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- Path: sparky!uunet!pipex!warwick!uknet!cam-eng!cmh
- From: cmh@eng.cam.ac.uk (C.M. Hicks)
- Newsgroups: sci.electronics
- Subject: Re: How to build a noise reducer?
- Message-ID: <1992Nov18.161840.1753@eng.cam.ac.uk>
- Date: 18 Nov 92 16:18:40 GMT
- References: <zhenya.722059559@ultima>
- Sender: cmh@eng.cam.ac.uk (C.M. Hicks)
- Organization: cam.eng
- Lines: 21
- Nntp-Posting-Host: tw305.eng.cam.ac.uk
-
- zhenya@socs.uts.edu.au ( The Firefox.) writes:
-
- >Does anyone have any ideas about the best way to build a device that takes
- >an input from an external microphone, shifts the signal 180 degrees out
- >of phase, and then re-emits it with little loss of resolution of the
- >waveform in the process?
-
- >It would be great if it could also work from frequencies of about 20Hz up...
-
- >Maybe there is a mail-order kit for something similar that someone know of?
-
- >Thanks in advance....
- >Zhenya.
- >--
-
- Excuse me if I'm being thick, but won't reversing the microphone connections
- do this :-? If this isn't what you mean (it doesn't have much to do with
- 'noise reducing' - see subject line) then please restate the question, and
- maybe I can be more helpful...
-
- Chris
-