ISO 389-3:1994
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ISO 389-3:1994
22495

Abstract 

Specifies the following data applicable to the calibration of bone vibrators for pure-tone bone-conduction audiometry: reference equivalent threshold force levels (RETFL), corresponding to the threshold of hearing of young otologically normal persons by bone-conduction audiometry; essential characteristics of the bone vibrator and of its method of coupling to a person under test and to the mechanical coupler; essential characteristics and datum level of the masking noise applied to the ear not under test.


General information 

  •  :  Withdrawn
     : 1994-09
  •  : 1
     : 10
  •  : ISO/TC 43 Acoustics
  •  :
    13.140 Noise with respect to human beings

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