Originally Posted by BIGmouthinDC
Toe-in is problematic in my space unless I take a saw to the wall. The room is shorter behind the left speaker.
Another reason is that the AT of the screen deceases with the angle of the sound.
Chris Seymour in the Seymour AV thread also thought that to be the case, due to experiences with earlier AT materials, but changed his mind after doing some measurements (I believe this was pre-Center Stage material; YMMV for SMX I guess):http://www.avsforum.com/avs-vb/showt...2#post12824882
Well, the data is in and it shows me not only how some of my experiences derive from, but also where I'm wrong. My basis for recommending that folks try to minimize their speaker angles with respect to the screen (e.g. fire them straight through - don't tow them in) came from previous experience with acoustically transparent large and small-format screens and their tendency to affect the sound at different speaker angles. My analogy with the light opacity at different angles seemed to support that the material acts like it has a different openness at different angles and hence its permeability and sonic transparency would be affected. Fire straight through and get the full openness of the fabric, increase the angle and you're thereafter trading off acoustical transparency. After running through the tests with the Center Stage screen fabric, the measurements didn't support this. If you're wearing a tie, your summary is that the Center Stage screen doesn't perform worse at increased speaker angles, and that comb filtering is not significantly affected by speaker angle.
Doesn't help you saw holes in the wall though.