Give these folk a call; they have been in the acoustics field for a very
long time and will know most of the standards.

ACOUSTICAL INVESTIGATION &RESEARCH ORGANISATION LTD

Duxons Turn
Maylands Avenue
Hemel Hempstead
Herts
HP2 4SB 
United Kingdom
Telephone       +44 (0)1442 247146 
Facsimile +44 (0)1442 256749

E-mail [email protected]




Mike Hurley
Director
Mead testing ltd
Units 23/25 Mead park
River Way
Harlow
CM20 2SE

[email protected]
www.meadtest.com
phone 44 (0) 1279 635865
fax   44 (0) 1279 635874



From: [email protected] [mailto:[email protected]] On Behalf Of
Carpentier Kristiaan
Sent: 25 April 2008 09:51
To: EMC-PSTC
Subject: Standards for accoustic noise

Hi group,

Products with transformers sometimes produce noise due to fact that
parts of the transformer are not fixed well or due to piezo-electric
effect.
The acoustic level is rather low but can be annoying.
Can anyone point me to standards that describe this kind of acoustic
measurements and limits?

Vriendelijke groeten, meilleures salutations,
mit freundlichen Gruessen, best regards,
 
Kristiaan Carpentier
Regulatory & Approvals
Thomson Telecom Belgium
Prins Boudewijnlaan 47
B-2650 Edegem
Tel.: +32 3 443 6407
Fax: +32 3 443 6632
E-mail: [email protected]
 
 

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