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In Reply to: Re: burn is indeed "deeper" posted by Oscillatus on January 03, 2003 at 02:07:33:
How deeply it burned the disc matters. Just because one player can successfully read a disc that was burned at 64x doesn't mean any others will. You would be amazed at how much error correction has to happen with a disc that has a "faint" burn.
Follow Ups:
It would seem to me that if "faint burning" was the problem, then the error correction that is burnt as part of the process would have the same problems. So just how would there be so much successful error correction occurring, if the error correction data was "faintly" burned?
it's a statistical thing. Chances are the more correction bits you add, the better the chance that any errors that occur can be corrected. Yes, the error correction bits have the same chance of being in error as any other, so long as the total number of bit errors in any given 'word' of data does not exceed the redundancy built in via the error correction bits, then the data can be recovered.
What I am saying is that any given player is going to have a harder time reading a "faintly burned" CD over one that has a deep burn. I know of several players that I and some of my friends have that cannot sucessfully read a CD that was burned at high speeds. The fainter the burn, the bigger the chance that error correction is going to take place. The only thing you gain by burning a CD a a high rate is time. I'd rather do it right the first time. As far as error correction in the dubbing process goes, I would guess the same thing. Discs read at high speeds will probably have more errors than ones read at a slower speed. From what I have read, some CDR's that dub do not even use error correction during a dub. They take data from the source deck and dump it to the recording deck.
Really I have had no problems in any player with the discs I burn at 16x. Maybe it depends on the burner.
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