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Apparently some MP3>wav converters use different methods; dithering, rounding and suchlike of the floating-point samples can lead to ever-so-slightly different end files. However, to your ears, they should sound mostly the same, with no perceptible quality loss, as it290 said.
Some decompressers for MP3 that I do know of are the Fraunhofer one from Windows, LAME, MAD and mpglib. Needless to say there will be more, either as separate programs or as part of CD burning applications, media players and the like. If you are more interested in which decompresser will give best quality, I'm afraid I can't be of much help.
There should be a 'definitive' decompresser, which produces the most accurate .wavs from an MP3, but I am not so sure as to which it is. You may want to check out hydrogenaudio.org and ask there?
Either way, you shouldn't have much trouble and no real loss of quality once you've picked your decompresser! Best of luck.  |
