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AS/NZS 1269.4:2005
[Available Superseded]Occupational noise management, Part 4: Auditory assessment
Sets out procedures and requirements for air conduction pure tone audiometry without masking that are applicable to individuals whose hearing sensitivity might be adversely affected by occupational noise exposure or ototoxic agents.
Published: 06/04/2005
Pages: 47
Table of contents
Cited references
Content history
Table of contents
Header
About this publication
Preface
Foreword
1 Scope
2 Application
3 Referenced documents
4 Definitions
5 Audiometers
5.1 General requirements
5.2 Specific requirements
5.2.1 Frequencies and sound pressure levels of test tones
5.2.2 Pulsing of test tones
5.2.3 Attenuation rate of automatic recording audiometers
5.3 Maintenance and calibration
5.3.1 General
5.3.2 Check procedures
5.3.2.1 General
5.3.2.2 Listening check
5.3.2.3 Subjective calibration check
5.3.3 Basic calibration
6 Acoustical environment for audiometry
6.1 General
6.2 Measurement of background noise level
6.3 Maximum acceptable background noise levels
7 Audiometry
7.1 General
7.2 Tester
7.3 Test subjects
7.4 Reference audiometry
7.5 Monitoring audiometry
7.6 Recording of results
7.6.1 General
7.6.2 Reference audiometry
7.6.3 Monitoring audiometry
8 Audiometric test procedures
8.1 General
8.2 Preparation for testing
8.3 Instruction of subject
8.4 Manual audiometry
8.5 Automatic recording audiometry
8.5.1 General
8.5.2 Familiarization
8.5.3 Hearing threshold level measurements
8.5.4 Determination of hearing threshold levels in automatic recording audiometry
8.6 Limitation of air-conduction threshold audiometry
8.7 Computer-controlled audiometry
9 Assessment of audiograms
9.1 General
9.2 Reference audiometry
9.3 Monitoring audiograms
9.4 Action to be taken when threshold shift detected or new tinnitus reported
9.5 Updating of reference audiograms
9.6 Audiometric data base analysis
10 Evoked otoacoustic emissions
11 Checklists
Appendix A
A1 General
A2 Further reading
Appendix B
B1 General
B2 Tester
B3 Frequency of evaluations
B4 Instrumentation
B5 Measurement procedure
B5.1 General
B5.2 Measurement of background noise level
B5.2.1 Background noise level in a test environment without an audiometric booth
B5.2.2 Background noise level in an audiometric booth
B5.2.3 Microphone position
B6 Assessment procedure
B6.1 Acceptability of audiometric test environments for various earphone combinations
B7 Reporting requirements
Appendix C
C1 General
C2 Test signal
C3 Tester and instrumentation
C4 Measurement procedure
C4.1 General
C4.2 Measurement external to the booth
C4.3 Measurement inside the booth
C4.4 Determination of noise reduction
C5 Assessment procedure
C6 Reporting requirement
Appendix D
D1 General
D2 Further reading
Appendix E
Appendix F
Appendix G
G1 Hearing impairment
G2 Hearing disability
G3 Further reading
Appendix H
H1 Using early warning properties of click-evoked otoacoustic emissions for application to hearing loss prevention
H1.1 Summary
H1.2 Introduction
H1.3 Evoked otoacoustic emission methodology
H1.4 Method of collecting data
H1.5 Nature of the National Acoustic Laboratories’ (NAL) database
H1.6 Further Reading
H1.7 Early warning analysis of record data and comparison with Australian database
Amendment control sheet
AS/NZS 1269.4:2005
Amendment No. 1 (2005)
Correction
Cited references in this standard
NAL 80
NAL Report No. 80: Criteria for Assessing Hearing Conservation Audiograms.
[Obsolescent]
Acoustics — Determination of occupational noise exposure and estimation of noise-induced hearing impairment
Content history
[Current]
[Available Superseded]
[Superseded]
DR 04038
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