Recent content by afmpb9574549

For your knowledge: for the interrupted noise you can use the software "Spectra Plus". Not free and expensive bat it's possible to download a fully active release for 30 days. The interrupted noise is used, for example, in ISO 354 for the measurement of the absorbing coefficient (alfa) of...

I have two problems in Log. 1: I recorded a time history, A, F, for about 2:20 h. Rew computes the Leq(A) for the all time history = 40.6 dB(A). I Imported the file in Excel (48976 rows). Calculating the Leq (with VBA routine) I obtain 40.1 dB(A). The Max and Min levels are correct. My routine...