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AS/NZS ISO 389.3:2019 [ Current ]

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

standard by Standards Australia / Standards New Zealand , 02/25/2019

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Full Description

The objective of this Standard is to specify the following data applicable to the calibration of bone vibrators for pure-tone bone-conduction audiometry: (a) reference equivalent threshold vibratory force levels (RETVFL), corresponding to the threshold of hearing of young otologically normal persons by bone-conduction audiometry; (b) essential characteristics of the bone vibrator and the method of coupling to the test subject, and to the mechanical coupler; and (c) essential characteristics of the masking noise and the baseline masking noise level applied to the ear not under test.

Product Details

Edition:: 1st
Published:: 02/25/2019
ISBN(s):: 9781760723743
Number of Pages:: 13
File Size:: 1 file , 510 KB
Product Code(s):: 10087002, 10087053, 10087073
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