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Related Experiment Videos

[Factors predicting Voice Handicap Index].

B Señaris González1, F Núñez Batalla, P Corte Santos

  • 1Servicio de Otorrinolaringología del Hospital Universitario Central de Asturias, Oviedo.

Acta Otorrinolaringologica Espanola
|March 23, 2006
PubMed
Summary
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Acoustic measures like signal-to-noise ratio (SNR) and fundamental frequency (F0) predict patient-reported voice handicap, but not the physical subscale of the Voice Handicap Index (VHI). This highlights the complexity of assessing dysphonia severity.

Area of Science:

  • Otolaryngology
  • Speech and Hearing Science
  • Acoustic Analysis

Context:

  • Dysphonia severity is often assessed using objective acoustic measures and subjective patient-reported outcomes.
  • The Voice Handicap Index (VHI) quantifies patient perception of voice disorder impact.
  • Understanding predictors of VHI is crucial for comprehensive voice disorder evaluation.

Purpose:

  • To identify factors predicting patient-perceived dysphonia severity, measured by the VHI score.
  • To explore the relationship between acoustic voice parameters and subjective voice handicap.
  • To investigate predictors for different VHI subscales (functional, emotional, physical).

Summary:

  • A prospective study analyzed 81 voice samples from patients with benign vocal fold lesions.

Related Experiment Videos

  • Acoustic parameters including HNR, F0, and GRABS (breathiness, aphonia, pitch, loudness, roughness) were assessed.
  • HNR, F0, and GRABS parameters predicted total VHI score and its functional/emotional subscales, but not the physical subscale.

    • Impact:

    • VHI scores correlate with perceived breathy voice and acoustic attributes like signal-to-noise ratio (SNR).
    • The physical subscale of VHI appears independent of commonly assessed acoustic and perceptual voice parameters.
    • Findings suggest that glottic gap severity in benign vocal fold lesions relates to low SNR and breathy phonation.