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ECMA 108 : 6ED 2016
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The latest, up-to-date edition.
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DETERMINATION OF HIGH-FREQUENCY SOUND POWER LEVELS EMITTED BY INFORMATION TECHNOLOGY AND TELECOMMUNICATIONS EQUIPMENT
12-01-2013
1 Scope
2 Conformance
3 Normative references
4 Terms and definitions
5 Requirements for measurements in
a reverberation test room
6 Method using measured reverberation time
7 Method using calculated air absorption
8 Method using a reference sound source
9 Method using a free field over a reflecting plane
10 Calculation of sound power level under
reference meteorological conditions
11 Measurement uncertainty
12 Information to be recorded
13 Information to be reported
Annex A (normative) - Calculation of air
absorption coefficient
Bibliography
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