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Interarticulator programming in obstruent production

A Löfqvist, H Yoshioka

    Phonetica
    |January 1, 1981
    PubMed
    Summary

    This study reveals that speech motor control involves precise laryngeal-oral coordination for voiceless obstruents. Articulatory movements are timed with aerodynamic needs for clear speech production.

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    Area of Science:

    • Linguistics
    • Speech Science
    • Phonetics

    Background:

    • Speech motor control models often lack intrasegmental temporal domains.
    • Intrasegmental timing is crucial for specific speech sounds like voiceless obstruents.

    Purpose of the Study:

    • To investigate laryngeal-oral coordination in voiceless obstruent production across languages.
    • To understand the temporal organization of laryngeal gestures relative to supralaryngeal articulations.

    Main Methods:

    • Combined electromyography, transillumination, and fiberoptic filming of the larynx.
    • Utilized aerodynamic and palatographic records for supralaryngeal articulation data.

    Main Results:

    • Laryngeal movements consist of continuous opening and closing gestures.
    • These laryngeal gestures are precisely coordinated with supralaryngeal events.
    • Coordination is dictated by the aerodynamic requirements of speech production.

    Conclusions:

    • Speech production models need to incorporate intrasegmental temporal domains.
    • Laryngeal-oral coordination is a key factor in producing voiceless obstruents accurately.
    • Aerodynamic principles guide the precise timing of articulatory movements in speech.

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