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From: jon@boulder.UUCP (Jonathan Corbet)
Newsgroups: net.audio
Subject: Copy protected records?
Message-ID: <305@boulder.UUCP>
Date: Sat, 9-Feb-85 18:20:20 EST
Article-I.D.: boulder.305
Posted: Sat Feb  9 18:20:20 1985
Date-Received: Tue, 12-Feb-85 04:45:58 EST
Distribution: net
Organization: National Center for Atmospheric Research
Lines: 12

[]

	I have heard rumors from a couple of sources now that some record
companies are adding a high frequency signal to their records that 
interfere with the bias on tape decks, thus making it difficult to make
tapes of said records.  Does anybody know if this is really true, and
if so, just what the technique is?

--
Jonathan Corbet
National Center for Atmospheric Research, Field Observing Facility
{seismo|hplabs}!hao!boulder!jon