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Old 2011-10-06, 08:51 AM
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direwolf-pgh direwolf-pgh is offline
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Join Date: Dec 2005
Location: down in the basement
Re: What's with HD Torrents?..

Quote:
Originally Posted by ... View Post
I will second the slow-speed burning.

Deep pits are your friend.
slow(er) burn helps with data buffer/transfer -- an equal amount of light/heat/data/error correction applied to discs at any speed.
(sorry but that old myth bugs me.. its not like you're half speed mastering on a record cutting lathe)

another fun factoid:
Quote:
The blank disc has a pre-groove track onto which the data are written. The pre-groove track, which also contains timing information, ensures that the recorder follows the same spiral path as a conventional CD. A CD recorder writes data to a CD-R disc by pulsing its laser to heat areas of the organic dye layer. The writing process does not produce indentations (pits); instead, the heat permanently changes the optical properties of the dye, changing the reflectivity of those areas. Using a low laser power, so as not to further alter the dye, the disc is read back in the same way as a CD-ROM. However, the reflected light is modulated not by pits, but by the alternating regions of heated and unaltered dye. The change of the intensity of the reflected laser radiation is transformed into an electrical signal, from which the digital information is recovered ("decoded").
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