the mp3 is a popular format for music, but now it is to step up a level in the technological revolution.......
the fraunhofer institute responsible for the format, has now been able to add an extra layer of data to an mp3 to enable surround sound on forthcoming music
it will work with existing hardware which is capable of reading the data off the mp3, and of course the right equipment..........
source: BBC news
http://news.bbc.co.uk/1/hi/technology/3550833.stm