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- Path: sparky!uunet!ogicse!emory!athena.cs.uga.edu!aisun3.ai.uga.edu!mcovingt
- From: mcovingt@aisun3.ai.uga.edu (Michael Covington)
- Newsgroups: sci.electronics
- Subject: Re: How to build a noise reducer?
- Message-ID: <1992Nov18.161332.532@athena.cs.uga.edu>
- Date: 18 Nov 92 16:13:32 GMT
- Article-I.D.: athena.1992Nov18.161332.532
- References: <zhenya.722059559@ultima>
- Sender: news@athena.cs.uga.edu
- Organization: AI Programs, University of Georgia, Athens
- Lines: 18
-
- In article <zhenya.722059559@ultima> 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?
-
- To shift a sine wave 180 degrees = to turn it upside down.
-
- Why not just reverse the leads on the speaker?
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- --
- :- Michael A. Covington internet mcovingt@uga.cc.uga.edu
- :- Artificial Intelligence Programs phone 706 542-0358
- :- The University of Georgia fax 706 542-0349
- :- Athens, Georgia 30602-7415 U.S.A. amateur radio N4TMI
-