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Related Experiment Videos

Frequency variability in the aged voice

B J Benjamin

    Journal of Gerontology
    |November 1, 1981
    PubMed
    Summary
    This summary is machine-generated.

    Older adults exhibit distinct voice changes, including lower fundamental frequency and increased vocal variability, compared to younger adults. These findings impact understanding of aging effects on voice and laryngeal health.

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    Area of Science:

    • Gerontology
    • Speech and Hearing Science
    • Acoustic Phonetics

    Background:

    • Aging significantly impacts physiological functions, including vocal production.
    • Understanding age-related vocal changes is crucial for distinguishing normal aging from laryngeal dysfunction.

    Purpose of the Study:

    • To investigate fundamental frequency (F0) variations and perturbation in aging voices.
    • To compare vocal characteristics between young and older adult speakers.

    Main Methods:

    • F0 contour analysis during reading of standardized passages (Rainbow Passage).
    • Frequency perturbation measurement of sustained vowel /a/ production.
    • Acoustic analysis using Tektronix Visipitch and Honeywell Visicorder.

    Main Results:

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    • Older adults demonstrated lower fundamental frequency and wider intonational ranges.
    • Increased number and magnitude of inflections were observed in older speakers.
    • Significantly greater frequency perturbation in sustained vowels of older adults.

    Conclusions:

    • Aging is associated with measurable changes in vocal pitch, intonation, and stability.
    • These acoustic alterations may inform the diagnosis of age-related laryngeal conditions.
    • The study highlights significant differences in voice acoustics between young and older adults.