This looks pretty promising... below some copy/paste from the original site, but you´ll get the idea.

MASE ( Multi Angle Surround Engine) is a new sound system, developed by Muzieklab Brabant, that offers dance-artists and DJs the possibility of manipulating sound source placement...
This new system allows artists to determine spatial placement and movement of sound sources in real time...
The interface offers DJs or producers eight independent audio inputs and a library of sound movements. The user has ample options for assigning a trajectory to an incoming audio signal and to start, stop or localise this. (text taken from masesystem.com)

Otto von Schirach, Doormouse and Rioteer will premier the MASE system @ zxzw festival in Tilburg, Netherlands, 14 - 21 september 2008

official site
some pics and more info(dutch only)
zxzw festival