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PostPosted: Fri Oct 12, 2018 4:15 pm 
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Joined: Fri May 03, 2013 10:24 pm
Posts: 50
Location: Bratislava, Slovakia, EU
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Yes, length same as the poly. I think you'll need to go deeper than just 1cm. Try with whatever scrap pieces you have laying around right now,. Anything will do, even if not rounded. Just stick them on with bits of duct tape temporarily, to see if they have the desired effect.


I tried this with some quarter-round planks, that I glued together to form half rounds (4.5cm wide, 2.2cm deep). Here's the result:

BEFORE:
Attachment:
Without_planks_R.jpg


AFTER:
Attachment:
With_planks_R.jpg


The reflections are still there, they are just much smaller. Would rebuilding the polys to "d" or "e" curve help me to achieve significantly better results?

Martin


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PostPosted: Fri Oct 12, 2018 4:25 pm 
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Joined: Thu Aug 21, 2008 10:17 am
Posts: 11631
Location: Santiago, Chile
Let's see the actual MDAT... :)

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The reflections are still there, they are just much smaller.
Yup! So the concept is correct... maybe just not the dimensions... However, you did get a pretty good reduction there.


- Stuart -

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I want this studio to amaze people. "That'll do" doesn't amaze people.


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PostPosted: Sat Oct 13, 2018 1:32 am 
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Joined: Fri May 03, 2013 10:24 pm
Posts: 50
Location: Bratislava, Slovakia, EU
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Let's see the actual MDAT... :)


Of course - here you go...

There are 4 measurements: 2 for L and 2 for R speaker, both with and without planks.


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PostPosted: Thu Feb 21, 2019 7:55 pm 
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Joined: Fri May 03, 2013 10:24 pm
Posts: 50
Location: Bratislava, Slovakia, EU
I see the total count of the views is closing on 10.000 and I haven’t updated the status in a while. The progress slowed down a little as I had to go back to work after 4 months, but this is how the studio looked like at the end of the year:
Attachment:
front1.jpg

Attachment:
back1.jpg

Attachment:
left1.jpg

Attachment:
right1.jpg

I re-did the vertical poly diffusers to be of ‘D’-type curve:
Attachment:
poly-and-non-poly-cylindrical-buckled_end_constraints-shapes.jpg

This helped with the reflections I was dealing with in the previous posts.


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PostPosted: Thu Feb 21, 2019 8:00 pm 
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Joined: Fri May 03, 2013 10:24 pm
Posts: 50
Location: Bratislava, Slovakia, EU
In the meantime I started to work with Stuart on the digital tuning, as he agreed the room was treated well enough / was ready for this next step. I wanted to process with the tuning before finishing the room with the fabric in case there would still be some additional treatment needed.

In the process Stuart noticed there’s still some flutter echo in the room. After analyzing the room (read: clapping and jumping around ) I noticed these were the problem areas(red):
Attachment:
left1_areas.jpg

The green ones are OK, because these parts of the walls are angled.
Because the room is very small and the space is at premium, I decided to try dealing with the flutter and effectively using the space at the same time. Two horizontal diffusers, guitar cases, a bookshelf and a small combo amp strategically placed in the problem areas:
Attachment:
left2.jpg

Attachment:
right2.jpg

It worked quite well and there’s no flutter noticeable anywhere in the room now. At the same time it’s now furnished like I’d like it to be and I have everything I need close at hand.

Hopefully the end of digital tuning process is near and I'll be able to share the results.


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