[TenTec] Orion 2.055 Observations

Mark Erbaugh mark at microenh.com
Sun Mar 5 09:26:35 EST 2006


>         If you are doing this test with low Tap
> settings, you may want to look at the response
> with a spectrum analysis program before concluding
> there is a real problem.  With a low number of taps,
> the DSP filter may become like a comb response
> with multiple peaks off the primary response.  These
> can fool your ears depending on what the spectrum
> response is.  It may sound like filtering is "wide
> open" to your ears, when in fact it is not.  This
> applies both to single 10 Hz BW changes and to
> single Tap setting changes.  One small change can
> sound very dramatic to your ears.

I was monitoring the output with a spectrum analyisis program. I did see the 
'comb' effect.

Mark 



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