Ok, I'm going to try to explain this the best way I can, I been Googling it all night I just need some insight here's my rig, (probably pointless):
Asus Sabertooth z77
(2) EVGA GTX 680 Classified SLI
Corsair Vengeance 32GB
2TB WD Black
120GB SAMSUNG SSD
Now my problem is and I ran into this testing on a dual setup with a friends 42" monitor and my 24" (Both connected on HDMI one on each soundcard). I want to run 5 monitors total (Not going to order them until I resolve this audio problem). 1 x 50" Vizio, 3 x 25" Asus Monitors (Triple monitor setup), 1 x 24" LG. All of which will be connected through HDMI, all of which with their own respective built-in stereo speakers.
When I tested the dual monitor set up with 2 different youtube videos the audio from both speakers mixed and played on both screens. One video was on one 42", the other video on the 24", but the audio came out in both at the same time.
Ideally I want the 50" Vizio to run on one channel and the other 3 x 25" Asus monitors on their own channel, 24" LG on its own channel (if 3 channels isn't possible I would atleast want the 50" on 1 and the rest on another.)
The reason why is because I want to be able to play a movie on the 50" and a game on the triple monitors.
Is there any way to separate the audio?
Through HDMI, I am open to considering a sound card and possibly external speakers, but have read some articles about drivers disabling one another etc. (I don't really care so long as the sound card can support 2 different audio signals from 2 different applications to 2 different displays example: Netflix on one Youtube of another.)
Personally if possible I really do not want to buy speakers unless I have to... I mean 5 screens all with built in speakers... and 1 has to be played through external... that would suck... and I really kind of have my heart set on this rig working as it should.