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Appendix B
Sound Examiner SE-400 Series
38
Weighting (A, C, Z)
SPL measurements are commonly weighted (scaled) in relation to their frequency components in order to provide
a consistent basis for comparison to other measurements of the same type. The three Sound Examiner curves
are plotted in Figure B-5.
Figure B-5: All frequency weightings plotted together
Windscreen
A covering for a microphone that reduces disturbances caused by wind and direct contact with other surfaces.