Article View: comp.dsp
Article #809Re: noise cancellation
From: Bradford Garton
Date: Sat, 09 Jun 1990 03:22
Date: Sat, 09 Jun 1990 03:22
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1477 bytes
In article <595@mercury.iotek.UUCP> garyb@iotek.UUCP (Gary Burrell) writes: >I was just reminded by a previous article which mentioned to sine waves >cancelling each other out of an item I heard of a few months ago. > >Apparently Lotus (Sportscars not Speadsheets :)) was working on a noise >cancillation system for a car, it was something like based on the data >from a whole bunch of sensors out put a waveform which cancels all the regular >(repeating) noise ie regular engine noise, road noise etc. > >Does any one have any information on this. I could see all sorts of >places were a system like this could be used, factories, aircraft etc. I remember hearing something about active noise suppression being used at some power plants in Britain, but this was about 4-5 years ago and my brain is old and tired now. Brad Garton Columbia University Music Department brad@woof.columbia.edu
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arc1-ca.pugleaf.net!utzoo!utgpu!news-server.csri.toronto.edu!mailrus!wuarchive!brutus.cs.uiuc.edu!apple!rutgers!cunixf.cc.columbia.edu!cunixa.cc.columbia.edu!gartonReferences:
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Path: arc1-ca.pugleaf.net!utzoo!utgpu!news-server.csri.toronto.edu!mailrus!wuarchive!brutus.cs.uiuc.edu!apple!rutgers!cunixf.cc.columbia.edu!cunixa.cc.columbia.edu!garton From: garton@cunixa.cc.columbia.edu (Bradford Garton) Newsgroups: comp.dsp Subject: Re: noise cancellation Message-ID: <1990Jun9.032245.2967@cunixf.cc.columbia.edu> Date: 9 Jun 90 03:22:45 GMT References: <595@mercury.iotek.UUCP> Sender: news@cunixf.cc.columbia.edu (The Daily News) Reply-To: brad@woof.columbia.edu (Brad Garton) Organization: Columbia University Electronic Music Center Lines: 19