71.171.23.103
In Reply to: RE: A bogus test for a CD player posted by Tony Lauck on October 13, 2009 at 20:39:39
I'm not so sure about that. It is an optical medium and no matter what is on the disc (we know it is a series of pits and lands, ie ones and zeros), the info has to be able to be read optically. The scratches block (by refraction) the reception of the lasers light. I see DVD ROM drives that have problems reading dics with fewer scratches and they should have more memory available. I should have a sacrificial CD around somewhere that I can bring to levels of horrible condition until it refuses to be read in order to test that theory of yours. It involves a little luck no matter how you slice it (pardon the pun) as you can occasionally find the tiniest of scratches in the wrong spot on some discs which will cause every player that you put it into to refuse to read that portion. I have a couple of those discs and no player will read those areas consistently.
-Bill
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