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Related Experiment Videos

Mandible height and syllable-final tenseness.

O Fujimura, J E Miller

    Phonetica
    |January 1, 1979
    PubMed
    Summary

    Mandible movements during speech show distinct patterns for /t/ and /d/ sounds. Peak position and ascending velocity of the mandible may help differentiate these sounds, with some speaker variability.

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    A Comparison of Regularized Maximum-Likelihood, Regularized 2-Stage Least Squares, and Maximum-Likelihood Estimation with Misspecified Models, Small Samples, and Weak Factor Structure.

    Multivariate behavioral research·2020

    Area of Science:

    • Linguistics
    • Speech Science
    • Biomechanics

    Background:

    • Understanding articulatory phonetics is crucial for speech production research.
    • Distinguishing between phonemes like /t/ and /d/ involves subtle articulatory differences.
    • The role of mandible movement in speech sound differentiation requires further investigation.

    Purpose of the Study:

    • To investigate mandible movement differences between syllable-final /t/ and /d/.
    • To assess the relevance of mandible position and velocity for the tense/lax distinction.
    • To explore similarities with lingual movements and the /k/-/g/ distinction.

    Main Methods:

    • Utilized a computer-controlled X-ray microbeam system for data acquisition.
    • Analyzed mandible position and velocity during vowel-to-consonant transitions.
    • Cooperated with the University of Tokyo group for data collection.

    Main Results:

    • Consistent differences in mandible movements were observed between /t/ and /d/.
    • Peak mandible position and ascending velocity showed relevance to the tense/lax distinction.
    • Speaker variability affected the reliability of these kinematic criteria.

    Conclusions:

    • Mandible kinematics provide cues for differentiating syllable-final /t/ and /d/.
    • These findings contribute to the understanding of speech production mechanisms.
    • Further research can explore the application of these kinematic markers across different languages and speakers.

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