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Related Experiment Videos

Intra-subject variability in FO-SPLmin voice profiles

R E Stone, P A Ferch

    The Journal of Speech and Hearing Disorders
    |May 1, 1982
    PubMed
    Summary

    FO-SPLmin Profiles, which map minimum vocal intensity (SPLmin) to pitch, appear replicable in normal adults. This suggests potential for tracking laryngeal function changes over time.

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    Area of Science:

    • Laryngology
    • Speech Science
    • Acoustic Phonetics

    Background:

    • FO-SPLmin Profiles map minimum vocal intensity (SPLmin) to pitch.
    • These profiles may indirectly document changes in laryngeal function.
    • Replicability of these profiles is crucial for their clinical utility.

    Purpose of the Study:

    • To assess the test-retest reliability of FO-SPLmin Profiles.
    • To investigate the relationship between pitch and minimum vocal intensity in normal adults.

    Main Methods:

    • Four healthy adults participated in a pilot study.
    • Subjects produced their SPLmin at 1/3 octave pitch increments.
    • Measurements were repeated on three occasions over a two-week period.

    Main Results:

    • FO-SPLmin Profiles demonstrated replicability across repeated testing.
    • SPLmin magnitudes correlated with pitch increments.
    • SPLmin increased at a rate of 8-12 dB/octave, starting around 65 dB.

    Conclusions:

    • FO-SPLmin Profiles appear to be a replicable measure.
    • These profiles show potential for monitoring laryngeal status.
    • Further research is warranted to validate these findings.

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