Is your audio .mp3 or .aac?

[Gilgamesh]

Dogs Rule said:
AAC = MP4, It's the successor of MP3 that is used by iTunes, among others. At 320kbps, AAC and MP3 are pretty much the same quality, at high-compression levels (smaller file sizes), AAC wins out.

Ohh ok I gotcha

OT: I always use MP3's