[rescue] Thoughts on system noise...

[Greg A. Woods]

[ On Sunday, March 24, 2002 at 22:21:23 (-0500), Sridhar the POWERful wrote: ]
> Subject: Re: [rescue] Thoughts on system noise... 
>
> I've built these systems.  It uses sound of the same wave and amplitude,
> but opposite phase to cancel the waves out.  It's not easy to engineer
> properly.

Not to mention but that fan noise is pretty pink, if not damn near white
noise so probably impossible to cancel within any reasonable distance
where it's actually still at an annoying level....

-- 
								Greg A. Woods

+1 416 218-0098;  <gwoods at acm.org>;  <g.a.woods at ieee.org>;  <woods at robohack.ca>
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