... LAFmin, LAFeqT, LASeqT, LAIeqTNote: X is A, C, Z and Y is F, S, I18Main Parameters of Airport Noise MeasLEPN,Td,Lmax19Display ... 47 times/s (It can simultaneously complete all center frequencies and A, C, Z weighting.)21Statistical analysis FunctionStatistical analysis software (S6291- ... weighting A, C, Z. Y is time weighting F, S, I23Real-time 1/1 OCT spectrum analysis1/1 OCT spectrum analysis software ...