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Related Experiment Videos

Evaluating vocal fold function.

R H Colton, D W Brewer, M Rothenberg

    The Journal of Otolaryngology
    |October 1, 1983
    PubMed
    Summary
    This summary is machine-generated.

    New non-invasive methods, including inverse filtering and vocal fold contact area measurement, are being explored for evaluating vocal fold vibration in patients with voice disorders. These techniques aim to improve clinical understanding of conditions like spastic dysphonia and aid professional voice users.

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    Area of Science:

    • Laryngology
    • Speech-Language Pathology
    • Biomedical Engineering

    Background:

    • Evaluating vocal fold vibratory characteristics is crucial for understanding various vocal pathologies.
    • Current methods may be invasive or limited in clinical application.
    • Conditions like spastic dysphonia, dysphonia plica, and functional aphonia require accurate vocal fold assessment.

    Purpose of the Study:

    • To explore newer, non-invasive methods for assessing vocal fold vibratory characteristics.
    • To evaluate the clinical potential of inverse filtering of glottal airflow and vocal fold contact area measurement.
    • To enhance the understanding and diagnosis of vocal fold pathologies.

    Main Methods:

    • Review and evaluation of inverse filtering techniques for glottal airflow waveform analysis.

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  • Description and assessment of methods for measuring vocal fold contact area.
  • Consideration of these methods for application in clinical settings for voice evaluation.

    • Main Results:

    • Inverse filtering offers a potential non-invasive approach to analyze vocal fold function.
    • Vocal fold contact area measurement provides insights into vibratory behavior.
    • Both methods show promise for clinical utility in diagnosing voice disorders.

    Conclusions:

    • Non-invasive evaluation of vocal fold vibratory patterns is achievable through advanced techniques.
    • Inverse filtering and contact area measurement are valuable tools for clinicians.
    • Improved assessment of vocal fold mechanics can lead to better management of voice disorders and support for professional voice users.