[purchase]

The CIS can be controlled by a device
emitting a continuous audio tone changing in pitch.

3D scenes called "feedback interfaces" can respond to a change in pitch by presenting progressively more novel and rewarding imagery as the pitch goes lower or higher (depending on how the user sets feedback).
Great for use with Thought Technology's GSR2^TM.   

3D Artists & Developers:
CIS content is based on the VRML/X3D file format.  Content can be created with, and exported from, most commercial modeling apps, and a number of free ones.  More info...

Support documentation and downloads for
Audio-controlled CIS Suites
can be found here.