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Zach Meissner
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Joined: 01 Feb 2013
Posts: 132
Location: Husker Nation aka Nebraska
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 Posted: Tue May 27, 2014 7:36 am Post subject: |
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I've learned a lot reading through your helpful tips here guys, I appreciate it. Jason, that  F is certainly an interesting read from a more scientific point of view, thanks for that.
It hadn't occurred to me about the back of the panel, the sound should still be able to travel 'through' it to absorb as much as possible and not be stopped by a piece of plywood as I was thinking.
Thanks again everyone!
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dwpthe3rd
Contributore Level V
Joined: 28 Feb 2010
Posts: 198
Location: Where palm trees meet pines
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| Posted: Tue May 27, 2014 9:00 am Post subject: |
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| Zach Meissner wrote: | | It hadn't occurred to me about the back of the panel, the sound should still be able to travel 'through' it to absorb as much as possible and not be stopped by a piece of plywood as I was thinking. |
Another interesting gear thread. When I treated my room (extra BR) I mounted panels a bit away from walls. Logic seems sound enters the front, passes through the panel to the 'air gap' behind, reflects off the wall and back for a second trip through the panel, doubling the thickness/effectiveness. It really knocks down my room reflections.
Dave |
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vkuehn
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Joined: 24 Apr 2013
Posts: 688
Location: Vernon now calls Wisconsin home
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| Posted: Tue May 27, 2014 9:31 am Post subject: |
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The context of this thread is probably a good place to repeat what has been said so many times, but if you have never been up to your shoe laces in sawdust on one of the projects, it goes in one ear and out the other.
People look at a room with these panels, and they begin planning one of their own, and what gets into the thinking sooner or later: "Boy, this is really going to reduce my noise level... with all this sound proofing." <insert>
I guess noise also bounces and reverberates to some extent, so if you stop your noise from bouncing, maybe it is reduced by a fraction of a smidgen.
If noise coming into your room from the outside is your problem, these panels we are describing are not your solution. That leaf blower down the street is still going to sound like an angry hornet in a bottle in your recordings even though you have ACOUSTIC panels. |
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dwpthe3rd
Contributore Level V
Joined: 28 Feb 2010
Posts: 198
Location: Where palm trees meet pines
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| Posted: Tue May 27, 2014 10:09 am Post subject: |
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| vkuehn wrote: | | If noise coming into your room from the outside is your problem, these panels we are describing are not your solution. That leaf blower down the street is still going to sound like an angry hornet in a bottle in your recordings even though you have ACOUSTIC panels. |
I concur totally. Sorry if my previous post was misconstrued. The sole purpose of my paneling is to reduce reflections within the room.
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Zach Meissner
Contributor IV
Joined: 01 Feb 2013
Posts: 132
Location: Husker Nation aka Nebraska
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| Posted: Tue May 27, 2014 10:10 am Post subject: |
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| vkuehn wrote: | The context of this thread is probably a good place to repeat what has been said so many times, but if you have never been up to your shoe laces in sawdust on one of the projects, it goes in one ear and out the other.
People look at a room with these panels, and they begin planning one of their own, and what gets into the thinking sooner or later: "Boy, this is really going to reduce my noise level... with all this sound proofing." <insert>
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+1 to this
Sound treatment is very different than sound proofing. I think I can speak for many of us who create these panels, we are dealing with sound reflections from the source - speaking into the mic - not external noises.
I'm going to offset my panels a bit and see what that does for the reflections, acoustics are a fascinating science to me.
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jordanreynolds
Contributor II
Joined: 26 Mar 2011
Posts: 58
Location: Los Angeles, CA
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| Posted: Sun Jun 01, 2014 1:15 pm Post subject: |
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| soundgun wrote: | | Yep, I've learned over the last 10 years that these tiny booths you work in have their own sets of rules that really are unique to VO. Adding more angles or diffusion in these tiny rooms isn't helpful at all. While I've mastered tuning VO booths, I'd never try to fool someone into thinking I can tune a control room or larger music recording studio with the same success. I learned a lot from late Mike Sommer, as well, that it's VERY hard to over-treat a small booth. To make any room in a typical house truly "anechoic" you'd have no room left to stand in there with 3' thick of treatment on the walls. |
I accidentally stumbled upon this thread, funny! I currently building my new booth with the awesome UltraTouch Denim. But, it does come in 3.5." Between my layers of double 5/8" drywall is 2 x 4 studs. So, the 3.5" denim will be placed there without compression.
However, inside my booth, I plan to treat my inner walls with for acoustic/sound absorption only. I will be compressing it a bit with tight fabric against the walls. I'll also be filling all corners with this as bass traps, but uncompressed.
I'll be shocked compressing the denim a little bit proves to be inadequate for a VO booth. I'll be sure to share my results!
And ditto to what George said. If found it nearly impossible to OVER-treat a VO booth, making it sound "too dead."
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vkuehn
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Joined: 24 Apr 2013
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Location: Vernon now calls Wisconsin home
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| Posted: Sun Jun 01, 2014 1:35 pm Post subject: |
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| jordanreynolds wrote: |
I currently building my new booth with the awesome UltraTouch Denim. But, it does come in 3.5." Between my layers of double 5/8" drywall is 2 x 4 studs. So, the 3.5" denim will be placed there without compression.
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Why???? Go back and read carefully some of the things that are part of this thread. People are telling us that the Denim product is good for acoustical purposes. Your plan to put some inside your booth... covered by fabric... sounds like a good plan for ACOUSTICAL treatment.
But inside the wall, between the inner and outer drywall material, between the studs... maybe you don't want fluffed up, loose, un-compressed denim. Here you are not doing acoustical treatment but blocking the transmission of sound. Isolation. If you are going to put the denim product there, maybe you want it packed tight enough to get TWO 3-1/2 inch layers stuffed in there. You want density. You want mass. Granted, putting a layer of denim in there will be better than leaving it hollow. |
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Lee Gordon
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Joined: 25 Jul 2008
Posts: 6864
Location: West Hartford, CT
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| Posted: Sun Jun 01, 2014 2:12 pm Post subject: |
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I think Jordan is using it exactly as it is intended to be used.
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Scott Lyle
Contributor IV
Joined: 27 Jul 2010
Posts: 109
Location: Greensboro, NC, home of the ACC
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| Posted: Sun Jun 01, 2014 2:22 pm Post subject: |
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Any thought to using Roxul Safe and Sound in the walls? It's at the home center, and fits between studs 16" o.c.
Good thread. |
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vkuehn
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Location: Vernon now calls Wisconsin home
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| Posted: Sun Jun 01, 2014 3:15 pm Post subject: |
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| Scott Lyle wrote: |
Any thought to using Roxul Safe and Sound in the walls? It's at the home center, and fits between studs 16" o.c.
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There are consultants in the acoustical world who can give us expert advice on when to use each of the popular products, but Roxul Safe and Sound and the Denim product and Owens-Corning 701, 703 and 705 fiberglass are all quite similar and no one goes to jail for picking the wrong one.
Each manufacturer publishes absorption ratings for each product and you can compare them.... if you know the likely results. The audio frequency where each product does it's peak performance varies some. Most of us don't know which frequency is most troublesome in our studio.... especially if the studio isn't built yet.
I used Roxul. Because I thought it was better? No. Roxul was available in my little Appalachian town. The other products were not. I made a monumental decision: A bird in the hand is worth two in the bush... or two in some other town. |
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Zach Meissner
Contributor IV
Joined: 01 Feb 2013
Posts: 132
Location: Husker Nation aka Nebraska
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| Posted: Wed Jun 04, 2014 7:56 am Post subject: |
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Here's some fantastic information for those interested in learning more about this. I found 3 videos from Primacoustics on youtube that give detailed test information, mostly in the 3rd video, that may be able to help as you build out your space. Specifically in regards to leaving an air space behind the panel. Hint, it makes a difference!
Part 1 How Much Do You Need - http://youtu.be/2C9Gb0Ar5Zk
Part 2 Where do you put it - http://youtu.be/Bfuuw9HBz_w
Part 3 Differences between materials - http://youtu.be/XXjz8D3DRNw
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