Earlier quoted context omitted.
> Unless you want to mix/remix/etc. Changing the pitch brings out the artifacts. Certainly, you probably need lossless if you're going to do any sort of editing.
Lossless, and possibly upsampling before editing, but high end gear probably does that by default. As for bitrate compression, although I have a good musical ear, I can't find any appreciable difference from a high bitrate (320) mp3 and the corresponding lossless track, so no problems using mp3s to listen to music. I also managed to resample my entire portable playlist (yeah, making mp3s out of mp3s, I know in some c…
You can't 'uncompress' an MP3 back to having the dynamic range it had before.