AS 1217.4-1985

AS 1217.4-1985 Acoustics - Determination of sound power levels of noise sources - Engineering methods for special reverberation test room
standard by Standards Australia,

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Full Description

Sets out an engineering method for determining the approximate sound power level of small noise sources, which is applicable only to noise sources for which one or more identifiable and reproducible modes of operation exists. Applies to small noise sources producing steady noise within a specified frequency range.