WAV audio files can be as large as 4GB, and even smaller files need a lot of space. While WAV format files are of excellent quality, not all users can afford to store them in their devices.

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.

Digital music comes in many different formats – almost everyone knows MP3 thanks to Napster at the end of the last century, but what about OGG, AIFF, MQA or DSD? Confused? Don't worry, we're here to ...