Haha, thanks guys
For treatment, currently the room is stuffed with safe & sound insulation everywhere (all walls, ceiling, risers, stage, speaker platform behind the screen). The ceiling is dropped down about an inch from the joists above (the theatre is in the basement), so that helps the sound from travelling up. The room behind the screen where all the speakers are is fully covered with sound treatment and black fabric. When we made the room, we wanted it to both look good and sound good. I'm sure we could add treatments on the side walls for reflections, but its not like we *really* need them. There's also no space on the wall with the door to put them. The ARC system on the Anthem does a really good job of smoothing out the FR across the sweet spot (second row), so that also helps out sound-wise. If we were just going for pure sound, then I would put treatments in more places, but its perfect for us the way it is (just maybe some new subs) haha. AVS helped a ton when making it (I'm 'bleeker' on there).
So you have a LEDE room?
I'm trying to understand what small room acoustic model you followed for your home theater.
Looking at this link, easy to see visually the various small room models, it's 7 pages from the book "Acoustics and Psychoacoustics Applied"
http://eetimes.com/design/audio-design/4015907/Acoustics-and-Psychoacoustics-Applied--Part-1-Listening-room-design?pageNumber=0
That safe & sound insulation in the walls/riser/etc really does not affect your in room acoustics so much, rather the transfer of sound energy in/out of your room thru the walls/ceiling, and keep the stage/riser from resonating.
Knowing that for “best” audio/sound in a listening room, these parameters are tackled in prioritized order:
1. Speaker location, 2. Listener position, 3. Acoustic treatments, 4. Electronic correction.
Frankly, for me the best bang for the buck was the corner superchunk broadband bass traps, those helped flatten out the bass and modal ringing.
Something Audyssey/ARC other EQ just can't do by themself.
The sidewall/ceiling first reflection panels I added totally transformed the perceived soundstage, simply the room is much "bigger" now than before. Clarity, specific localization of sounds all increased.
fwiw, my Denon 4308CI has Audyssey XT, and it does wonders with the room.
I used my room for almost 2 years w/o the in room acoustic treatments, just Audyssey XT.
I got used to that and was satisfied, yet I read up on acoustic treatments and decided to take my HT to the next level.
Then after adding all the acoustic treatments from March 2011-Dec-2011, well worth the time and investment.
Acoustic treatments + Electronic correction is the best.
If your room layout is such that can't do the in room acoustic treatments, and you are satisfied, in the end though that's what matters.
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