The requirements for setting up and operating the machinery, the microphone array and the size of the hemispherical measurement surface are given in this recommended practice. This recommended practice shall be used in conjunction with ISO 4872-1978, which gives the basic criteria for the acoustic environment, instrumentation, micro phone positions, procedures for the measurement of the A-weighted sound pressure levels and the calculation of the A-weighted sound power levels.
SOUND POWER DETERMINATION—EARTHMOVING MACHINERY—STATIC CONDITION
1983-06-01
Conference paper
English
SOUND POWER DETERMINATION—EARTHMOVING MACHINERY—STATIC CONDITION
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