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)....
11.25 threshold of pain. For a given listener, the minimum sound pressure level of a specified sound which will stimulate the ear to a sensation of definite pain. Unit, decibel...
11.24 reference equivalent threshold level. At a specified frequency, for a specified type of transducer, for a specified type of coupler or artificial ear, the mean value of the equivalent threshold levels of an adequately large number of ears of...
11.23 equivalent threshold level. For monaural listening, at a specified frequency, for a specified type of transducer, and for a stated force of application of the transducer to the human head, the vibration level, or sound pressure level set up by that...
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