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Posted by Steve King on 10/05/23 11:38
"nobody special" <msu1049321@aol.com> wrote in message
news:1138395611.540970.286990@o13g2000cwo.googlegroups.com...
> What you're looking to do is apply a notch filter and some downward
> expansion to just the exact frequency of the fan noise. You can also
> create a comb filter, but this is more for the buzz of a 60-cycle
> device, not the more steady-state whisper of the air.
I've found that AC air noise is more like pink noise. Where do you center
that notch filter? I'd like to know. I haven't been successful with EQ on
blower/air noise.
Steve King
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