11.26  hearing level; hearing threshold level. For a specified signal, amount in decibels by which the hearing threshold for a listener, for either one or two ears, exceeds a specified reference equivalent threshold level. Unit, decibel (dB).

Annotation              Use of the term “hearing loss” instead of hearing level is deprecated. The term “hearing loss” refers to the physiological cause of the change in hearing level, e.g., conductive hearing loss or sensorineural hearing loss.

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