v.mix v.mix allows you to add two streams together with separate gain controls. v.mix allows you to add two streams together with separate gain controls. Mixes operate on alpha channels (if they exist) by default. The alpha channel does not affect the mix itself.	from the library : softVNS Format : External Environment : jitter / max commercial Max 4.x http://homepage.mac.com/davidrokeby/softVNS.html