Appendix – NTi Audio XL2 Sound Level Meter User Manual
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Appendix
LAeq + k1
Time-Average Sound Level with Correction Value
The actual measurement position often differs to the loudest posi-
tion of the live event. Thus the correction value k1 is the correc-
tion value of LAeq between the loudest position and the actual
measurement position, measured using pink noise. The correc-
tion value k1 is measured or manually set in the page K
SET
of the
sound level meter function.
->
->
LAeqxx
Moving Time-Average Sound Level
Measurement of the moving sound level over time Leq with A-
weighting frequency and F-weighting time responses; the param-
eter xx is user-defined from five seconds up to one hour. Four
individual levels can be configured, e.g.
5 seconds for live sound monitoring
•
10 minutes (in accordance with the French standard)
•
15 minutes (in accordance with the British standard)
•
60 minutes (in accordance with SLV)
•
->
->
->