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Related Experiment Videos

Voice onset in pathologic speakers.

K Kitajima, W J Gould, S M Blaugrund

    Acta Oto-Laryngologica. Supplementum
    |January 1, 1984
    PubMed
    Summary
    This summary is machine-generated.

    This study measured the voice onset time for /p/ and /b/ sounds in individuals with laryngeal pathology. Findings indicate that /b/ sounds showed longer intervals, suggesting a potential diagnostic tool for laryngeal dysfunction.

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    Area of Science:

    • Speech-Language Pathology
    • Laryngology
    • Acoustic Phonetics

    Background:

    • Assessing laryngeal function is crucial for diagnosing voice disorders.
    • Voice onset time (VOT) is a key acoustic parameter in speech production.

    Purpose of the Study:

    • To investigate voice onset time (VOT) differences in word-initial /p/ and /b/ for individuals with laryngeal pathology.
    • To evaluate the potential of VOT measurement as a diagnostic tool for laryngeal dysfunction.

    Main Methods:

    • Measurement of the time interval between the release of stop consonants (/p/, /b/) and the onset of vocal cord vibration.
    • Comparison of VOT data between subjects with laryngeal pathology and normal subjects.

    Main Results:

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  • Subjects with laryngeal pathology exhibited significantly larger VOT values for the /b/ sound compared to normal subjects.
  • The observed differences suggest altered laryngeal function affecting voice initiation.

    • Conclusions:

    • Voice onset time measurement, particularly for voiced consonants like /b/, may serve as a sensitive indicator of laryngeal dysfunction.
    • This acoustic analysis offers a non-invasive method for evaluating laryngeal pathology.