Laryngeal Gestures in Speech Production
Published 1 January 1983
Masayuki Sawashima, Hajime Hirose
Citations58
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TL;DR
This chapter describes the physiological mechanisms of laryngeal gestures for various phonetic distinctions in speech production and an orientation toward the basic larynGEal gestures is presented.
Abstract
This chapter describes the physiological mechanisms of laryngeal gestures for various phonetic distinctions in speech production. An orientation toward the basic laryngeal gestures is presented in Section II, and detailed experimental data are discussed in Section III.
Keywords
PsychologyComputer Science
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The results show that an analysis of EMG activity of various laryngeal muscles, subglottal air pressure, and the fundamental frequency of vibration of the vocal folds can provide a useful measure of correlation between the physiological and acoustical events in speech.
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Generally speaking, computer-averaged EMG curves for the laryngeal muscles showed participation of the posterior cricoarytenoid for voiceless consonants and suppression for voiced consonants.
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An independent opening gesture of the glottis for the production of voiceless aspirated stops or voiceless fricatives even in sequentially unvoiced contexts can be interpreted as assuring the aerodynamic requirements for turbulent noise production during the aspirated stop or fricative segment.
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It seems reasonable to consider, at least for Korean stops, that the laryngeal articulatory adjustment is not limited in a simple dimension of adduction-abduction of the vocal folds, but another dimension, represented by VOC activity for example, also must be taken into consideration.
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Fibercopic films and audio recordings were made of two native speakers of Hindi, producing # Ci, iCi,iC# utterances where C was one of the four types of stops and affricates, showing voiceless unaspirated type and voiced aspirated type, with mechanism underlying stop production suggested.
Annals of Otology Rhinology & LaryngologyPosterior Cricoarytenoid as a Speech Muscle
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It was suggested that the degree and timing of PCA activity were directly responsible for determining the size and temporal course of the glottal opening for voiceless segments, although the suppression of the adductors might also have to be taken into consideration for a complete description of voiceless segment production.
Archives of Otolaryngology - Head and Neck SurgeryComputation of Motion at the Cricoarytenoid Joint
45 Citations1961Mary Ann Smith Frable
One of the most controversial and least understood articulations in the entire body is the cricoarytenoid joint of the larynx, where classical descriptions of motion occurring at the joint include gliding, sliding, tilting, rocking and horizontal rotation about a fixed point.
Anatomy and EmbryologyDie funktionelle Anatomie des Cricoarytaenoidgelenkes
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25 Citations1978Hajime Hirose, Tatsujiro Ushijima
It was found that there were apparent reciprocal patterns in the posterior cricoarytenoid (PCA) and the interarytenoids (INT) in terms of significant negative correlation, and active control of PCA for voicelessness was demonstrated.
The Journal of the Acoustical Society of AmericaPhysiological Aspects of Certain Laryngeal Features in Stop Production
8 Citations1973Hajime Hirose, Leigh Lisker +1 more
EMG recordings made of the instrinsic and extrinsic laryngeal muscles during production of intervocalic labial stops of five phonetic types indicate that abductor and adductor muscle groups follow coordinated patterns of activity corresponding to opening and closing of the glottis.
