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-   -   Help! L-Shaped room Acoustic treatment (https://www.gearslutz.com/board/studio-building-acoustics/1297355-help-l-shaped-room-acoustic-treatment.html)

Frank GH 5th February 2020 06:26 AM

Help! L-Shaped room Acoustic treatment
 
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Hey Guys,

I did a lot of research in the forums but couldn't find a proper answer to some of my questions.

I've been trying and learning to mix my own music for a year now (I use headphones - Beyerdynamic DT 880 Pro) but after trying to mix my first track for the 5th time from scratch, when I play it back on other systems, it doesn't translate well, whether the Bass is too high or too quiet, the midrange is super high, and on some systems, it sounds muddy.

I realize that mixing with headphones is a terrible way of doing the job, so I decided to treat the room, buy a pair of studio monitors (Planing to buy Focal Alpha 65) and move on.

I plan to make some DIY acoustic panels and Bass traps with only Rockwool Comfortboard 80 (each bat is 1.5" thick) and Roxul Safe 'n' Sound 24" (each bat is 3" thick).

My problem is that the only place that I can work in is our living room (I attached the floor plan with all the details) and it's an L-shaped apartment. So with this shape, size and all the windows around me, I have no idea how thick should my Bass Traps and absorbers be, what to do with the windows and which part of the walls should be my focus?

I thought about making 8" thick bass traps with 2 layers of Roxul and one layer of Comfortboard to absorb as much as low frequencies as possible, is that too much?

if I make side panels, rear wall panels and clouds with the same thickness or 6" wouldn't it be better? cause it actually absorbs low frequencies as well? Or 4" is enough?

it's noteworthy that Ceiling height is 7'10"

Thank you everyone in advance for your help, appreciate it

johannburkard 6th February 2020 09:48 PM

Can you sit in front of the windows?

Please also don't build anything before you've measured your room.

Keep in mind effective acoustic treatment is deep so you'll lose space in the room. Maybe even a lot.

Frank GH 13th February 2020 03:16 AM

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Quote:

Originally Posted by johannburkard (Post 14516386)
Can you sit in front of the windows?

Please also don't build anything before you've measured your room.

Keep in mind effective acoustic treatment is deep so you'll lose space in the room. Maybe even a lot.

Hi Johann,

Actually I did more research and realized treating the living room with such an uncommon shape would be expensive and difficult, so I decided to use the bedroom (Floor plan attached) instead, although our bedroom is small with all the furniture inside.

but I haven't been able to find the answer to some of my questions and will appreciate it if you can help me.

1- I'm still not sure how many absorbers and bass traps I need and how thick they should be. I am thinking about 8" Bass traps with 8" to 10" air gap and 6" to 8" absorbers with 0.5" to 1" air gap for side and rear walls (Although most people use 4" thick panels, but I am worried about low-end absorption with those panels since they are not thick enough to absorb anything below 100HZ)
On the other hand, I know that getting thicker panels means more absorption which means it goes below 100HZ, but I don't know if these thick panels will be suitable given my environment.

2- I haven't bought a desk for the bedroom yet, but I thought the best place for it would be by the window to let some low end get out naturally. Is it a good idea?

johannburkard 13th February 2020 11:13 AM

Quote:

Originally Posted by Frank GH (Post 14529495)
1- I'm still not sure how many absorbers and bass traps I need and how thick they should be.

In a smaller room like this, room modes will be higher up which means that a measurement will tell you more.