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- Newsgroups: sci.electronics
- Path: sparky!uunet!nwnexus!ole!ssave
- From: ssave@ole.cdac.com (Shailendra Save)
- Subject: Re: Life after CDs
- Message-ID: <1992Jul27.212455.18334@ole.cdac.com>
- Organization: CDAC , WA
- References: <1343@eouk9.eoe.co.uk> <1992Jul24.203724.22543@rchland.ibm.com> <3664@wzv.win.tue.nl>
- Date: Mon, 27 Jul 1992 21:24:55 GMT
- Lines: 24
-
- In article <3664@wzv.win.tue.nl> rob@wzv.win.tue.nl (Rob J. Nauta) writes:
- >jsimon@rchland.vnet.ibm.com (Gerald Simon) writes:
- Jerry>>This may sound stupid but, when I look at the back side of a CD (the side
- Jerry>>the music is on), the light reflected back in the first part of the CD
- Jerry>>(usually less than 1/4 inch from the outside) differs from the light reflected
- Jerry>>back from the rest of the CD. I've always assumed that's the portion of the CD
- Jerry>>where the music is recorded. If that assumption is correct, than there is
- Jerry>>a LOT of space left over for additional music over the rest of the CD....How
- Jerry>>wrong am I?
- Jerry>>Jerry
- >
- Rob>A CD stores music from the inside to the outside ! Thus you are wrong.
- Rob>This is why 3" CD's work - the player doesn't care that an unused piece
- Rob>of plastic is missing, the music is on the inner circle.
- Rob>Rob
-
-
- The dots are spaced out more as you go to the outer edge of the disc, since
- the radial speed increases as you go from inside to the outside. I wish they could
- decrease the speed of the disc as the laser pickup reaches the outside of the disc,
- and store more stuff on it. What do you think?
-
- -S
- ssave@ole.cdac.com
-