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Continuous versus pulsed tones in audiometry.

Matthew H Burk1, Terry L Wiley

  • 1Indiana University, Bloomington, IN 47405, USA. maburk@indiana.edu

American Journal of Audiology
|July 14, 2004
PubMed
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Pulsed tones are preferred over continuous tones by most listeners with normal hearing, especially for low-level or high-frequency sounds. This finding supports the use of pulsed tones in clinical audiology for accurate hearing threshold assessment.

Area of Science:

  • Audiology
  • Hearing Science
  • Psychoacoustics

Background:

  • Accurate hearing threshold measurement is crucial in audiology.
  • Continuous and pulsed tones are common stimuli used in audiometric testing.
  • Listener perception and preference can influence test outcomes.

Purpose of the Study:

  • To compare auditory thresholds derived from continuous and pulsed tones in normal-hearing individuals.
  • To evaluate test-retest reliability, false-positive rates, and listener preference for both tone types.

Main Methods:

  • Participants with normal hearing underwent auditory threshold testing using both continuous and pulsed tones.
  • Key metrics assessed included hearing thresholds, test-retest reliability, and false-positive responses.

Related Experiment Videos

  • Listener preference for each tone type was recorded.

    • Main Results:

    • Hearing thresholds and test-retest reliability were similar for continuous and pulsed tones.
    • No significant differences were found in false-positive responses or trials needed to reach threshold.
    • A significant majority (67%) of listeners preferred pulsed tones, particularly for low-level or high-frequency sounds.

    Conclusions:

    • Pulsed tones demonstrate comparable reliability and accuracy to continuous tones in threshold assessment.
    • Listener preference favors pulsed tones, suggesting improved comfort and potentially better engagement.
    • The findings support the routine use of pulsed tones in clinical audiometry for enhanced patient experience and reliable results.