AS/NZS ISO 389.1:2019
Acoustics — Reference zero for the calibration of audiometric equipment, Part 1: Reference equivalent threshold sound pressure levels for pure tones and supra-aural earphones

Standard No.

AS/NZS ISO 389.1:2019

Release Date

2019

Published By

Standard Association of Australia （SAA）

Latest

AS/NZS ISO 389.1:2019

Scope

The objective of this Standard is to specify a standard reference zero for the scale of hearing threshold level applicable to pure-tone air conduction audiometers, to promote agreement and uniformity in the expression of hearing threshold level measurements throughout the world.

AS/NZS ISO 389.1:2019 history

• 2019 AS/NZS ISO 389.1:2019 Acoustics — Reference zero for the calibration of audiometric equipment, Part 1: Reference equivalent threshold sound pressure levels for pure tones and supra-aural earphones