BS EN ISO 3744:1995 Acoustics - Determination of sound power levels of noise sources using sound pressure - Engineering method in an essentially free field over a reflecting plane (+ AMD 8936) (Withdrawn)
Publication Year
1995
Document Status
Withdrawn
Abstract
Specifies a method for measuring the sound pressure levels on a measurement surface enveloping a noise source, under essentially free-field conditions near one or more reflecting planes, in order to calculate the sound power level produced by the noise source. Gives requirements for the test environment and instrumentation, as well as techniques for obtaining the surface sound pressure level from which the sound power level of the source is calculated, leading to results which have a grade 2 accuracy.
Document History
Superseded by BS EN ISO 3744:2009. Supersedes BS 4196-4:1981.
ISBN
0580234789
Publisher Information
British Standards Institution
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