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IEC 60645-1:2017

Current
Current

The latest, up-to-date edition.

Electroacoustics - Audiometric equipment - Part 1: Equipment for pure-tone and speech audiometry
Available format(s)

Hardcopy , PDF , PDF 3 Users , PDF 5 Users , PDF 9 Users

Language(s)

English - French

Published date

03-14-2017

FOREWORD
INTRODUCTION
1 Scope
2 Normative references
3 Terms and definitions
4 Requirements by type and class of audiometer
5 General requirements
6 Test signals
7 Transducers
8 Signal level control
9 Reference tone
10 Calibration
11 Electrical output of test signals
12 Audiogram format
13 Test requirements to demonstrate conformity
14 Maximum permitted expanded uncertainty of
   measurements U[max]
15 Marking and instruction manual
Annex A (informative) - Relationship between
        tolerance interval, corresponding acceptance
        interval and the maximum permitted
        uncertainty of measurement
Bibliography

IEC 60645-1:2017 is also available as IEC 60645-1:2017 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.

IEC 60645-1:2017 specifies general requirements for audiometers designed for use in determining hearing threshold levels, relative to standard reference threshold levels established by means of psychoacoustic test methods, and those designed to perform psychoacoustic tests using speech material.
The object of this standard is to ensure:
a) that tests of hearing in the frequency range 125 Hz to 16 kHz on a given human ear, performed with different pure-tone audiometers which comply with this standard, give substantially the same results;
b) that the results obtained represent a valid comparison between the hearing of the ear tested and the reference threshold of hearing;
c) that a means of presenting speech material to a subject in a standardized manner is provided. This will ensure that tests of hearing using a specific speech signal and a specific manner of signal presentation, when performed with different audiometers which comply with this standard, give substantially the same results;
d) that audiometers are classified according to the range of test signals they present, according to the mode of operation or according to their presumed primary application.
This fourth edition cancels and replaces the third edition, published in 2012, and the first edition IEC 60645-2, published in 1993. This edition constitutes a technical revision.
This edition now includes the requirements for both pure-tone (prior edition of IEC 60645-1) and speech audiometers (prior edition of IEC 60645-2) into a single document. The technical requirements in this edition remain similar to the intent of the prior two documents, but now eliminate technical and editorial contradictions caused by two separate standards with different review cycles applying to an audiometer.

Committee
TC 29
DevelopmentNote
Supersedes IEC 60177, IEC 60178, IEC 60645 (03/2001) Supersedes IEC 60645-4. (02/2012) Supersedes IEC 60645-2. Stability Date: 2019. (03/2017)
DocumentType
Standard
Pages
86
PublisherName
International Electrotechnical Committee
Status
Current
Supersedes

CSA C22.2 No. 60601-2-66 : 2015 MEDICAL ELECTRICAL EQUIPMENT - PART 2-66: PARTICULAR REQUIREMENTS FOR THE BASIC SAFETY AND ESSENTIAL PERFORMANCE OF HEARING INSTRUMENTS AND HEARING INSTRUMENT SYSTEMS
04/30065335 DC : DRAFT JAN 2004 BS ISO 16832 - ACOUSTICS - LOUDNESS SCALING BY MEANS OF CATEGORIES
08/30189820 DC : DRAFT SEP 2008 BS EN ISO 8253-1 - ACOUSTICS - AUDIOMETRIC TEST METHODS - PART 1: BASIC PURE-TONE AIR AND BONE CONDUCTION THRESHOLD AUDIOMETRY
05/30128617 DC : DRAFT FEB 2005 IEC 60318-6 ED.1 - ELECTROACOUSTICS - SIMULATORS OF HUMAN HEAD AND EAR - PART 6: MECHANICAL COUPLER FOR THE MEASUREMENTS ON BONE VIBRATORS
UNE-EN 60645-6:2010 Electroacoustics - Audiometric equipment -- Part 6: Instruments for the measurement of otoacoustic emissions
BS EN ISO 389-9:2009 Acoustics. Reference zero for the calibration of audiometric equipment Preferred test conditions for the determination of reference hearing threshold levels
CEI EN 60318-6 : 2014 ELECTROACOUSTICS - SIMULATORS OF HUMAN HEAD AND EAR - PART 6: MECHANICAL COUPLER FOR THE MEASUREMENTS ON BONE VIBRATORS
I.S. EN 60645-7:2010 ELECTROACOUSTICS - AUDIOMETRIC EQUIPMENT - PART 7: INSTRUMENTS FOR THE MEASUREMENT OF AUDITORY BRAINSTEM RESPONSES
I.S. EN 60601-2-66:2015 MEDICAL ELECTRICAL EQUIPMENT - PART-2-66: PARTICULAR REQUIREMENTS FOR THE BASIC SAFETY AND ESSENTIAL PERFORMANCE OF HEARING INSTRUMENTS AND HEARING INSTRUMENT SYSTEMS
EN ISO 389-7:2005/A1:2016 ACOUSTICS - REFERENCE ZERO FOR THE CALIBRATION OF AUDIOMETRIC EQUIPMENT - PART 7: REFERENCE THRESHOLD OF HEARING UNDER FREE-FIELD AND DIFFUSE-FIELD LISTENING CONDITIONS (ISO 389-7:2005)
BS EN ISO 8253-3:2012 Acoustics. Audiometric test methods Speech audiometry
BS EN ISO 8253-1:2010 Acoustics. Audiometric test methods Pure-tone air and bone conduction audiometry
EN 60645-2:1997 Audiometers - Part 2: Equipment for speech audiometry
EN 60645-7:2010 Electroacoustics - Audiometric equipment - Part 7: Instruments for the measurement of auditory brainstem responses
NF EN 60645-3 : 2007 ELECTROACOUSTICS - AUDIOMETRIC EQUIPMENT - PART 3: TEST SIGNALS OF SHORT DURATION
EN 61027 : 1993 SPECIFICATION FOR INSTRUMENTS FOR THE MEASUREMENT OF AURAL ACOUSTIC IMPEDANCE/ADMITTANCE
EN 60645-5:2005 Electroacoustics - Audiometric equipment - Part 5: Instruments for the measurement of aural acoustic impedance/admittance
BS EN 60318-6:2008 Electroacoustics. Simulators of human head and ear Mechanical coupler for the measurement of bone vibrators
10/30213857 DC : 0 BS ISO 8253-3 - ACOUSTICS - AUDIOMETRIC TEST METHODS - PART 3: SPEECH AUDIOMETRY
04/30095174 DC : DRAFT JUN 2004 ISO 389-7 - ACOUSTICS - REFERENCE ZERO FOR THE CALIBRATION OF AUDIOMETRIC EQUIPMENT - PART 7: REFERENCE THRESHOLD OF HEARING UNDER FREE-FIELD AND DIFFUSE-FIELD LISTENING CONDITIONS
BS EN 60645-6:2010 Electroacoustics. Audiometric equipment Instruments for the measurement of otoacoustic emissions
15/30297064 DC : DRAFT MAY 2015 BS ISO 7029 - ACOUSTICS - STATISTICAL DISTRIBUTION OF HEARING THRESHOLDS RELATED TO AGE AND GENDER
10/30240267 DC : 0 BS EN 60601-2-66 ED.1 - ELECTROACOUSTICS - PART 2-66: HEARING INSTRUMENTS AND HEARING SYSTEMS - GENERAL REQUIREMENTS FOR BASIC SAFETY AND ESSENTIAL PERFORMANCE
14/30315340 DC : 0 BS EN 60601-2-66 ED.2 - MEDICAL ELECTRICAL EQUIPMENT - PART 2-66: PARTICULAR REQUIREMENTS FOR THE BASIC SAFETY AND ESSENTIAL PERFORMANCE OF HEARING INSTRUMENTS AND HEARING INSTRUMENT SYSTEMS
UNE-EN 60601-2-66:2016 Medical electrical equipment - Part 2-66: Particular requirements for the basic safety and essential performance of hearing instruments and hearing instrument systems
15/30297373 DC : 0 BS EN ISO 4869-1 - ACOUSTICS - HEARING PROTECTORS - PART 1: SUBJECTIVE METHOD FOR THE ASUREMENT OF SOUND ATTENUATION
BS EN 60601-2-66:2015 Medical electrical equipment Particular requirements for the basic safety and essential performance of hearing instruments and hearing instrument systems
OIML R 122 ANNEX C : 1999 EQUIPMENT FOR SPEECH AUDIOMETRY - ANNEX C: TEST REPORT FORMAT
UNE-EN 60645-7:2010 Electroacoustics - Audiometric equipment -- Part 7: Instruments for the measurement of auditory brainstem responses
I.S. EN 60645-6:2010 ELECTROACOUSTICS - AUDIOMETRIC EQUIPMENT - PART 6: INSTRUMENTS FOR THE MEASUREMENT OF OTOACOUSTIC EMISSIONS
ISO/TS 4869-5:2006 Acoustics — Hearing protectors — Part 5: Method for estimation of noise reduction using fitting by inexperienced test subjects
UNI EN ISO 389-9 : 2009 ACOUSTICS - REFERENCE ZERO FOR THE CALIBRATION OF AUDIOMETRIC EQUIPMENT - PART 9: PREFERRED TEST CONDITIONS FOR THE DETERMINATION OF REFERENCE HEARING THRESHOLD LEVELS
DIN EN ISO 389-7 E : 1998 ACOUSTICS - REFERENCE ZERO FOR THE CALIBRATION OF AUDIOMETRIC EQUIPMENT - PART 7: REFERENCE THRESHOLD OF HEARING UNDER FREE-FIELD AND DIFFUSE-FIELD LISTENING CONDITIONS
DIN EN ISO 8253-3 E : 2012 ACOUSTICS - AUDIOMETRIC TEST METHODS - PART 3: SPEECH AUDIOMETRY (ISO 8253-3:2012)
IEC 60645-2:1993 Audiometers - Part 2: Equipment for speech audiometry
DIN EN ISO 8253-3:2012-08 Acoustics - Audiometric test methods - Part 3: Speech audiometry (ISO 8253-3:2012)
I.S. EN ISO 8253-3:2012 ACOUSTICS - AUDIOMETRIC TEST METHODS - PART 3: SPEECH AUDIOMETRY (ISO 8253-3:2012)
I.S. EN ISO 8253-2:2009 ACOUSTICS - AUDIOMETRIC TEST METHODS - PART 2: SOUND FILED AUDIOMETRY WITH PURE-TONE AND NARROW-BAND TEST SIGNALS
I.S. EN ISO 8253-1:2010 ACOUSTICS - AUDIOMETRIC TEST METHODS - PART 1: PURE-TONE AIR AND BONE CONDUCTION AUDIOMETRY
I.S. EN ISO 7029:2017 ACOUSTICS - STATISTICAL DISTRIBUTION OF HEARING THRESHOLDS RELATED TO AGE AND GENDER (ISO 7029:2017)
EN 60645-3:2007 Electroacoustics - Audiometric equipment - Part 3: Test signals of short duration
ISO 16832:2006 Acoustics Loudness scaling by means of categories
DIN EN ISO 389-9:2009-12 Acoustics - Reference zero for the calibration of audiometric equipment - Part 9: Preferred test conditions for the determination of reference hearing threshold levels (ISO 389-9:2009)
BS EN 60645-4:1995 Audiometers Equipment for extended high-frequency audiometry
I.S. EN ISO 389-4:1999 ACOUSTICS - REFERENCE ZERO FOR THE CALIBRATION OF AUDIOMETRIC EQUIPMENT - PART 4: REFERENCE LEVELS FOR NARROW-BAND MASKING NOISE
BS EN 60645-2:1997 Audiometers Equipment for speech audiometry
NF EN 60645-7 : 2010 ELECTROACOUSTICS - AUDIOMETRIC EQUIPMENT - PART 7: INSTRUMENTS FOR THE MEASUREMENT OF AUDITORY BRAINSTEM RESPONSES
07/30173580 DC : 0 BS EN 60645-6 - ELECTROACOUSTICS - AUDIOMETRIC EQUIPMENT - PART 6: INSTRUMENTS FOR THE MEASUREMENT OF OTOACOUSTIC EMISSIONS
ANSI S3.6 : 2010 SPECIFICATION FOR AUDIOMETERS
BS ISO 16832:2006 Acoustics. Loudness scaling by means of categories
07/30173584 DC : 0 BS EN 60645-7 - ELECTROACOUSTICS - AUDIOMETRIC EQUIPMENT - PART 7: INSTRUMENTS FOR THE MEASUREMENT OF AUDITORY EVOKED POTENTIALS
I.S. EN 60645-5:2005 ELECTROACOUSTICS - AUDIOMETRIC EQUIPMENT - PART 5: INSTRUMENTS FOR THE MEASUREMENT OF AURAL ACOUSTIC IMPEDANCE/ADMITTANCE
IEC 60645-6:2009 Electroacoustics - Audiometric equipment - Part 6: Instruments for the measurement of otoacoustic emissions
IEC 60645-7:2009 Electroacoustics - Audiometric equipment - Part 7: Instruments for the measurement of auditory brainstem responses
ISO 8253-2:2009 Acoustics Audiometric test methods Part 2: Sound field audiometry with pure-tone and narrow-band test signals
UNE-EN ISO 8253-2:2010 Acoustics - Audiometric test methods - Part 2: Sound field audiometry with pure-tone and narrow-band test signals (ISO 8253-2:2009)
IEC 60645-4:1994 Audiometers - Part 4: Equipment for extended high-frequency audiometry
ISO 389-4:1994 Acoustics Reference zero for the calibration of audiometric equipment Part 4: Reference levels for narrow-band masking noise
UNE-EN ISO 8253-1:2011 Acoustics - Audiometric test methods - Part 1: Pure-tone air and bone conduction audiometry (ISO 8253-1:2010)
IEC 60601-2-66:2015 Medical electrical equipment - Part 2-66: Particular requirements for the basic safety and essential performance of hearing instruments and hearing instrument systems
IEC 60645-5:2004 Electroacoustics - Audiometric equipment - Part 5: Instruments for the measurement of aural acoustic impedance/admittance
BS EN ISO 8253-2:2009 Acoustics. Audiometric test methods Sound field audiometry with pure-tone and narrow-band test signals
EN ISO 8253-1:2010 Acoustics - Audiometric test methods - Part 1: Pure-tone air and bone conduction audiometry (ISO 8253-1:2010)
UNI EN ISO 8253-2 : 2010 ACOUSTICS - AUDIOMETRIC TEST METHODS - PART 2: SOUND FIELD AUDIOMETRY WITH PURE-TONE AND NARROW-BAND TEST SIGNALS
UNI EN ISO 8253-1 : 2010 ACOUSTICS - AUDIOMETRIC TEST METHODS - PART 1: PURE-TONE AIR AND BONE CONDUCTION AUDIOMETRY
CEI EN 60645-3 : 2008 ELECTROACOUSTICS - AUDIOMETRIC EQUIPMENT - PART 3: TEST SIGNALS OF SHORT DURATION
BS 7636(1993) : 1993 AMD 10028 ACOUSTICS - AUDIOMETRIC TEST METHODS - SOUND FIELD AUDIOMETRY WITH PURE TONE AND NARROW-BAND TEST SIGNALS
BS ISO TR 389-5 : 1998 AMD 12019 ACOUSTICS - REFERENCE ZERO FOR THE CALIBRATION OF AUDIOMETRIC EQUIPMENT - REFERENCE EQUIVALENT THRESHOLD SOUND PRESSURE LEVELS FOR PURE TONES IN THE FREQUENCY RANGE 9 KHZ TO 16 KHZ
NF EN 60645-6 : 2010 ELECTROACOUSTICS - AUDIOMETRIC EQUIPMENT - PART 6: INSTRUMENTS FOR THE MEASUREMENT OF OTOACOUSTIC EMISSIONS
07/30166205 DC : 0 BS ISO 389-9 - ACOUSTICS - REFERENCE ZERO FOR THE CALIBRATION OF AUDIOMETRIC EQUIPMENT - PART 9: PREFERRED TEST CONDITIONS FOR THE DETERMINATION OF REFERENCE HEARING THRESHOLD LEVELS
BS EN 60645-5:2005 Electroacoustics. Audiometric equipment Instruments for the measurement of aural acoustic impedance/admittance
BS EN 60645-3:2007 Electroacoustics. Audiometric equipment Test signals of short duration
DD ISO/TS 4869-5:2006 Acoustics. Hearing protectors Method for estimation of noise reduction using fitting by inexperienced test subjects
I.S. EN ISO 389-9:2009 ACOUSTICS - REFERENCE ZERO FOR THE CALIBRATION OF AUDIOMETRIC EQUIPMENT - PART 9: PREFERRED TEST CONDITIONS FOR THE DETERMINATION OF REFERENCE HEARING THRESHOLD LEVELS
BS EN ISO 389-7 : 2005 ACOUSTICS - REFERENCE ZERO FOR THE CALIBRATION OF AUDIOMETRIC EQUIPMENT - PART 7: REFERENCE THRESHOLD OF HEARING UNDER FREE-FIELD AND DIFFUSE-FIELD LISTENING CONDITIONS (ISO 389-7:2005)
I.S. EN 60645-3:2007 ELECTROACOUSTICS - AUDIOMETRIC EQUIPMENT - PART 3: TEST SIGNALS OF SHORT DURATION
ISO 389-9:2009 Acoustics Reference zero for the calibration of audiometric equipment Part 9: Preferred test conditions for the determination of reference hearing threshold levels
ISO 7029:2017 Acoustics — Statistical distribution of hearing thresholds related to age and gender
BS EN ISO 7029:2017 Acoustics. Statistical distribution of hearing thresholds related to age and gender
ISO/TR 389-5:1998 Acoustics Reference zero for the calibration of audiometric equipment Part 5: Reference equivalent threshold sound pressure levels for pure tones in the frequency range 8 kHz to 16 kHz
ISO 8253-1:2010 Acoustics Audiometric test methods Part 1: Pure-tone air and bone conduction audiometry
IEC 60645-3:2007 Electroacoustics - Audiometric equipment - Part 3: Test signals of short duration
BS EN ISO 389-4:1999 Acoustics. Reference zero for the calibration of audiometric equipment Reference levels for narrow-band masking noise
ISO 8253-3:2012 Acoustics Audiometric test methods Part 3: Speech audiometry
UNE-EN ISO 7029:2017 Acoustics - Statistical distribution of hearing thresholds related to age and gender (ISO 7029:2017)
IEC 61027:1991 Instruments for the measurement of aural acoustic impedance/admittance
EN 60318-6:2008 Electroacoustics - Simulators of human head and ear - Part 6: Mechanical coupler for the measurement of bone vibrators
EN ISO 8253-2:2009 Acoustics - Audiometric test methods - Part 2: Sound field audiometry with pure-tone and narrow-band test signals (ISO 8253-2:2009)
EN ISO 7029:2017 Acoustics - Statistical distribution of hearing thresholds related to age and gender (ISO 7029:2017)
EN ISO 389-9:2009 Acoustics - Reference zero for the calibration of audiometric equipment - Part 9: Preferred test conditions for the determination of reference hearing threshold levels (ISO 389-9:2009)
EN ISO 389-4 : 1998 ACOUSTICS - REFERENCE ZERO FOR THE CALIBRATION OF AUDIOMETRIC EQUIPMENT - PART 4: REFERENCE LEVELS FOR NARROW-BAND MASKING NOISE
UNI EN ISO 8253-3 : 2012 ACOUSTICS - AUDIOMETRIC TEST METHODS - PART 3: SPEECH AUDIOMETRY
14/30279048 DC : DRAFT OCT 2014 BS EN ISO 389-3 - ACOUSTICS - REFERENCE ZERO FOR THE CALIBRATION OF AUDIOMETRIC EQUIPMENT - PART 3: REFERENCE EQUIVALENT THRESHOLD FORCE LEVELS FOR PURE TONES AND BONE VIBRATORS
IEC 60318-6:2007 Electroacoustics - Simulators of human head and ear - Part 6: Mechanical coupler for the measurement on bone vibrators
BS EN 60645-7:2010 Electroacoustics. Audiometric equipment Instruments for the measurement of auditory brainstem responses
BS EN 61027:1993 Specification for instruments for the measurement of aural acoustic impedance/admittance
04/30117001 DC : DRAFT JUL 2004 IEC 60645-3. ED.2.0 - AUDIOMETERS - PART 3: AUDITORY TEST SIGNALS OF SHORT DURATION FOR AUDIOMETRIC AND NEURO-OTOLOGICAL PURPOSES
10/30217127 DC : 0 BS EN 60645-2 ED 2 - AUDIOMETRIC EQUIPMENT - PART 2: EQUIPMENT FOR SPEECH AUDIOMETRY
CEI EN 60645-7 : 2013 ELECTROACOUSTICS - AUDIOMETRIC EQUIPMENT - PART 7: INSTRUMENTS FOR THE MEASUREMENT OF AUDITORY BRAINSTEM RESPONSE
CEI EN 60645-2 : 1997 AUDIOMETERS - PART 2: EQUIPMENT FOR SPEECH AUDIOMETRY
I.S. EN 60645-2:1999 AUDIOMETERS - PART 2: EQUIPMENT FOR SPEECH AUDIOMETRY
I.S. EN ISO 389-7:2005 ACOUSTICS - REFERENCE ZERO FOR THE CALIBRATION OF AUDIOMETRIC EQUIPMENT - PART 7: REFERENCE THRESHOLD OF HEARING UNDER FREE-FIELD AND DIFFUSE-FIELD LISTENING CONDITIONS
I.S. EN 60318-6:2008 ELECTROACOUSTICS - SIMULATORS OF HUMAN HEAD AND EAR - PART 6: MECHANICAL COUPLER FOR THE MEASUREMENT OF BONE VIBRATORS
EN 60601-2-66:2015 Medical electrical equipment - Part 2-66: Particular requirements for the basic safety and essential performance of hearing instruments and hearing instrument systems
ISO 389-7:2005 Acoustics Reference zero for the calibration of audiometric equipment Part 7: Reference threshold of hearing under free-field and diffuse-field listening conditions
EN ISO 8253-3:2012 Acoustics - Audiometric test methods - Part 3: Speech audiometry (ISO 8253-3:2012)
EN 60645-4:1995 Audiometers - Part 4: Equipment for extended high-frequency audiometry
DIN EN ISO 389-7:1998-12 ACOUSTICS - REFERENCE ZERO FOR THE CALIBRATION OF AUDIOMETRIC EQUIPMENT - PART 7: REFERENCE THRESHOLD OF HEARING UNDER FREE-FIELD AND DIFFUSE-FIELD LISTENING CONDITIONS
EN 60645-6:2010 Electroacoustics - Audiometric equipment - Part 6: Instruments for the measurement of otoacoustic emissions

IEC 60318-4:2010 Electroacoustics - Simulators of human head and ear - Part 4: Occluded-ear simulator for the measurement of earphones coupled to the ear by means of ear inserts
AS/NZS ISO 8253.2:2019 Acoustics - Audiometric test methods Sound field audiometry with pure-tone and narrow-band test signals
IEC 60268-3:2013 Sound system equipment - Part 3: Amplifiers
IEC 60318-6:2007 Electroacoustics - Simulators of human head and ear - Part 6: Mechanical coupler for the measurement on bone vibrators
ISO 389-4:1994 Acoustics Reference zero for the calibration of audiometric equipment Part 4: Reference levels for narrow-band masking noise
ISO 389-7:2005 Acoustics Reference zero for the calibration of audiometric equipment Part 7: Reference threshold of hearing under free-field and diffuse-field listening conditions
IEC 60318-3:2014 Electroacoustics - Simulators of human head and ear - Part 3: Acoustic coupler for the calibration of supra-aural earphones used in audiometry
IEC 60601-1:2005+AMD1:2012 CSV Medical electrical equipment - Part 1: General requirements for basic safety and essential performance
ISO 266:1997 Acoustics — Preferred frequencies
ISO 8253-3:2012 Acoustics Audiometric test methods Part 3: Speech audiometry
ISO 389-9:2009 Acoustics Reference zero for the calibration of audiometric equipment Part 9: Preferred test conditions for the determination of reference hearing threshold levels
ISO 4869-1:1990 Acoustics Hearing protectors Part 1: Subjective method for the measurement of sound attenuation
IEC 60268-7:2010 Sound system equipment - Part 7: Headphones and earphones
ISO 389-8:2004 Acoustics — Reference zero for the calibration of audiometric equipment — Part 8: Reference equivalent threshold sound pressure levels for pure tones and circumaural earphones
ISO 389-5:2006 Acoustics Reference zero for the calibration of audiometric equipment Part 5: Reference equivalent threshold sound pressure levels for pure tones in the frequency range 8 kHz to 16 kHz
IEC 60601-1-2:2014 Medical electrical equipment - Part 1-2: General requirements for basic safety and essential performance - Collateral Standard: Electromagnetic disturbances - Requirements and tests
AS/NZS ISO 8253.3:2019 Acoustics - Audiometric test methods Speech audiometry
IEC 60318-5:2006 Electroacoustics - Simulators of human head and ear - Part 5: 2 cm<sup>3</sup> coupler for the measurement of hearing aids and earphones coupled to the ear by means of ear inserts
ISO 389-1:1998 Acoustics Reference zero for the calibration of audiometric equipment Part 1: Reference equivalent threshold sound pressure levels for pure tones and supra-aural earphones
ISO 8253-1:2010 Acoustics Audiometric test methods Part 1: Pure-tone air and bone conduction audiometry
IEC 61260-1:2014 Electroacoustics - Octave-band and fractional-octave-band filters - Part 1: Specifications
ISO 389-5:2006(R2014) ACOUSTICS - REFERENCE ZERO FOR THE CALIBRATION OF AUDIOMETRIC EQUIPMENT - PART 5: REFERENCE EQUIVALENT THRESHOLD SOUND PRESSURE LEVELS FOR PURE TONES IN THE FREQUENCY RANGE 8 KHZ TO 16 KHZ
ISO 389-2:1994 Acoustics Reference zero for the calibration of audiometric equipment Part 2: Reference equivalent threshold sound pressure levels for pure tones and insert earphones
ISO 389-3:2016 Acoustics Reference zero for the calibration of audiometric equipment Part 3: Reference equivalent threshold vibratory force levels for pure tones and bone vibrators
IEC 60268-17:1990 Sound system equipment. Part 17: Standard volume indicators
AS/NZS ISO 8253.1:2019 Acoustics - Audiometric test methods Pure-tone air and bone conduction audiometry
IEC 60318-1:2009 Electroacoustics - Simulators of human head and ear - Part 1: Ear simulator for the measurement of supra-aural and circumaural earphones
ISO 8253-2:2009 Acoustics Audiometric test methods Part 2: Sound field audiometry with pure-tone and narrow-band test signals
AS ISO 7029:2019 Acoustics - Statistical distribution of hearing thresholds related to age and gender
ISO/IEC Guide 98-3:2008 Uncertainty of measurement — Part 3: Guide to the expression of uncertainty in measurement (GUM:1995)

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