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Old 17th May 2008, 10:24 PM   #9
avare
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Join Date: May 2004
Location: Hamilton, On Canada
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Quote:
Originally Posted by jacobfarron View Post
I have the book Surround Sound Up and Running, but it doesn't go into too much detail about the array. It looks like others have this problem as well - 110 to 120 degrees for rear surrounds leave out the producers desk or additional seating. So - when using an array, what are the angles of the speakers? A) Do the 2 closer to the mains remain at 110 while the rear 2 fire 180? or B) do all speakers fire 110 and the rear two are simply against the wall, which obviously makes the distance to mix futher, and I'm guessing introduces a lot of phasing issues or C) Do all array speakers fire at 180?
It seems that you are not certain what type of viewing environment you are designing for. Once you have decided that, the rest is following that standard. TV has point sources for surrounds. Cinema does not. Which one do you want? Do you want to arrange for video listening to a subset of the surround array to get both worlds?

If another perspective on the ambiguity might help, read over the NARAS Suround Sound Recommendations.

Also, I've been taking the 38% rule for mix position I've read about to mean the mix position is better situated towards the screen, rather then further in the room.[/quote]

With the size of room you are writing about, the importance of the 38% is not great. Besides, which seats will you put behind the "sweet spot" seats to be in the middle anyway?

Andre
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