I.S. EN ISO 389-4:1999
Current
The latest, up-to-date edition.
ACOUSTICS - REFERENCE ZERO FOR THE CALIBRATION OF AUDIOMETRIC EQUIPMENT - PART 4: REFERENCE LEVELS FOR NARROW-BAND MASKING NOISE
Hardcopy , PDF
English
01-01-1999
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.
Important note : All end users must be registered with an Account prior to user licenses being assigned.
Foreword
Introduction
1 Scope
2 Normative references
3 Definitions
4 Specifications
Annex A (informative) Notes on the derivation of the reference
levels
Annex B (informative) Bibliography
Defines reference levels for narrow-band masking noise presented by air conduction from an earphone in pure-tone audiometry.
| DevelopmentNote |
Supersedes I.S. EN 28798. (04/2005)
|
| DocumentType |
Standard
|
| Pages |
18
|
| PublisherName |
National Standards Authority of Ireland
|
| Status |
Current
|
| Supersedes |
| Standards | Relationship |
| NBN EN ISO 389-4 : 1999 | Identical |
| NS EN ISO 389-4 : 1ED 1999 | Identical |
| BS EN ISO 389-4:1999 | Identical |
| NF EN ISO 389-4 : 1999 | Identical |
| NEN EN ISO 389-4 : 1999 | Identical |
| ISO 389-4:1994 | Identical |
| UNI EN ISO 389-4 : 1999 | Identical |
| SN EN ISO 389-4 : 1999 | Identical |
| UNE-EN ISO 389-4:1999 | Identical |
| EN ISO 389-4:1998 | Identical |
| DIN EN ISO 389-4:1999-07 | Identical |
| IEC 60645-1:2017 | Electroacoustics - Audiometric equipment - Part 1: Equipment for pure-tone and speech audiometry |
| ISO 389:1991 | Acoustics Standard reference zero for the calibration of pure-tone air conduction audiometers |
| IEC 60126:1973 | IEC reference coupler for the measurement of hearing aids using earphones coupled to the ear by means of ear inserts |
| IEC 60711:1981 | Occluded-ear simulator for the measurement of earphones coupled to the ear by ear inserts |
| EN ISO 389-2:1996 | Acoustics - Reference zero for the calibration of audiometric equipment - Part 2: Reference equivalent threshold sound pressure levels for pure tones and insert earphones (ISO 389-2:1994) |
| IEC 60318:1970 | An IEC artificial ear, of the wide band type, for the calibration of earphones used in audiometry |
| 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 |
| EN ISO 389 : 1995 | ACOUSTICS - STANDARD REFERENCE ZERO FOR THE CALIBRATION OF PURE-TONE AIR CONDUCTION |
Access your standards online with a subscription
Features
-
Simple online access to standards, technical information and regulations.
-
Critical updates of standards and customisable alerts and notifications.
-
Multi-user online standards collection: secure, flexible and cost effective.