A 3000Hz notch in CDs

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Article #17702

#17702

From: kavaler
Date: Tue, 30 Jun 1987 05:35

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It will be interesting to see how the record companies are going to
add this new CD feature.  If they tell people ahead of time, the price
of non-notched CDs will rise dramatically (can you imagine the resale
value of a non-notched CD when the notched CD has an audible and possibly
bothersome notch).  Maybe this way the record companies can produce
2 versions of each CD, one with notch (costing $14.00 each), and one without
notch (>> $14.00 each).  I also wonder if there will be any marks on
CDs that are notched.  How does one know?  Are they already notched??
Anyone have a spectrum analyzer handy?

Robert Kavaler

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From: kavaler@zion.berkeley.edu.UUCP
Newsgroups: sci.electronics
Subject: A 3000Hz notch in CDs
Message-ID: <19530@ucbvax.BERKELEY.EDU>
Date: Tue, 30-Jun-87 01:35:00 EDT
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Posted: Tue Jun 30 01:35:00 1987
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