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VO-BB - 20 YEARS OLD!
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Mike Sommer
A Hundred Dozen
Joined: 05 May 2008
Posts: 1222
Location: Boss Angeles
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 Posted: Tue Mar 30, 2010 8:45 pm Post subject: |
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It's done. We've been putting the final touches on everything.
We've had some technical difficulties with gear, along with working out the tuning of the room, and the endless list of finishing touches that come with such a build.
We've had to order a new preamp, so we've been using a hissy Presonus. It's not bad, but it's not great either; nothing a little tweaking in post can't take care of.
The booth sounds really good, though I'm adding some treatment to the door- just because, and a 2x2 foot gobo that will sit between the mic and the booth glass- I found that it put a little more focus in Marc's voice.
More pretty pictures coming soon along with some sample files.
UPDATE:
Here is a very quick hit and run read; steeped in the booth leaned into the mic and did it- I didn't even swallow before I started. Yeesh!
There is hiss from the preamp, but over all the room sounds pretty good.
http://www.megaupload.com/?d=5JV7B6E0
New preamp order should be here next week and I'll get the fine details worked out.
Added some treatment to the booth side of the door, not much just a little. And gave Marc a 2x2-foot gobo to set between the mic and glass, nothing fancy, but it should put more focus in his voice.
Because of some features that Marc wants in the booth and control room, he's finally understanding after a week of me telling him we can't do that with what you have that he's going to need a mixer more features and functionality to it than the cruddy backup mixer I lent him.
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Acoustics are counter-intuitive. If one thing is certain about acoustics, it is that if anything seems obvious it is probably wrong. |
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georgethetech
The Gates of Troy
Joined: 18 Mar 2007
Posts: 1878
Location: Topanga, CA
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| Posted: Mon Apr 05, 2010 12:56 am Post subject: |
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Sorry 'bout that bum 286a, guys. What a PITA.
Worked perfectly before I shipped to Marc. What's Marc replacing it with?
Might I recommend the Mackie 820i? Good pre, the simplest signal path possible, talkback, flexible routing, compact, cost effective...
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If it sounds good, it is good.
George Whittam
GeorgeThe.Tech
424-226-8528
VOBS.TV Co-host
TheProAudioSuite.com Co-host
TriBooth.com Co-founder |
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Mike Sommer
A Hundred Dozen
Joined: 05 May 2008
Posts: 1222
Location: Boss Angeles
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| Posted: Mon Apr 05, 2010 9:08 am Post subject: |
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Thanks George
That Makie is right up there on the mixer list, Along with the Soundcraft M4
But with the Soundcraft I'd need to build a talkback switch with a kill for the monitors.
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The Blog:
http://voiceoveraudio.blogspot.com/
Acoustics are counter-intuitive. If one thing is certain about acoustics, it is that if anything seems obvious it is probably wrong. |
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georgethetech
The Gates of Troy
Joined: 18 Mar 2007
Posts: 1878
Location: Topanga, CA
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| Posted: Tue Apr 06, 2010 10:45 pm Post subject: |
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I created a switchbox that kills monitors when your mic engages, and vice-versa. It's a pretty cool little gadget. It connects to the insert jack on the console, and has pass-throughs for the monitors, as well as 12v "on-air" light output that's triggered by a relay when you select the mic.
Basically, it's the missing part in a non-broadcast console that makes it more broadcast-y.
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If it sounds good, it is good.
George Whittam
GeorgeThe.Tech
424-226-8528
VOBS.TV Co-host
TheProAudioSuite.com Co-host
TriBooth.com Co-founder |
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scottreyns
Contributor
Joined: 29 Jan 2010
Posts: 35
Location: San Francisco, CA
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| Posted: Mon Apr 12, 2010 3:59 pm Post subject: Great case study |
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Mike,
This is a great thread. Much props for taking the time to post updates as you went through the various phases of the project.
I'm curious, it appears that while clearly not a basic rectangular or square space, the booth has some parallel walls. True? Either way, any thoughts on whether that has any bearing on the acoustics?
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Scott Reyns, voice talent serving major metros (San Francisco, Los Angeles, Chicago, New York) and beyond |
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Mike Sommer
A Hundred Dozen
Joined: 05 May 2008
Posts: 1222
Location: Boss Angeles
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| Posted: Mon Apr 12, 2010 7:41 pm Post subject: Re: Great case study |
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| scottreyns wrote: |
This is a great thread. Much props for taking the time to post updates as you went through the various phases of the project. |
Thank you so much for the kind words.
| scottreyns wrote: | | I'm curious, it appears that while clearly not a basic rectangular or square space, the booth has some parallel walls. True? Either way, any thoughts on whether that has any bearing on the acoustics? |
It sure does have a bearing on the acoustics. Unless you you have a rather expensive computer modeling program, non-parallel walls are almost impossible to predict how they are going to behave acoustically. Especially when you are dealing with a room under 1500 cubic feet. When you take a room out of square you can create more problems than it solves, and often the problems are untreatable.
With some designs, you'll get a very deep corner. And bass loves to terminate in corners; as a matter of fact bass lives in the corners. So what happens, sometimes, in very deep corners -like in a diamond shaped room- you'll get a deep null, because you're moving the bass closer to the center of the room. Just a nasty mess.
When you are dealing with such small spaces you have to kill the room anyway, because there's just not enough decay time. So even if you did have non-parallel walls you're still going to need absorption to kill the rooms echo and resonance.
Also when dealing with small booths, the need for space becomes critical. Just to understand what's needed to make an effective "non-parallel" booth; you'll need to move the wall out of square at a minimum of 1-foot for every 10-feet of length -each wall.
The only real purpose for having non-parallel walls is to eliminate "comb filter echo." Which can be dealt with quite nicely with 2 to 4 inches of rigid insulation on the walls.
I'd rather lose 8-inches of wall space, than having to lose 24-inches.
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The Blog:
http://voiceoveraudio.blogspot.com/
Acoustics are counter-intuitive. If one thing is certain about acoustics, it is that if anything seems obvious it is probably wrong. |
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asnively
Triple G
Joined: 17 Jun 2006
Posts: 3204
Location: Los Angeles
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| Posted: Mon Apr 12, 2010 10:02 pm Post subject: |
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That's fascinating!
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scottreyns
Contributor
Joined: 29 Jan 2010
Posts: 35
Location: San Francisco, CA
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| Posted: Tue Apr 13, 2010 10:53 am Post subject: Re: Great case study |
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| Mike Sommer wrote: | | Unless you you have a rather expensive computer modeling program, non-parallel walls are almost impossible to predict how they are going to behave acoustically. |
Agreed. I've yet to find an a that will work in demo mode while still allowing custom designs that can be saved (or even input at all)... One of these days someone should put out some modeling software on a subscription-based / pay-per-use model... or maybe that's just thinking w/ one's head in the cloud(s) ("ba-dump-bump"... sorry). 
| Mike Sommer wrote: | | With some designs, you'll get a very deep corner. And bass loves to terminate in corners; as a matter of fact bass lives in the corners. So what happens, sometimes, in very deep corners -like in a diamond shaped room- you'll get a deep null, because you're moving the bass closer to the center of the room. Just a nasty mess. |
Heh, interesting you mention that. I actually went the diamond shaped route for my vocal booth, partly to try to nail acoustics and partly to negotiate around where external objects would be on each side. I ran into that exact issue with bass in the back corner and had to add traps, which I did anticipate having to do, but I did have to get used to working in a pretty snug space.
It's great your build looks nicely spacious. Room to move a bit behind the mic (without turning one's head from it unless wanting to change the sound a lot as such) is always a good thing.
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