CD-quality music is still the benchmark for decent audio; it’s not quite hi-res, but it’s noticeably better than the lossy, compressed music found on Spotify and your old MP3 library. But actually listening to uncompressed CD-quality music on a phone can still be tricky if convenience is also important. The source material needs to be high enough quality in the first place, and once it reaches your phone you need a way to get it to your headphones without that extra audio quality being…