Help needed with measuring my room with REW

[Hifi_Naim_CNNL]

That will be very tricky since I live in an apartment. I am working on a plan for room treatment which you can find more information on this here:

The Listening Room Reality

In the attached pics you can see my situation. The wall behind the speakers I have 21cm that I can play with to make it in line with the wall to the right of it. So I was thinking to put to put 15cm of acoustic material (80kg/m3) and an air gap of 4-5cm in the parts I marked as 1 and 3. Perhaps some thinner, lower density acoustic material in the part behind the TV. Cover the frame with either acoustic fabric printed in the same color as the wall or with the wooden slats panels (wooden panels l…

The Listening Room Reality

To be honest I am not 100% sure what I’m after. I guess due to the many reflection points I would like the room to become slightly less lively with a lower reverberation time. Basically treat the room to get more out of my system but definitely don’t want it too sound lifeless as I got quite accustomed to a energetic sound. The very low bass can create a muddy rumbling effect sometimes which I would like to get slightly tighter. Previously I had the sofa further forward but then I was located…

The Listening Room Reality

This is what came out of a measurement with a starter shot. I also bought a mini DSP microphone so I can start measuring myself. The orange line is the measurement from my room. Some advice that I got: Create a wall sized aluminium acoustic frame behind the TV and cover this whole area with 12cm thick 40kg/m3 polywool with a 8cm air gap. The alu frame will be covered with fabric printed in the same color as the wall which is easily changeable. Wall left of speaker: Hang an acoustic painting 2…

And also a few posts below the third link.