UNI EN ISO 11821 : 1999
Current
The latest, up-to-date edition.
ACOUSTICS - MEASUREMENT OF THE IN SITU SOUND ATTENUATION OF A REMOVABLE SCREEN
02-28-1999
1 Scope
2 Normative references
3 Definitions
4 Instrumentation
5 Determination of in situ sound attenuation
6 Uncertainty
7 Information to be recorded
8 Information to be reported
Annex
A Bibliography
Defines methods for evaluation of the in situ sound attenuation performance of a removable screen, in- or out-of-doors. Based on an insertion loss measurement for carrying out either with shielding of the actual sound source(s) or by means of an artificial sound source.
| Committee |
CT 2
|
| DocumentType |
Standard
|
| PublisherName |
Ente Nazionale Italiano di Unificazione (UNI)
|
| Status |
Current
|
| Standards | Relationship |
| NF EN ISO 11821 : 1997 | Identical |
| SN EN ISO 11821 : 1997 | Identical |
| NS EN ISO 11821 : 1ED 1997 | Identical |
| ISO 11821:1997 | Identical |
| I.S. EN ISO 11821:1997 | Identical |
| BS EN ISO 11821:1997 | Identical |
| UNE-EN ISO 11821:1998 | Identical |
| NEN EN ISO 11821 : 1997 | Identical |
| EN ISO 11821:1997 | Identical |
| NBN EN ISO 11821 : 1997 | Identical |
| DIN EN ISO 11821:1997-08 | Identical |
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