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From: pchow@Shasta.ARPA
Newsgroups: net.audio
Subject: Re: Lost bits in digital recording
Message-ID: <5967@Shasta.ARPA>
Date: Wed, 5-Jun-85 12:10:31 EDT
Article-I.D.: Shasta.5967
Posted: Wed Jun  5 12:10:31 1985
Date-Received: Thu, 6-Jun-85 07:16:23 EDT
References: <670@charm.UUCP> <365@petrus.UUCP>
Organization: Stanford University
Lines: 16

> 3.  About digital recordings:  Even though CD-player blurbs talk about
> "error-correction", I'll bet there is none -  there's no time
> for it.  The real issue is, if there is an incorrect bit now and then,
> could you hear it ?  NO!  A single glitch in a digital record
> leads to white noise of very low amplitude, as I have verified by
> toying with artificial data sets simulating my experimental
> data.  You can't hear it.

Have you ever put your favourite CD up to a light source?  Choose one
that doesn't have an opaque label.  There are definitely defects there
that are more than 1 bit!  Thank goodness for error correction.

	Paul Chow
	Stanford University
	decwrl!shasta!pchow
	pchow@shasta