if you use aac at 128kbps on the 5th gen ipod (ipod w/ video), you actually can cram 7,500 4min songs on it
apple audio compression
"if you use aac at 128kbps on the 5th gen ipod (ipod w/ video), you actually can cram 7,500 4min songs on it" What is the definition of "aac"?