Turnover - "Tears of Change" (Live at Studio 4) 

It sounds like it’s running through a modulator with a series of after effects tacked on. Reverb, pitch shifting, as well as some sort of pitch correction or vocoding layer sounds like it’s being applied. That or it’s a stack of multiple vocal layers each with their own unique effects, it’s a bit hard to tell without seeing the direct input and the software tracking

I know that, live, he uses a tc helicon voice live touch unit (if I’m not mistaken)