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Forums     Discussions     Announces, Releases and Discussions Spectrum smoothing in analysers


I can be wrong, but it seems like the Smoothing happens just before displaying a spectrum on a screen.  That is:

Analysis>>Lin/Log conversion>>Smoothing>>Display

And because the Lin/Log conversion makes high frequencies look sharper, they get smoothed, first.  Thus, we get a frequency-dependent smoothing.  I thought, if you could swap the Lin/Log conversion with Smoothing, that is:

Analysis>>Smoothing>>Lin/Log conversion>>Display

the Smoothing would be applied to the spectrum at the point when all frequencies look equally sharp.  And thus, you could eliminate the frequency-dependent smoothing that we experience now.


Your logic is understandable, but this unfortunately won't help, because even in linear domain the FFT produces narrower peaks with increasing frequencies.
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