What is a LAeq?

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LAeq is presser level measurement parameter. Full form of LAeq is " Equivalent continuous A-weighted sound pressure level". It is widely used around the world as an index for noise. LAeq = 10*log[1/(t2-t1) * Integration of (P2A/P20) between interval [t1 t2]]
where LAeq = equivalent continuous A-weighted sound pressure level [dB] p0 = reference pressure level = 20µPa pA= A-weighted pressure [Pa] t1 = start time for measurement [s] t2 = end time for measurement [s]
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