Sonnie,
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If I could get them removed I might re-attach them with some 1/2" to 1" spacers to allow some space behind them... maybe they would be more effective.
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Good idea! The 1" spacing would be better. Acoustic absorption occurs by slowing the speed of the sound vibrations in the air through friction in the panel structure. The goal is to ultimately convert all that energy into heat. The air particle velocity is reduced near the wall surface. Allowing it to pass all the way through, bounce off the wall, then pass into the panel structure again is considered to be nearly equivalent to using a 2" thick panel for less cost. That's the theory I was taught.
Tommy,
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I know the ceiling needs to be dark specially in the front of the room, does the same apply for the floor carpet?
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Dark carpet helps, too. Usually the screen ends up closer to the ceiling, so that's the first place to consider a dark color. Since the carpet is fuzzy, less light will reflect from a lighter color. It's also advisable to use felt type pad vs. foam rubber. The felt has better sound absorbing properties than foam. Some people use a lighter color of carpet in the room and place a dark area rug in front of the screen.
Best regards and beautiful pictures,
Alan Brown, President
CinemaQuest, Inc.
ISF, THX, SMPTE, CEDIA
"Advancing the art and science of electronic imaging"