APEv1

APEv1 is an older version of APEv2 and uses essentially the same format. APEv1 has all info values stored as ASCII, while APEv2 uses UTF-8. Also APEv2 has a header that marks the beginning of the tag, making it easier to detect when streaming etc.

APEv1 is used by older versions of Monkey's Audio.

Addtional Reading

• APEv1 specification