Audiometric test method |
ISO 8253-1 [1] |
Acoustics — Audiometric test methods |
• Pure-tone bone conduction audiometry methods (threshold determination, masking, automatic audiometry, screening) |
KSIISO8253-1 |
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Part 1: Pure-tone air and bone conduction audiometry |
• Maintenance and calibration methods |
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• Qualifications for examiners, environmental conditions (location of subject and examiner, temperature, permissible ambient noise range) |
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• Preparation and education of subjects, headphone/bone vibrator use |
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• Hearing measurement, uncertainty evaluation methods |
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ISO 8253-2 [10] |
Acoustics — Audiometric test methods |
• Methods for sound field audiometry |
KSIISO8253-2 |
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Part 2: Sound field audiometry with pure-tone and narrow-band test signals |
• Maintenance and calibration methods |
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• Explanation of signal sounds that can be used |
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• Examination environment (characteristics, settings, permissible ambient noise range), preparation and education of subjects, and reporting of results |
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ISO 8253-3 [11] |
Acoustics — Audiometric test methods |
• Methods for speech audiometry (threshold determination, masking, etc.) |
KSIISO8253-3 |
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Part 3: Speech audiometry |
• Maintenance and calibration methods |
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• Recording methods for speech data (recording equipment, standard recording, speech data, verification, documentation) |
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• Examination environment (settings, permissible ambient noise range), subject preparation and education |
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• Reporting of results, measurement uncertainty evaluation methods |
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Reference zero to the calibration of audiometric equipment |
ISO 389-1 [12] |
Acoustics — Reference zero for the calibration of audiometric equipment |
• Specifies the reference threshold level (RETSPL) for calibrating headphones |
KSIISO389-1 |
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Part 1: Reference equivalent threshold sound pressure levels for pure tones and supra-aural earphones |
• Types of headphones |
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• Method for fixing headphones to a simulated ear canal |
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* Simulated ear canal: an acoustic characteristic that simulates the average person’s ear acoustic characteristics and is generally used to calibrate headphones |
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ISO 389-2 [13] |
Acoustics — Reference zero for the calibration of audiometric equipment |
• Specifies the RETSPL for calibrating insert earphones (ER-3A) |
KSIISO389-2 |
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Part 2: Reference equivalent threshold sound pressure levels for pure tones and insert earphones |
• Method for connecting insert earphones to a coupler |
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ISO 389-3 [14] |
Acoustics — Reference zero for the calibration of audiometric equipment |
• Specifies the RETSPL for calibrating bone vibrators |
KSIISO389-3 |
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Part 3: Reference equivalent threshold vibratory force levels for pure tones and bone vibrators |
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ISO 389-4 [15] |
Acoustics — Reference zero for the calibration of audiometric equipment |
• Specifies the standard level for calibrating masking noise |
KSIISO389-4 |
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Part 4: Reference levels for narrow-band masking noise |
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ISO 389-5 [16] |
Acoustics — Reference zero for the calibration of audiometric equipment |
• Specifies the RETSPL for calibrating headphones or earphones |
KSIISO389-5 |
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Part 5: Reference equivalent threshold sound pressure levels for pure tones in the frequency range 8 kHz to 16 kHz |
• Types of headphones and earphones |
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ISO 389-6 [17] |
Acoustics — Reference zero for the calibration of audiometric equipment |
• Specifies the standard level for calibrating short signals such as click sounds |
N/A |
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Part 6: Reference threshold of hearing for test signals of short duration |
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ISO 389-7 [18] |
Acoustics — Reference zero for the calibration of audiometric equipment |
• Specifies the standard level for calibrating loudspeakers |
KSIISO389-7 |
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Part 7: Reference threshold of hearing under free-field and diffuse-field listening conditions |
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ISO 389-8 [19] |
Acoustics — Reference zero for the calibration of audiometric equipment |
• Specifies the reference threshold level (RETSPL) for calibrating circumaural earphones |
N/A |
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Part 8: Reference equivalent threshold sound pressure levels for pure tones and circumaural earphones |
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ISO 389-9 [20] |
Acoustics — Reference zero for the calibration of audiometric equipment |
• Specifies the preferred test condition including environmental and ambient condition for the determination of reference hearing threshold levels |
N/A |
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Part 9: Preferred test conditions for the determination of reference hearing threshold levels |
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Audiometric equipment |
IEC 60645-1 [21] |
Electroacoustics — Audiometric equipment |
• Requirements and specifications for each type of audiometer and verification criteria |
KSCIEC60645-1A |
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Part 1: Equipment for pure-tone and speech audiometry |
• Measured signals, transducers (headphones, bone vibrators, etc.), level adjustment, reference sound |
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• List of standards for calibration |
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• Audiogram format displayed on the equipment |
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IEC 60645-2 [22] (withdrawn and replaced by IEC 60645-1:2017) |
Audiometers — Part 2: Equipment for speech audiometry |
• Requirements and specifications for each type of audiometer |
KSCIEC60645-2A |
IEC 60645-3 [23] |
Electroacoustics — Audiometric equipment |
• Types and characteristics of short signals |
KSCIEC60645-3A |
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Part 3: Test signals of short duration |
• Calibration and measurement methods for short signals |
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IEC 60645-5 [24] |
Electroacoustics — Audiometric equipment |
• General specifications and verification criteria, items that manufacturers must specify |
KSCIEC60645-5A |
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Part 5: Instruments for the measurement of aural acoustic impedance/admittance |
• Calibration methods (cavity specifications, probe connection method, expanded uncertainty) |
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• Equipment usage and environmental conditions |
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• Audiogram format displayed on the equipment |
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IEC 60645-6 [25] |
Electroacoustics — Audiometric equipment |
• General specifications, essential functions, verification criteria, items that manufacturers must specify |
KSCIEC60645-6 |
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Part 6: Instruments for the measurement of otoacoustic emissions |
• Routine calibration methods, equipment usage and environmental conditions |
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IEC 60645-7 [26] |
Electroacoustics — Audiometric equipment |
• Auditory brainstem response (ABR) device types, general specifications, quality assurance system, verification criteria |
KSCIEC60645-7 |
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Part 7: Instruments for the measurement of auditory brainstem responses |
• Calibration parameters, environmental conditions |
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Simulators of human head and ear |
IEC 60318-1 [27] |
Electroacoustics — Simulators of human head and ear |
• Specifies the requirements of ear simulator having the overall acoustic impedance of the device approximates that of the normal human ear for calibrating supra-aural earphones |
KSCIEC60318-1 |
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Part 1: Ear simulators for the calibration of supra-aural earphones |
• Structure, headphone connection method |
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• Calibration method of its acoustical transfer impedance and its expanded uncertainty |
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IEC 60318-3 [28] |
Electroacoustics — Simulators of human head and ear |
• Specifies the acoustic coupler for the measurement of supra-aural audiometric earphones |
KSCIEC60318-3 |
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Part 3: Acoustic coupler for the calibration of supra-aural earphones used in audiometry |
• Structure, headphone connection method |
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IEC 60318-4 [29] |
Electroacoustics — Simulators of human head and ear |
• Specifies the simulated ear canal used as a coupler for calibrating ear insert earphones |
KSCIEC60318-4 |
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Part 4: Occluded-ear simulator for the measurement of earphones coupled to the ear by means of ear inserts |
• Structure, headphone connection method |
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IEC 60318-5 [30] |
Electroacoustics — Simulators of human head and ear |
• Specifies the 2 cm3 coupler used for calibrating insert earphones or verifying hearing aid output |
KSCIEC60318-5 |
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Part 5: 2 cm3 coupler for the measurement of hearing aids and earphones coupled to the ear by means of ear inserts |
• Structure, insert earphone or hearing aid connection method, and expanded uncertainty |
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IEC 60318-6 [31] |
Electroacoustics — Simulators of human head and ear |
• Specifies the artificial mastoid used as a coupler for calibrating bone vibrators |
KSCIEC60318-6 |
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Part 6: Mechanical coupler for the measurement of bone vibrators |
• Structure, bone vibrator connection method |
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• Calibration method of its mechanical impedance and its expanded uncertainty |
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IEC/TS 60318-7 [32] |
Electroacoustics — Simulators of human head and ear |
• Describes a head and torso simulator, or manikin, intended for the measurement of air-conduction hearing aids |
KSCIECTS60318-7 |
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Part 7: Head and torso simulator for the measurement of air-conduction hearing aids |
• Specifies the manikin in terms of both its geometrical dimensions and its acoustical properties |
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