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      01-07-2013, 01:10 PM   #17
bbbuzzy
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Drives: '06 330i ZSP,ZPP
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MP3 files (and other audio files) are compressed. This often causes lower fidelity. I'm not sure of the current file formats and whether they've changed much in the last few years (Probably?), but here's an authority on some of the technical differences:

http://www.stereophile.com/features/308mp3cd/
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