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Rip CDs at Mach 2 on a Mac Pro
Authored by: dethbunny on Oct 27, '06 02:25:35PM

It depends on the needs of the drive. If you play an audio CD in a computer, it'll keep playing at a constant data rate, while spinning more slowly at the end. Think of it this way - if the drive can spin at 5000 RPM and read data at 15X (totally made-up numbers there) in the middle, why artificially slow down to keep reading at 15X all the way through? Why not spin at 5000 RPM all the way, and reap the speed gains as the tracks get gradually longer? That's what modern drives do. Since it's generally desirable to read data as fast as possible, they maintain a constant angular velocity that is always as fast as a particular disc can be reliably read.



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