EN ISO 3744:1995 Acoustics - Determination of sound power levels of noise sources using sound pressure- Engineering methods in a essentially free-fiel...
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methods for an essentially free field over a reflecting plane. Performed by: ... ISO 3744, section 10.5.b Microphone Location, Refer to ISO 3744, Figure B.2
ISO 3744 Engineering method for free-field conditions over a reflecting plane (ANSI S12.34) ISO 3745 Precision method for anechoic an semi-anechoic rooms
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EN ISO 3744:1995 Acoustics - Determination of sound power levels of noise sources using sound pressureEngineering methods in a essentially free-field conditions over a reflecting plane Specifies a method of measurement. 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 of accuracy.
