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
Specifies 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. Identical with and reproduced from ISO 389-1:2017.
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AS/NZS ISO 389.1:2019 Reference zero for the calibration of audiometric equipment Reference equivalent threshold sound pressure levels for pure tones and supra-aural earphones
Preface
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Specifications
4.1 General
4.2 Generic supra-aural earphones in conjunction with an IEC 60318-1 ear simulator
4.3 Model-specific earphones in conjunction with an IEC 60318‑1 ear simulator
4.4 Model-specific earphones in conjunction with an IEC 60318-3 acoustic coupler
Annex A (informative) Application of the RETSPLs
Annex B (informative) Notes on the derivation of the RETSPLs
Bibliography
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AS/NZS ISO 389.1:2019 Reference zero for the calibration of audiometric equipment Reference equivalent threshold sound pressure levels for pure tones and supra-aural earphones
Preface
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Specifications
4.1 General
4.2 Generic supra-aural earphones in conjunction with an IEC 60318-1 ear simulator
4.3 Model-specific earphones in conjunction with an IEC 60318‑1 ear simulator
4.4 Model-specific earphones in conjunction with an IEC 60318-3 acoustic coupler
Annex A (informative) Application of the RETSPLs
Annex B (informative) Notes on the derivation of the RETSPLs
Bibliography
AS/NZS ISO 389.1:2019
Online Library subscription information
Online library subscriptions provide a cost-effective solution for organisations of any size to access the latest standards, offering 24/7 access to a personalised catalogue. The service ensures subscribers have have the most up-to-date version of selected standards, incluing automatic updates for any amendments or versions. Pricing is dependent on the chosen standards and the number of concurrent users, with discounts applied from the standards PDF price. For customised subscriptions or further inquiries, contact the Online Library team.