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NA
Status of Standard is Unknown
BS EN ISO 7779 - ACOUSTICS - MEASUREMENT OF AIRBORNE NOISE EMITTED BY INFORMATION TECHNOLOGY AND TELECOMMUNICATIONS EQUIPMENT
Hardcopy , PDF
English
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Conformity requirements
5 Installation and operating conditions
6 Method for determination of sound power
levels of equipment in reverberation test rooms
7 Method for determination of sound power
levels of equipment under essentially
free-field conditions over a reflecting plane
8 Method for determination of emission sound
pressure levels at defined operator
and bystander positions
9 Measurement uncertainty
10 Information to be recorded and reported
Annex A (normative) - Test accessories
Annex B (normative) - Measurement surfaces
Annex C (normative) - Installation and operating
conditions for specific equipment categories
Annex D (informative) - Identification and evaluation
of prominent discrete tones
Annex E (informative) - Detection of impulsive noise
Bibliography
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