Quote:
Originally Posted by underscore
Mp3 was great 20 years ago when we had space issues on hard disks.
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It's still great for portable music players and smart phones today, players and phones which have about as much storage capacity as their 20 year old predecessors.
Most of the perceived problems with MP3 are at low bitrates (or due to badly written encoders which the early ones were). LAME at 190Kbps (-V 2) and up is transparent for most sources. The real benefit to other formats like AAC and OPUS is at low bit rates, 128Kbps and less. So, if your library is MP3 at 190Kbps or higher then you probably won't gain anything from re-ripping the entire library -- unless you're like me and want accurate CUE files and your library's previous incarnation was ALAC converted to FLAC.
On the other hand, the only reason to format shift from MP3 to anything else is if you need to fit a large library on small media and you don't care about generational degradation. And if you do that? Keep the source-ish MP3 files around.