hearing threshold level


Also found in: Acronyms.

hearing threshold level

The intensity of sound at which it is first perceived. More formally, it is the sound intensity of a pure tone that elicits a response from a test subject more than 50% of the time.
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References in periodicals archive ?
The hearing threshold levels in the dental hygienists with high-ultrasonic scaler usage was found to be higher than the threshold levels in dental hygienists with a low-ultrasonic scaler usage at the same frequency.
Then depending upon hearing threshold level workers were classified into six grades--no hearing loss, mild hearing loss, moderate hearing loss, moderately severe hearing loss, severe hearing loss and total hearing loss (WHO classification).
Predictors of hearing threshold levels and distortion product otoacoustic emissions among noise exposed young adults.
Pure tone audiometry is the key hearing test used to identify hearing threshold levels of an individual, enabling determination of the degree, type and configuration of a hearing loss.
Preferred test conditions for the determination of reference hearing threshold levels.
There was a significant difference in hearing threshold levels at these frequencies.
After audiometric testing, hearing threshold levels were averaged for the speech frequencies of 1, 2, & 3KHz.
From the audiogram, the mean Hearing Threshold Levels (HTL) of both ears based on different age groups and different service groups were calculated and compared with that of controls.