Thus, in the extreme, when there is full closure, as in a stop, voicing will eventually cease as oral pressure equalizes to subglottal pressure ( Rothenberg, 1968 33. Physics of laryngeal behavior and larynx modes,” Phonetica 34(4), 264– 279. “Īirflow and turbulence noise for fricative and stop consonants,” J. “Įffects of syllable position on sound change: An aerodynamic study of final fricative weakening,” J. Phonetic and phonological representation of stop consonant voicing,” Language 60(2), 286– 319. Voicing during stops and fricatives is notably challenging to maintain due to these aerodynamic requirements [e.g., Keating (1984) 16. Myoelastic-aerodynamic theory of voice production,” J. This dependency between filter and source is due to the fact that in order to initiate and maintain voicing there must be a decrease in pressure across the larynx (e.g., van den Berg, 1958 45. It is well-known that the ease of initiating and sustaining voicing is affected by the size of the supraglottal constriction. ![]()
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