Keywords:
Acoustic measurement, Acoustic testing, Acoustics, Comparison, Comparison methods, Determination, English language, In situ, Inspection, Machine noise, Machines, Measuring accuracy, Measuring uncertainty, Methods, Noise, Noise (environmental), Noise levels, Noise measurement, Noise sources, Operating conditions, Precision, Sonic testing, Sound level, Sound levels, Sound pressure, Sound sources, Specification (approval), Testing, Use