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Well...I ripped a CD to WAV, using iTunes (error correction turned on).The CD-ROM drive was an ~$25 ASUS, a typical manufacturer of computer components. The copy was then burned on a new audio CD using iTunes, at maximum speed.The burned CD was ripped again by iTunes.Comparing the 2 burned CDs showed a perfect match, Bit for Bit. [comparison program: HexCmp]At the end of Version 2 there were '0' bytes that don't appear in Version 1. Adding '0' bytes at the end of a file (called 'padding'), sometimes happens when file sizes are required to be a multiple of some number. These '0's don't affect the audio.I repeated this test on an old Laptop with a crappy drive. Same results. As long as there are no uncorrectable mistakes on the CD, any computer would rip it bit for bit. There's nothing on a CD but those bits. And the nice color glare.When I scratched a CD. When iTunes got to first uncorrectable mistake, it got stuck, trying to read it over a