UNIVERS SONS is a leading developer of software-based instruments. The UVI Engine technology powers some of the most successful software-instruments such as Stylus?, Atmosphere? and Trilogy? from Spectrasonics?, MachFive?, Electric Keys? & Ethno? from MOTU?, and XTreme FX? and Plugsound Pro? from UltimateSoundBank?. UVI Engine and UVI are registered trademarks of UNIVERS SONS, SA.