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  • From: Tanner Lovelace <lovelace AT wayfarer.org>
  • To: internetworkers AT lists.ibiblio.org
  • Subject: Re: [internetworkers] Dumb question
  • Date: 05 Aug 2002 17:31:22 -0400

On Mon, 2002-08-05 at 16:53, Gina Norman wrote:

> (I think the bit that's still got me a little confused is that it's
> obvious that you can copy one CD in *analog* format onto one cassette,
> bypassing the computer entirely. That being said, it *must* be the case
> [I think?] that there's _more_ info on a music CD than on a music
> cassette... or is digital that much "less efficient" than analog? Right?
> Otherwise, how can it be the case that you can put a whole friggin
> encyclopedia [or at least a few volumes] on a CD-R -- you clearly couldn't
> have put that on a 90-min. cassette [could you?]. So -- ignoring music
> altogether -- how many K of data can you put on a 90 min. cassette tape?)

How CDs compare to audio tapes is an easy question. Music
CDs were spec'd out to fit 74 minutes of music on them. 74 < 90,
so that's why cassettes will hold more. :-)

Tanner
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