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ISO 389-3:1994

Acoustics — Reference zero for the calibration of audiometric equipment — Part 3: Reference equivalent threshold force levels for pure tones and bone vibrators

Standard Details

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

Status : WITHDRAWN
Standard Type: Main
Document No: ISO 389-3:1994
Document Year: 1994
Pages: 10
Edition: 1
  • ICS:
  • 13.140 Noise with respect to human beings

Life Cycle

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WITHDRAWN
ISO 389-3:1994
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