> > > so you get the same number of values, but they use different time-frames > > for doing the averaging. > > Wow, crazy! Thanks for this explanation! Would be interesting to know > for what different applications this (eg a long window with short > period) can be useful. Anyway, it's very good to know. >
For continuous measurements, you can also calculate the RMS in the audio domain by squaring a signal, low-passing it with a 1-pole low-pass, and taking the square root. The period of the filter, roughly, is the analysis window. See Zölzer's "DASP" from 2008, page 229, for more information. D > > > > _______________________________________________ > [email protected] mailing list > UNSUBSCRIBE and account-management -> > https://lists.puredata.info/listinfo/pd-list >
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