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In Reply to: There are increasing numbers of computers being used for music playback. What do they mean for sacds posted by Norm on December 17, 2004 at 06:43:12:
"Why can disk drives read what player drives cannot?"It is not quite as simple as disk drives versus player drives. Given a defective disk (most likely these are disk problems), some drives will work and others will not.
But the big reason is the copying software. A program like Exact Audio Copy will try reading bits multiple times, and I would assume other programs use similar methods. If the disk is too messed up, a copy will also fail, but in general EAC or the equivalent will do a better job of pulling bits from a disk than simple CD playing software.
Follow Ups:
On top of what you said, CDPs also have the constraint of working in real time - not only this, but they must preserve the timing with which bits are read not merely the order, which is a task from which computers are free. This can make disc defects tougher for CDPs to deal with than for PCs.
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The potential is there. Additional problems are there as well (lots of RFI, and you still need a very precise clock to arrange the samples with respect to time).
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