buzz's last paragraph sounds like the early promise of simplicity that might have been HDMI. That would be amazingly wonderful and easy to work with... if only all the products worked the same way so every system did not have to be reinvented just to turn up the freakin' volume.
A good answer is easier with a clear question giving the make and model of everything. "The biggest problem in communication is the illusion that it has taken place." -- G. “Bernie” Shaw