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Related Experiment Videos

[The 3-dimensional voice field].

F Klingholz, F Martin, A Jolk

    Laryngologie, Rhinologie, Otologie
    |October 1, 1986
    PubMed
    Summary

    Adding aerodynamic or voice quality measures to the voice field can enhance laryngeal function assessment. However, these methods present challenges in measurement and interpretation, especially concerning physiological limits and voice perturbation.

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    Influence of unilateral vocal fold fixation on the structure of the intrinsic laryngeal muscles.

    Folia phoniatrica·1993

    Area of Science:

    • Laryngology and Speech Science
    • Acoustic Analysis
    • Physiology of Phonation

    Context:

    • The voice field, a graphical representation of laryngeal function, is typically analyzed using frequency and intensity.
    • Extending the voice field with additional parameters like aerodynamic measures or voice quality metrics offers new insights but introduces methodological complexities.
    • Existing methods for assessing voice perturbation (e.g., jitter, shimmer) have limitations in interpreting results across different phonation efforts (piano vs. forte).

    Purpose:

    • To explore the advantages and disadvantages of incorporating a third variable into the voice field analysis for characterizing phonation.
    • To evaluate the utility of aerodynamic variables and voice quality measures (singing formant, sharpness) as extensions to the voice field.
    • To investigate the relationship between acoustic voice features and physiological laryngeal activity using electromyography (EMG) data within the voice field framework.

    Summary:

    • Extending the voice field with aerodynamic variables improves the representation of laryngeal efficiency but complicates measurement.
    • Using voice quality measures like singing formant or sharpness as the third dimension provides unique references but may not reflect typical singing or speaking voice production.
    • Incorporating EMG data, specifically for the vocalis muscle, reveals significant correlations between acoustic parameters and physiological laryngeal function across different phonation types and registers.

    Impact:

    • Provides a more comprehensive understanding of laryngeal function by integrating acoustic and physiological data.
    • Highlights the trade-offs between enhanced analytical depth and methodological complexity when extending voice field analysis.
    • Offers a foundation for developing more sophisticated diagnostic tools for voice disorders and performance assessment.

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