UNE-EN ISO 11904-1:2003
Current
The latest, up-to-date edition.
Acoustics. Determination of sound immission from sound sources placed closed to the ear. Part 1: Technique using a microphone in a real ear (MIRE technique). (ISO 11904-1:2002)
Hardcopy , PDF
Spanish, Castilian, English
25-04-2003
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Measurement principle
5 Instrumentation
5.1 Ear canal microphone
5.2 Reference field microphone
5.3 Check of calibration
5.4 Filters
6 Subjects
7 Use of ear canal microphone
7.1 Choice of ear canal measurement position
7.2 Mounting of microphones
7.3 Safety
8 Determination of free-field or diffuse-field
related equivalent continuous A-weighted sound
pressure level
8.1 Measurement of ear canal sound pressure level
8.2 Conversion to free-field or diffuse-field related
sound pressure level
8.3 A-weighting and summation
9 Free-field and diffuse-field frequency responses for
selected ear canal measurement positions
10 Determination of free-field or diffuse-field frequency
responses
10.1 General
10.2 Measurement principle
10.3 Establishment of a free reference sound field
10.4 Establishment of a quasi-free reference sound
field
10.5 Establishment of a diffuse reference sound field
10.6 Measurement of the reference sound field
10.7 Measurement of ear canal sound pressure level in
reference sound field
10.8 Determination of free-field or diffuse-field
frequency response
10.9 Simplifications in specific cases
10.10 Optional check of the measurement arrangement
11 Test report
Annex A (informative) Example of sources of measurement
uncertainty
Annex B (informative) Example of an uncertainty analysis
Bibliography
Gives basic framework measurement methods for sound immission from sound sources placed close to the ear.
| Committee |
CTN 74/SC 1
|
| DevelopmentNote |
CORRECTION VERSION IS AVAILABLE NOW FOR THIS STANDARD
|
| DocumentType |
Standard
|
| Pages |
34
|
| ProductNote |
CORRECTION VERSION IS AVAILABLE NOW FOR THIS STANDARD
|
| PublisherName |
Asociacion Espanola de Normalizacion
|
| Status |
Current
|
| Standards | Relationship |
| NF EN ISO 11904-1 : 2003 | Identical |
| I.S. EN ISO 11904-1:2002 | Identical |
| UNI EN ISO 11904-1 : 2006 | Identical |
| EN ISO 11904-1 : 2002 | Identical |
| NBN EN ISO 11904-1 : 2002 | Identical |
| SN EN ISO 11904-1 : 2003 | Identical |
| BS EN ISO 11904-1:2002 | Identical |
| NS EN ISO 11904-1 : 1ED 2002 | Identical |
| DIN EN ISO 11904-1:2003-02 | Identical |
| NEN EN ISO 11904-1 : 2002 | Identical |
| ISO 11904-1:2002 | Identical |
Important note : Users cannot be edited or removed once added to your Multi user PDF.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.