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- Maybe in reply to: Don Colton: "active noise cancellation"
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> On the subject of ANC for fans, to benefit everyone in hearing range of
> the fan, you would basically have to build the ANC microphone and speaker
> into a common duct with the fan. By the time you add all this, you could
> just as easily bought a more expensive fan with ball bearings instead of
> bushings and well designed, near silent fan blades.
> Or you could do a little passive noise control, mount a nice quiet fan in
> a duct with a right angle bend and a bit of acoustic insulation in the
> Joseph S. Wisniewski | Views expressed are my own, and don't reflect
> Ford Motor Company | those of the Ford Motor Co. or affiliates.
> Project Sapphire | LeMans, Daytona, Bonneville, and Sebring are
> jwisniew@@ford.com | just races, won by people driving Ford cars!
