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- Newsgroups: rec.audio
- Path: sparky!uunet!darwin.sura.net!mips!mips!munnari.oz.au!trlluna!titan!titan!tpearson
- From: tpearson@titan.trl.OZ.AU (Trevor Pearson)
- Subject: Re: DAT/CD Sampling Frequency: who cares?
- Message-ID: <1992Jul27.033213.25987@trl.oz.au>
- Sender: root@trl.oz.au (System PRIVILEGED Account)
- Organization: Telecom Research Labs, Melbourne, Australia
- References: <1992Jul24.091023.18052@elroy.jpl.nasa.gov>
- Date: Mon, 27 Jul 1992 03:32:13 GMT
- Lines: 19
-
- chu@hanauma.jpl.nasa.gov (Eugene Chu) writes:
- > In article <5994@otc.otca.oz> brendan@otc.otca.oz (Brendan Jones) writes:
- > >in article <Jul08.171025.23033@yuma.ACNS.ColoState.EDU>, cc433336@LANCE.ColoState.Edu (Constantinos A. Caroutas) says:
- > >> Theory says that if you can sample at least twice per cycle, you can
- > >> recreate the signal exactly.
- > >
- > >No no no. Not twice per cycle. At least twice the highest *frequency*
- >
- > I think the sampling frequency must be twice the BANDWIDTH of the signal
- > you're trying to sample. Of course, Nyquist never said it would be easy.
- >
- >
- Stop the argument. These statements are all the same for a sinewave,
- and they are all obviously trying to infer the same thing.
-
-
- *****************************************
- * Trevor Pearson *
- * TRL. Clayton, Australia *
-