“iTunes and the Technology Beyond MP3”

Phillip D. Long, senior strategist for the Academic Computing Enterprise at MIT writes about the iTunes Music Store and gives a beginner’s lesson on audio formats titled “Audio File Formats 101.” Also included is a list of websites for further reading about AAC, MP3, MPEG-2 and MPEG-4.

“Overall it looks like AAC is simply a better approach to digital sound encoding. MPEG formal listening tests have demonstrated that for 2 channel sound, that is, typical stereophonic listening, MPEG-2 AAC is able to provide slightly better audio quality at 96Kbps than MP3 at 128Kbps.”

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