I.S. EN ISO 8253-2:2009
Current
The latest, up-to-date edition.
ACOUSTICS - AUDIOMETRIC TEST METHODS - PART 2: SOUND FILED AUDIOMETRY WITH PURE-TONE AND NARROW-BAND TEST SIGNALS
Hardcopy , PDF
English
01-01-2009
For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
Only cited Standards give presumption of conformance to New Approach Directives/Regulations.
Dates of withdrawal of national standards are available from NSAI.
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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
Describes 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.
| DocumentType |
Standard
|
| Pages |
30
|
| PublisherName |
National Standards Authority of Ireland
|
| Status |
Current
|
| Supersedes |
| Standards | Relationship |
| NS EN ISO 8253-2 : 2009 | Identical |
| BS EN ISO 8253-2:2009 | Identical |
| NEN EN ISO 8253-2 : 2010 | Identical |
| NBN EN ISO 8253-2 : 2010 | Identical |
| UNE-EN ISO 8253-2:2010 | Identical |
| ISO 8253-2:2009 | Identical |
| EN ISO 8253-2:2009 | Identical |
| UNI EN ISO 8253-2 : 2010 | Identical |
| NF EN ISO 8253-2 : 2010 | Identical |
| 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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