Averaging of non-continuous noises
Calculation of an averaging level of non-continuous noises.
Lm=10*lg(Sum(10Li/10*Ti)/B) (see VDI 2058, September 1985)
TA Lärm guideline values:
Descriptor is a user defined text, which will be transfered, by pressing OK, together with the results into the appropriate tables.
Reference period (B) [h]
Reference period for the evaluation level after TA Lärm is for the 16 day hours from 6 to 22 o'clock, for the loudest night hour.
Time intervals (Ti) [h]
Sound power levels (Li) [dB(A)]
Relative spectrum [dB]
A-weighted average level (Lm) [dB(A)]
Average spectrum [dB]