I took each speaker individually then both together. Then you can see if one has an issue. I have a very non symmetrical room, and found the bass interaction of one of the speakers particularly lumpy!
There is a thread on the forum with my results
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Yes the standing wave would be for a symmetrical room so if it was 5.1m the expected peak would be around 34hz.
If feeling brave the waterfall graph is interesting.
My listening room is also a living room so couldn’t go absolutely rogue treating first reflection points which was sub optimal.
Hope your partner has a low waf as they say 
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Thanks Tapp
I have some minimal room treatment and may be able to add a little more and therefore trying to figure best placement of minimal treatment.
Had a quick look at waterfall and looks like some long decay times here and there but need to spend a bit more time analysing it.
Been reading through this thread with interest. I have obviously experimented with speaker and listening position but haven’t repositioned any furniture. I will try placing some rockwool bats behind the TV and take some measurements. I also have a large trunk to the side on one speaker which may be causing some resonance. Have tried some panels in front of TV which didn’t make much difference to the bass but did change the highs and mids a little.
Maybe I should start another thread on the process?
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A lot of good info in this short video by Tarun ( A British Audiophile)
Enjoy 
Peter
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Every heavily treated room I’ve heard has been a disaster. The music just dies. I have a friend who hired an acoustic specialist to design his room and it never worked. He spent close to half million dollars on the build and has spent the last 10 years trying to make it work. He admits it’s still a work in progress.
I agree with the video, speaker positioning is most important. Light treatments are ok. In the case of my room I used 4 Vicoustic wood wave panels behind my couch. The both absorb and scatter the reflections. It made for a more focused sound. I wouldn’t do anything else to the room.
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Can’t compete with your view Chris from your lounge listening space, but feel most welcome to come and give my room a listen. I promise you it is far from dead and killing the music ( I know where you are coming from though) ATB Peter
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As I’ve said before the most common complaint about acoustically treated rooms is that they kill they sound. With a bit of investigation its clear the cause is the wrong treatment in the wrong quantity in the wrong position.
Granted even acoustic specialist firms have their own likes / dislikes and ideas. So to treat a room to get great results takes a lot of time , research and effort.
But when done correctly the results are out of all proportion to the cost. My room is 21ft x 15ft x 9ft and has 40 GIK panels of full range , bass traps and diffusion.
Does it sound dead , no because for all intents and purposes the room has no sound.
Obviously a fully treated room is not possible or acceptable for most people but it just shows its not the tratment that is the problem , its the application thats the fault.
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Indeed a long haul ( mine took 18 months+) but how rewarding is it once you get there and for a minimal cost compared to the cost of our systems. ATB Peter
Did Thomas ever surface???
Sadly no Rich, I suspect he’s sat spinning a warm glass of Swiss glüwein in his hand listening to a relaxing piece of Classical through his Soulution 
Hope he’s ok Peter
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Indeed Peter and if he reads too much of the DCS thread he might just think that he’s better out of it! 
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I think it must be something else that keeps him away. Perhaps he has realised there are other things in life than Naim and padded listening rooms and just decided to get out more 
Possibly with COVID over he gets out to go climbing more or goes to concerts at the Victoria hall more with his wife and daughter. Let’s hope that’s the case
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But do not many Naim systems suffer from this to a certain extent and this is primarily what keeps people on the upgrade train?
I have been unable to see this thread for the past couple of days - strange
I know a couple of people were interested in my rew measurements so i have posted them on the (Quick REW question) Room measurements and analysis.
Que?
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Sorry I was slow to upload the photos. I’m referring to getting rid of the tables and possibly keeping the small rug in place
A weird one, sort of related to this post… has anyone tried to cup the ears when listening, with your hands? It does change the sound stage quite drastically for the better. I’m installing 2 more absorbers tomorrow behind me, so that should answer if it’s rear reflections or as simple as your hands rejecting the sound directly and in essence making your ears seem bigger. WARNING: Try it - you will look mad, but it is an amazing free upgrade. You will find that you keep doing it and then stopping to hear the difference and if anyone else is in the room will cart you off to the looney bin.
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Not far to go since you are already here 
I must confess I only dabbled with room acoustics in our previous place which was an odd shaped room 8m long. Solid walls and carpets. Low ceiling and quite narrow. Even so we had the luxury of choosing the listening position and got a much better sound than our current squarish room. Also large space behind so less reflections compared to here which has a large full size window
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