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CEN
EN ISO 8253-2:2009

EN ISO 8253-2:2009

Current

Current

The latest, up-to-date edition.

Acoustics - Audiometric test methods - Part 2: Sound field audiometry with pure-tone and narrow-band test signals (ISO 8253-2:2009)

Published date

12-15-2009

Publisher

Comite Europeen de Normalisation

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Test signal characteristics
5 Sound field characteristics
6 Ambient noise levels in the test room
7 Preparation and instruction of test subject
8 Determination of hearing threshold level
9 Testing with a hearing aid
10 Screening audiometry
11 Reporting of data
12 Maintenance and calibration of equipment
Annex A (informative) - Graphical display of results
Annex B (informative) - Correction values for 45 degree
        and 90 degree angles of incidence
Bibliography

ISO 8253-2:2009 specifies relevant test signal characteristics, requirements for free, diffuse, and quasi‑free sound fields, and procedures for sound field audiometry using pure tones, frequency-modulated tones or other narrow-band test signals presented by means of one or more loudspeakers. The primary purpose is the determination of hearing threshold levels in the frequency range 125 Hz to 8 000 Hz, but this range can be extended to 20 Hz to 16 000 Hz.ISO 8253-2:2009 does not include specifications for the use of hand-held loudspeakers. Speech as a test signal is not covered.The purpose of ISO 8253-2:2009 is to ensure that tests of hearing, using sound field audiometry, give as high a degree of accuracy and reproducibility as possible.Examples of graphical representations of the results are given.

Committee
CEN/TC 211
DocumentType
Standard
PublisherName
Comite Europeen de Normalisation
Status
Current

09/30198066 DC : 0 BS EN 15927 - SERVICES OFFERED BY HEARING AID PROFESSIONALS
NF EN 15927 : 2010 SERVICES OFFERED BY HEARING AID PROFESSIONALS
I.S. EN 15927:2010 SERVICES OFFERED BY HEARING AID PROFESSIONALS
EN 61669:2016 Electroacoustics - Measurement of real-ear acoustical performance characteristics of hearing aids
UNI EN 15927 : 2010 SERVICES OFFERED BY HEARING AID PROFESSIONALS
EN 15927:2010 Services offered by hearing aid professionals
UNE-EN 15927:2011 Services offered by hearing aid professionals
BS EN 15927:2010 Services offered by hearing aid professionals
CEI EN 60645-1 : 2016 ELECTROACOUSTICS - AUDIOMETRIC EQUIPMENT - PART 1: EQUIPMENT FOR PURE-TONE AUDIOMETRY
I.S. EN 60645-1:2017 ELECTROACOUSTICS - AUDIOMETRIC EQUIPMENT - PART 1: EQUIPMENT FOR PURE-TONE AND SPEECH AUDIOMETRY
BS EN 60645-1:2017 Electroacoustics. Audiometric equipment Equipment for pure-tone and speech audiometry
UNE-EN 60645-1:2015 Electroacoustics - Audiometric equipment - Part 1: Equipment for pure-tone audiometry
I.S. EN 61669:2016 ELECTROACOUSTICS - MEASUREMENT OF REAL-EAR ACOUSTICAL PERFORMANCE CHARACTERISTICS OF HEARING AIDS
EN 60645-1:2017 Electroacoustics - Audiometric equipment - Part 1: Equipment for pure-tone and speech audiometry

IEC 60581-7:1986 High fidelity audio equipment and systems: Minimum performancerequirements. Part 7: Loudspeakers
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 266:1997 Acoustics — Preferred frequencies
IEC 60645-1:2017 Electroacoustics - Audiometric equipment - Part 1: Equipment for pure-tone and speech audiometry
ISO 8253-1:2010 Acoustics Audiometric test methods Part 1: Pure-tone air and bone conduction audiometry
ISO 226:2003 Acoustics — Normal equal-loudness-level contours

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