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Old 15th March 2011, 18:04   #127  |  Link
Ghitulescu
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Join Date: Mar 2009
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Archive quality is not measured in PI/PO values. It is measured in how well that particular disk withstand the time. I said it before, and I repeat it now, lower PI/PO are a prerequisite for long term storage, yet these are not enough. Supposingly one keeps the burned disks in the darkest darkness, in a vault that is humidity controlled, and keeps it from scratching, PI/PO are extremely relevant, lower values offer a higher buffer against ageing. In normal usage however, scratches, humidity and UV radiations are much more important.

However, no matter how low is the average, spikes (bulks of high PI/PO) are not allowed for archival purposes.
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