I have also covered the right wall with drapes to make it 'even' with the left wall which has a door covered with thick curtains. Have played with the rear speaker trims - and yes, they cannot exceed a certain volume, if they are too loud it will sound more like it is originating from the front.īTW I do not think it is the TV bouncing off unwanted sound waves as I have experimented by covering it with a thick blanket. voices, gunshots etc) will sound either they are coming from the front speakers or some omni directional 'god voice' (cannot pinpoint the origin)- now it is better but still not 100% solved. This issue is more prominent while playing games as positional audio becomes more important- with the old setup (higher rear speakers and sofa closer to the middle), any sound coming from behind (e.g. I am 100% positive the sources are discrete 7.1 - test source includes white noise generated by the amp level calibration tool. In the 4th picture you can see the cable casing in the shape of '7' on the wall at the left rear speakers - the top tip of the '7' was the original location/height of the rear speakers (the side and rear surrounds are always at the same height with each other). This is never my preferred room configuration - before this it was more aesthetically pleasing with the sofa located between 3/4-middle of the room and surround speakers higher with fronts and TV nearer to the front wall but so far this config gets me the best sound with the rears sounding more like 'rear' and better bass (bass is another whole long discussion but I think I am at a place where I'm happy with the current bass/sub sound).įor the low hanging surround speakers - they were 1-1.5 feet higher for a few years until a few months ago I re-arranged them to be more at ear level height, this helped the rear sound issue and also better separates the rears and corner ceiling (Atmos) speakers. For this setup I had to move the front speakers and TV about 2.5feet forward because the fronts and TV were too far from the seating position. Onkyo RZ900 (will be Denon X6400H soon I hope)Ĥx Polk Monitor 30 front and back Atmos height speakers (mounted on the ceiling corners, now only front height working as the RZ900 does not have enough channels to drive the rear height)Īs I mentioned - the farther the seating position is to the rear speakers (the more I move it towards the middle of the room), the worst the effect will be (as in the audio from rear speakers will sound more like it is coming from the front)- originally the sofa was almost in the middle of the room (6-7 feet away from the rears) and the side surround is slightly more forward- moving the the sofa nearer to the rear surround seems to lessen the issue. This has also been shared on AVS Forums (very helpful bunch but still nobody could provide a workable solution yet) I noticed the farther the listening position is from the rear speakers the more prominent the effect.Īs you can see from the pictures the room is decently acoustically treated and I have also tried putting temporary drapes on various places on the walls etc. This helps a bit where the effect is less but it is not 100% workable and I cannot move it any nearer to the wall for various reasons. So far the only positive results I got is by moving my sofa very close to the rear wall/speakers making it about 3.8feet away from the speakers. The speakers have been moved up/down/left/right as much as I can (as mentioned the door is preventing me to put it nearer to the corners), also tried pointing them to all directions. As you can see from the pictures- there is a door on the right rear side of the room giving me no choice but to put the rear speaker close to the center. I am almost sure it is a room acoustics/speaker placement issue and not something related to:įrom my browsing and response from forums this looks like a psycho-acoustic effect related to speaker placements (front rear reversal/cone-of-confusion effect) but I have tried to position the rear speakers the best I could. This has been going on for a few years with 3 receiver changes and 3 sets of rear surround speaker changes (I have also tried a set of bipoles without any positive result). I am running a 7.2 (sometimes 5.2.2 for Atmos sources) and the audio from the rear speakers sounds like it is coming from the front. I have been having this issues for years and still have not gotten an acceptable solution:
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