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From: keithe@tekgvs.UUCP (Keith Ericson)
Newsgroups: net.audio
Subject: Re: cd oversampling
Message-ID: <1167@tekgvs.UUCP>
Date: Mon, 29-Jul-85 17:09:09 EDT
Article-I.D.: tekgvs.1167
Posted: Mon Jul 29 17:09:09 1985
Date-Received: Wed, 31-Jul-85 20:11:46 EDT
References: <707@charm.UUCP>
Reply-To: keithe@tekgvs.UUCP (Keith Ericson)
Organization: Tektronix, Beaverton OR
Lines: 19
Summary: 

In article an earlier article someone wrote:
1>A second thought:  why they call
2>the output filters "anti-alias filters" I'll never know.

3>Oversampling introduces new aliases, but they are
4>above the original Nyquist frequency and are removed by output
5>filters.

<3-5 restated>: the (new) aliases are removed by the output filters.

And that's why they're called anti-alias filters...
-- 
Keith Ericson  at TekLabs (resident factious factotum)
Tektronix, PO 500, MS 58-383
Beaverton OR 97077
(503)627-6042
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