1,000 times smaller than MP3
Some very clever people at the University of Rochester, New York have reproduced audio in a format which is 1000 times smaller than MP3. The final file size for a 20second clip is less than 1kilobyte, this file size was achieved by recreating the physics of a clarinet and the clarinet player on a computer. The sound itself was not recorded at all, just reproduced.
A nice new idea for digital audio, but it will be a long time before this comes into our hands. Discuss on our Forums.