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Noise-excluding enclosure for audiometry.

E W Stark, T E Borton

    Audiology : Official Organ of the International Society of Audiology
    |May 1, 1975
    PubMed
    Summary
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    Audiocups provide valid pure-tone thresholds comparable to standard earphones, even in noisy environments. These noise-excluding enclosures effectively reduce white noise masking, improving hearing tests.

    Area of Science:

    • Audiology
    • Occupational Health
    • Acoustics

    Background:

    • Excessive ambient noise compromises hearing conservation program effectiveness.
    • Noise-excluding enclosures can mitigate masking effects better than standard earphones.
    • Previous research raised concerns about the validity of pure-tone thresholds obtained with some enclosures.

    Purpose of the Study:

    • To evaluate the validity of pure-tone thresholds obtained using the Audiocup enclosure.
    • To assess the effectiveness of Audiocups in reducing white noise masking effects.
    • To determine if Audiocups are suitable for audiometric testing in suboptimal environments.

    Main Methods:

    • Comparison of pure-tone thresholds measured with Audiocups versus standard earphones.
    • Evaluation of Audiocup performance in the presence of white noise masking.

    Related Experiment Videos

  • Assessment of threshold validity in simulated noisy testing conditions.

    • Main Results:

    • Pure-tone thresholds obtained with Audiocups were nearly identical to those from standard earphones.
    • Audiocups demonstrated superior reduction of white noise masking compared to standard earphones.
    • The enclosure maintained threshold validity despite ambient noise interference.

    Conclusions:

    • Audiocups yield valid pure-tone thresholds comparable to standard earphones.
    • Audiocups effectively reduce masking effects from ambient white noise.
    • The Audiocup is a reliable tool for hearing screening and threshold audiometry in noisy environments.