Octogris
A Sound Spatializer Audio Unit Plugin
The development of this plugin has been stopped. To obtain the most updated version of the plugin, visit:
https://sourceforge.net/projects/octogris/
Or, the newest version, the SpatGRIS:
https://sourceforge.net/projects/spatgris/
Octogris is a sound spatializer Audio Unit plugin (Mac only) that works up to 32 sources -> 32 speakers, but it was primarily designed to make octophony with visual feedback and many different movement modes.
It has been developed at Université de Montréal...