New loudspeakers & room digital correction service

[Celts88]

SwissBear

Gave a try taking the measurements, not sure if there good or bad (or more importantly, did I do the correctly)???
https://www.dropbox.com/sh/g3az7aigjf8de...3jC0a?dl=0

Hi Celts88,

Your measurements look very well done to me. The impulses are clean. Nothing to say. Congratulations on the measurements !
I noticed that you had only 8 measurements and not 9. Did you not make the sweet-spot ?
As far as presentation is concerned, it is probably easier for Thierry to manipulate one file with the 16 measurements labelled L1..L8 and R1..R8 inside it. Just open a new file, import (open) each measurement and rename it.

A few thoughts on your room if you allow me:

• you look to have a slightly elevated RT60 (reverberation). You might want to think about putting an acoustic ceiling or some sound absorbent
  
• in some places, you look to have reflections which can affect the sound you listen to:
  
  To capture this information, you need to look at the Energy Time Curve (ETC). You would not be happy to have reflections above -15db. On the right channel, you have one at -10db and 5ms, which means that the additional distance run by the sound is 5 x 0.340 = 1.7m compared to the direct sound. This might be the wall behind the speaker or a wall on the right of the speaker or the ceiling. You might want to put some absorbent there.
  
• Finally, you have probably noticed some loud resonance in the very low end of the spectrum.
  If this is a nuisance, and instead of installing ugly bass-traps, you can discuss with Thierry the possibility to put a brick-wall filter to not produce sounds below say 20Hz. Up to you.
  

Hope this helps.

SwissBear

 
Really appreciate you having a look at my measurements, and all the explanations (even if I don't really understand them  ).
 
Firstly, and unfortunately the easiest one to answer is that I won't be able to put any physical Acoustic fixes into the room. Where my hi-fi set-up is in the living room that is open when first entering the house and as such there's Buckley's chance of me being able to change anything without a divorce being on the cards (the Aussies will know what I mean by Buckley's - it's another way of saying 'not a hope in hell').
 
The roof in the room is part recessed, and as such no chance of being able to change this (again will just have to live with it).
 
Also unfortunately I am a complete beginner with this Room Correction stuff, and have never used REW (or any software) before. I really don't have any idea where you got the charts from (look really good, but still trying to get my head round what they mean).
 
I took 8 measurements as Thierry says on his website to do between 5 & 8, and the diagram is pretty random measurements (a bit like what I did, with no real logic behind them except the Left & Right ones always being in the same place). Also when you say about combining all the files into 1, do you mean to zip them, I had a look at REW and can't see how to combine all 16 measurements into 1 file. L1 & R1 are my sweet spot measurements, with 2 to 8 being taken randomly (with one each for Left and Right Speakers each).
 
Another big no no to surely a lot of people is that I normally sit offset from the middle of the speakers and have actually did the measurements with me being in the offset (1/3 to the left side of centre, i.e. 0.5m from the left speaker axis, and 1.8m from the right speaker). Would it be better if I did the measurements sitting exactly in the middle (not where I normally sit unfortunately)
 
Due to not being able to change anything physically in the room, and being a bit of a Luddite with Room Correction software, hence why I was really happy to see the options being given by Thierry. Will forward on your comment about putting in a brick-wall filter to not produce sounds below 20Hz
 
Cheers
John