UNI ISO 28961 : 2012
Current
The latest, up-to-date edition.
ACOUSTICS - STATISTICAL DISTRIBUTION OF HEARING THRESHOLDS OF OTOLOGICALLY NORMAL PERSONS IN THE AGE RANGE FROM 18 YEARS TO 25 YEARS UNDER FREE-FIELD LISTENING CONDITIONS
12-07-2012
Foreword
Introduction
1 Scope
2 Normative references
3 Calculation of percentiles of hearing threshold
distribution
Annex A (informative) - Numerical examples to illustrate
the procedure
Annex B (informative) - Selected values of the
statistical distribution of hearing thresholds
of otologically normal persons in the age range
18 years to 25 years inclusive
Annex C (informative) - Selected values of z[x]
Annex D (informative) - Notes on the derivation
of the statistical distribution of the
normal hearing thresholds
Bibliography
This Standard provides descriptive statistics, percentiles, of the hearing threshold distribution whose mean is the reference threshold value specified in ISO 226 and ISO 389-7.
| Committee |
ACUSTICA
|
| DocumentType |
Standard
|
| PublisherName |
Ente Nazionale Italiano di Unificazione (UNI)
|
| Status |
Current
|
| Standards | Relationship |
| ISO 28961:2012 | Identical |
| 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 |
| ISO 226:2003 | Acoustics — Normal equal-loudness-level contours |
| ISO 7779:2010 | Acoustics Measurement of airborne noise emitted by information technology and telecommunications equipment |
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