HI,
perhaps this helps you: (
http://www.surroundassociates.com/fqmain.html#6.1)
Quote:
6.6 How can I get a surround mix from a stereo console?
Here's a little trick that will give any standard console the ability to do surround panning as long as you have at least 4 busses available. Although the following is a bit easier to visualize on a English-style split monitor desk, it can be performed on an in-line console just the same.
In the stereo world we're used to panning from left to right using a left and right stereo mix buss or odd/even recording busses. If we dedicate two mix buses, say busses 1 and 2 for example, to left and right front and busses and 3 and 4 to the rear, then we are restricted to only being able to pan back and forth between left and right either in the front or in the rear. The hard part, and what we want most, is the ability to pan front to back.
We can do this by just assigning the busses a little differently. Simply make busses 1 and 4 the front mix and 2 and 3 the rear. Now by assigning busses 1 and 2 you can pan left front to rear and busses 3 and 4 pans right front to rear (See Figure 1). Although it doesn't work perfectly, you do get the sense of panning diagonally as well by using 3 busses such as 1, 2 and 4 for left rear to right front for example. In fact, any combination of buss assignments (even all four at once) will get you most places that you want to go in the surround field.
This method doesn't give you the ability to pan to the center speaker though. You still need a hard buss assignment (buss 5 perhaps) or preferably an aux send for that. But it does stretch some added surround mileage out of that seemingly over-the-hill stereo desk.
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an thereŽs Ambisone from prosoniq:
http://products.prosoniq.com/cgi-bin...etail&refno=13
and as an ignorant DIY guy, IŽd say: If the want 5.1 let them PAY!
IŽd also check with the post&surround forum of the DUC, they should know!
regs