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Related Experiment Videos

Self-noise problems in hearing aids.

A R McKenzie, C G Rice

    British Journal of Audiology
    |February 1, 1987
    PubMed
    Summary
    This summary is machine-generated.

    Most hearing aid users are not bothered by self-noise. Research indicates that audible hearing aid self-noise typically occurs only with specific hearing loss patterns or high background noise, suggesting other complaints may stem from external sounds.

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    Area of Science:

    • Audiology
    • Acoustics
    • Biomedical Engineering

    Background:

    • Hearing aid self-noise is a potential concern for users.
    • Understanding the audibility of hearing aid noise is crucial for user satisfaction.

    Purpose of the Study:

    • To investigate the prevalence and audibility of hearing aid self-noise.
    • To identify conditions under which hearing aid self-noise becomes problematic for users.

    Main Methods:

    • A survey of 75 hearing aid users was conducted.
    • Laboratory testing was performed at the Institute of Sound and Vibration Research.
    • Audibility thresholds for self-noise were measured in a soundproof environment.

    Main Results:

    • No surveyed hearing aid users reported issues with self-noise.

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  • No participants could detect self-noise at normal hearing aid settings.
  • Self-noise becomes audible when its level exceeds the pure-tone audibility threshold in specific frequency bands.

    • Conclusions:

    • Audible self-noise is primarily linked to specific hearing loss configurations, such as 'ski-slope' loss, where gain is applied to frequencies with minimal hearing impairment.
    • Complaints of hearing aid self-noise may often be misinterpretations of external background noise.
    • Further research could explore user perception across diverse hearing loss profiles and listening environments.