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Related Experiment Videos

Automatic phonetogram recording supplemented with acoustical voice-quality parameters.

J P Pabon1, R Plomp

  • 1Free University Hospital, Amsterdam.

Journal of Speech and Hearing Research
|December 1, 1988
PubMed
Summary
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A novel phonetography method automatically registers voice quality by measuring fundamental frequency (Fo) and sound pressure level (SPL). This technique quantifies roughness, sharpness, and breathiness, enabling more meaningful voice data comparisons.

Area of Science:

  • Speech and Hearing Sciences
  • Acoustics
  • Medical Engineering

Background:

  • Voice quality assessment is crucial for diagnosing speech disorders.
  • Existing methods for voice registration can be subjective or lack comprehensive dynamic range analysis.
  • Phonetography offers a potential framework for objective voice analysis.

Purpose of the Study:

  • To introduce a new, automated method for voice-quality registration using phonetography.
  • To simultaneously measure key acoustic parameters alongside fundamental frequency (Fo) and sound pressure level (SPL).
  • To establish a reference tool for more meaningful comparison of voice-quality data.

Main Methods:

  • Developed an automated phonetogram-recording system.
  • Measured fundamental frequency (Fo) and sound pressure level (SPL) automatically, displayed on an XY-diagram.

Related Experiment Videos

  • Simultaneously quantified jitter (roughness), SPL difference (sharpness), and vocal-noise level (breathiness) as a function of Fo and SPL.

    • Main Results:

    • The automated method successfully registered voice quality parameters.
    • Demonstrated the dependence of voice quality parameters (roughness, sharpness, breathiness) on Fo and SPL.
    • Showcased the ability to pin parameter values to a reference position within the patient's vocal range.

    Conclusions:

    • The new automated phonetogram method provides a comprehensive approach to voice-quality registration.
    • This technique allows for objective and repeatable measurement of key voice characteristics.
    • The phonetogram serves as a valuable reference tool for clinical voice analysis and research.