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Differences: 4X versus 2X versus 1X media?

Discussion in 'DVD±R media' started by Ernest-T, Mar 3, 2003.

  1. Ernest-T

    Ernest-T Member

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    Could someone explain what is done to a disk (technically or physically), that allows one disk to record at 2X or even 4X speed versus a slower speed disk. Or is it that a higher speed disk is one with fewer flaws, which therefore make it easier to write at high speed?
    Thanks!
     
  2. jase

    jase Guest

    Same reasons as for CDR media really. The early media isn't overly well balanced, and the dye doesn't "burn" quickly enough to facilitate higher burning speeds. It *is* physically possible to burn a 1x disc at 4x with the correct firmware, but what will probably come out on all but the best media is an unreadable coaster, due to a combination of the drive being unable to track the disc correctly and the dye not burning quick enough, leaving irregular pits.
     

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