Appendix – NTi Audio XL2 Sound Level Meter User Manual

Page 236

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236

Appendix

LAeq60’ +k1

Moving Time-Average Sound Level with Correction Value k1

The actual measurement position often differs to the loudest posi-
tion of the live event. Thus the correction value k1 is the correction
value of LAeq60’M 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.
Application: Measurements in accordance with SLV

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LAF

Actual Sound Pressure Level

SPL with A frequency weighting and F time weighting, compen-
sating for human hearing perception at lower sound pressure lev-
els; applicable at levels lower than 100 dB.

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LAFmax

Maximum Sound Pressure Level

Measures the maximum environmental noise level during the
measurement period.

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LAFmax dt

Maximum Sound Pressure Level

“delta t” in report

Maximum level of the preset logging interval in the LOG-menu,
e.g. 1 second.

LAFmin

Minimum Sound Pressure Level

Measures the minimum environmental noise level during the
measurement period.

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