Digital sound is nothing more than numbers. What separates one container from another is how those numbers are packed, how much data (if any) is thrown away, and which devices understand the result.

Echo is the only open-source music player I'll use, because it beautifully handles both on-device files and streaming service ...

If you stream music (and who doesn't these days) you've obviously come across abbreviations at the end of the audio files. The acronyms reading WAV, FLAC, MP3 and so on, are called audio codecs. You ...