Even if you don't own an iPod, it can be easy to get sucked into the AAC trap. It's the default format used by the popular iTunes Software to rip CDs, and the program will prompt you to convert WMAs ...

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.

One of the biggest announcements made by Apple during the recent Macworld Expo was the news that, soon, all music sold by the iTunes Store will be free of digital rights management (DRM) restrictions.

If you’ve bought albums on iTunes, or ripped CDs into its library, then you’ll notice that when you want to move them to another device they might not be compatible. This is because Apple uses the AAC ...