Join Date: May 2000
Location: Walnut, CA, USA
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If you are having to use digital keystone correction, you are throwing away the 1 to 1 pixel mapping and blurring your image.
You might consider tilting the top of the screen out from the wall so its surface is square to the projection light path again. Or lower the screen on the wall so you don't need to tilt the projector. Or swap your room around so the screen is on the 7' wall and the projector and seating are on the 10' wall. Acoustically, you would be better off with the seating under the vaulted end of the ceiling. The way you have it, sound from the front speakers is hitting the viewers twice -- direct from the speakers and again reflected off the ceiling a split second later.
JVC DLA-RS1 VuTec 122" Screen
Harmon Kardon AVR 247 Parasound L&R Amp
Psycoustic Mark III L&R Towers, Boston Center
Energy Take 5 Surrounds, HSU Research Sub