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High-frequency threshold measurements using insert earphones.

H Tang1, T Letowski

  • 1Department of Communication Disorders, Pennsylvania State University, University Park.

Ear and Hearing
|October 1, 1992
PubMed
Summary
This summary is machine-generated.

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Insert earphones show less variability in high-frequency hearing tests compared to circumaural earphones. This suggests insert earphones are better for accurate high-frequency threshold measurements.

Area of Science:

  • Audiology
  • Hearing Science

Background:

  • High-frequency hearing thresholds are crucial for diagnosing hearing loss.
  • Previous research indicates significant variability in high-frequency threshold measurements using circumaural earphones.

Purpose of the Study:

  • To compare the variability of high-frequency hearing thresholds measured with insert earphones versus circumaural earphones.
  • To determine the suitability of different earphone types for high-frequency audiometry.

Main Methods:

  • Audiometric testing of 10 subjects at 10, 12, 14, and 16 kHz.
  • Utilized Sennheiser HD-250 circumaural earphones and Etymotic ER-1 insert earphones.

Main Results:

  • Insert earphones demonstrated significantly lower intersubject variability in threshold data.

Related Experiment Videos

  • Circumaural earphones yielded more variable results for high-frequency threshold measurements.

    • Conclusions:

    • Insert earphones are more suitable for precise high-frequency threshold testing.
    • Reduced variability with insert earphones can improve the reliability of high-frequency audiometry.