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Related Experiment Videos

[Computer-assisted phonetography as a diagnostic aid in functional dysphonia].

R Airainer1, F Klingholz

  • 1Klinik und Poliklinik für Hals-, Nasen- und Ohrenkranke der Ludwig-Maximilians-Universität München, Klinikum Grosshadern.

Laryngo- Rhino- Otologie
|July 1, 1991
PubMed
Summary
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Journal of voice : official journal of the Voice Foundation·1993
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Quantitative evaluation of phonetograms in the case of functional dysphonia.

Journal of voice : official journal of the Voice Foundation·1993
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Computer aided evaluation of phonetograms.

Computer methods and programs in biomedicine·1992

This study introduces a new computerised method to assess functional dysphonia by analyzing phonetograms. This approach quantifies voice disorder severity, aiding in diagnosis.

Area of Science:

  • Otolaryngology
  • Speech-Language Pathology
  • Acoustic Analysis

Context:

  • Functional dysphonia affects numerous individuals, necessitating objective diagnostic tools.
  • Current clinical ratings of voice disorders can be subjective.
  • Phonetography offers a quantitative measure of voice production.

Purpose:

  • To develop and validate a computerised method for assessing functional dysphonia using phonetogram parameters.
  • To correlate objective phonetogram measurements with subjective clinical ratings.
  • To differentiate between hypofunctional and hyperfunctional voice components.

Summary:

  • 160 subjects with functional dysphonia underwent clinical rating and phonetogram analysis.
  • Phonetograms were mathematically modeled using ellipses to extract quantitative parameters.

Related Experiment Videos

  • A linear combination of these parameters generated a 'calculated assessment' to predict the clinical rating.
  • Distinct calculation methods were required for male/female singers and non-singers.

    • Impact:

    • This computerised phonetogram evaluation provides an objective measure for diagnosing functional dysphonia.
    • The method allows for the graduation of voice disorders based on hypofunctional or hyperfunctional components.
    • It serves as a potential supplementary diagnostic tool in clinical practice.