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Originally Posted by Quoth
And I apologise for claiming CD-Audio has no error correction. It has some, and that's appropriate for pressed CDs and compromise between playing time and overhead.
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CD-DA has a lot of odd compromises. Like how the recording time is 74 minutes, 33 seconds allegedly because that's the duration of a particular recording of Beethoven's Ninth Symphony.
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CD-Data is far better, but still not an archive medium on PC writing. Nor is DVD.
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Again, because the recording layer on CD-R and DVD-R is an organic material. Quickly degrades when exposed to oxygen.
Some brands are superior, as ownedbycats discovered. Verbatim and JVC/Taiyo-Yuden have the best reputations for both recording reliability (few/no coasters) and durability.
MO media should last forever barring physical damage. The metallic recording layer is inert, and it's non-magnetic except when under heated phase change conditions.