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High Frequency Audiometry

High frequency audiometry (above 8 kHz) is performed using the same procedure as normal air conduction audiometry. High frequency audiometry is helpful when testing hearing impairments caused by ototoxicity, noise exposure, and acoustic traumas or in the assessment of patients with tinnitus. The frequency area is more susceptible to the effects of external factors such as medication and loud noises relative to the low and mid frequencies.

Required Items

  • A response button
  • High frequency audiometry headset (HDA300) and a high frequency license installed

    Note: High frequency audiometry is only available if the optional high frequency license is installed on the instrument. If the license is not installed or if the headset is not calibrated for high frequencies the HF phone button does not appear on the audiometer and the HF button and HFz button will be dimmed in Diagnostic Suite.

Test Procedure

  1. To perform HF Audiometry, select the Tone and HF Phone; this will activate the HF Audiometry function.
  2. Choose between HF and HFz; shows the full range of audiometric test frequencies, whereas HFz only shows the high frequency range  or  in Diagnostic Suite.
  3. Use the high frequency headset to perform a high frequency audiometry. The audiometry is performed in the same way as a normal air conduction audiometry would be performed.
June 2016
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Features and/or functions may not be available for all countries or all areas and product specifications are subject to change without prior notification.
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