Itunes Plus Aac M4a Sites -

Understanding iTunes Plus AAC M4A: The Gold Standard for Digital Music

: Because they lack DRM, these files can be played on virtually any device that supports the AAC format, including Android tablets, Kindle Fire, Sony Walkman, and various MP3 players. Itunes Plus Aac M4a Sites

While often used interchangeably, and M4A refer to different parts of the audio file: Understanding iTunes Plus AAC M4A: The Gold Standard