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[Observation and analyses on voice changes in the normal aged].

Y Liang1, W N Huang, C Zhang

  • 1Department of Otorhinolaryngology, Beijing Hospital, Beijing 100730.

Lin Chuang Er Bi Yan Hou Ke Za Zhi = Journal of Clinical Otorhinolaryngology
|February 5, 2003
PubMed
Summary
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Aging causes normal physiological voice changes, particularly in males over 80, affecting fundamental frequency and harmonics. These voice changes indicate potential phonation decline needing protection and training.

Area of Science:

  • Gerontology
  • Acoustic analysis
  • Speech science

Context:

  • Voice changes are common in aging populations.
  • Understanding age-related vocal alterations is crucial for health assessment.
  • Distinguishing normal aging from pathological vocal conditions is important.

Purpose:

  • To systematically study voice changes in normal aging individuals.
  • To analyze acoustic features of aged voices using sonography.
  • To establish normative data for aged voice parameters.

Summary:

  • Analysis of 146 normal aged voice samples revealed age-related vocal changes, especially in males over 80.
  • Key findings include decreased fundamental frequency, altered harmonic regulation, and reduced male-female voice differences.

Related Experiment Videos

  • Harmonics-to-noise ratio decreased and amplitude perturbation quotient increased with age in males, with less significant changes in females.

    • Impact:

    • Identifies normal physiological voice changes associated with aging.
    • Provides parameters for differentiating normal aging voices from abnormal ones.
    • Highlights the need for vocal protection and training for the aging population to mitigate phonation decline.