Converting from a .m4a to a .mp3?

Is there any degredation of audio quality if a .m4a file is converted through iTunes
to a .mp3 file?

Michael:
Yes. .m4a (or AAC) is a compressed and lossy format. When you convert to another compressed and lossy format, such as .mp3, there is bound to be a degredation in quality. If, however; you are planning on using those tracks to burn discs played in a car, you probably won't hear the difference. Most automobile acoustics are pretty poor. You will definitely hear the difference in an iPod or on a decent set of speakers.
Lita

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