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Electronics Repair (sci.electronics.repair) Discussion of repairing electronic equipment. Topics include requests for assistance, where to obtain servicing information and parts, techniques for diagnosis and repair, and annecdotes about success, failures and problems. |
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#1
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Active Noise Cancellation Device
Hello
I'm after someone who can make an "Active Noise Cancellation Device". If you're that someone and would like some extra cash please contact me at . Thanks James |
#2
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Seimens is supposed to have these. The good ones are fairly expensive,
and they are all very limited in performance. Noise is very complex, and all the situations are very random. We would not even dare to take on such a project at our company, because of the wide parameters, and customer satisfaction factor. -- Jerry G. ====== "James Hill" wrote in message om... Hello I'm after someone who can make an "Active Noise Cancellation Device". If you're that someone and would like some extra cash please contact me at . Thanks James |
#3
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James Hill wrote:
Hello I'm after someone who can make an "Active Noise Cancellation Device". If you're that someone and would like some extra cash please contact me at . Thanks James Wouldn't it be cheaper to buy a pair of off-the-shelf noise canceling headphones? -- The e-mail address in our reply-to line is reversed in an attempt to minimize spam. Our true address is of the form . |
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"James Hill" wrote in message om... Hello I'm after someone who can make an "Active Noise Cancellation Device". If you're that someone and would like some extra cash please contact me at . Thanks James# Move house, its probably for the best ;-) Chris |
#6
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On Sun, 21 Nov 2004 13:07:56 GMT, Mistress
wrote: In article , says... "Jerry G." wrote in message ... Seimens is supposed to have these. The good ones are fairly expensive, and they are all very limited in performance. Noise is very complex, and all the situations are very random. I had such high hopes when I saw ANC demonstrated with a wood chipper several years ago. I thought this technology was "right around the corner." My fondest dream -- I want one inside my PC case. The fan noise is making me crazy, hour-after-hour, day-after-day. To solve that 'problem' you don't need ANC. Buy yourself a remote KVM unit and put your PC in a place where you cannot hear it. -- Kind regards, Gerard Bok |
#7
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"Mistress" wrote in message . .. | I had such high hopes when I saw ANC demonstrated with a wood chipper | several years ago. I thought this technology was "right around the corner." | | My fondest dream -- I want one inside my PC case. The fan noise is making | me crazy, hour-after-hour, day-after-day. Replace the fan. There are some which can vary the speed by temperature. And watch for the fan on the processor (if you have one). Some of those can sound like a locomotive wreck. N |
#8
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Mistress wrote:
In article , says... "Jerry G." wrote in message ... Seimens is supposed to have these. The good ones are fairly expensive, and they are all very limited in performance. Noise is very complex, and all the situations are very random. I had such high hopes when I saw ANC demonstrated with a wood chipper several years ago. I thought this technology was "right around the corner." My fondest dream -- I want one inside my PC case. The fan noise is making me crazy, hour-after-hour, day-after-day. Power consumption, the associated heat, and hence the associated fan noise are three aspects of the same problem which is the bane of PCs. I've switched much of my computing to Sun Rays to cope. -- The e-mail address in our reply-to line is reversed in an attempt to minimize spam. Our true address is of the form . |
#10
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"Jerry G." wrote in message
... Seimens is supposed to have these. The good ones are fairly expensive, and they are all very limited in performance. Noise is very complex, and all the situations are very random. Hmmmm, check out the Fenton Silencer, you'll find it in Arthur C. Clark's "Tales From The White Hart" Ol' Fenton still had some glitches in it, but the story dates back to the forties! Regards, Tom |
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