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The Timelapse Theatre - Planning n' Build Log - Page 4

post #91 of 1281
Why does part of the stage get filled with sand and the other part insulation ? Is the difference what the speakers are standing on ?
post #92 of 1281
Thread Starter 
Quote:
Originally Posted by HFGuy View Post

Why does part of the stage get filled with sand and the other part insulation ? Is the difference what the speakers are standing on ?

In my case, yes, the difference is that I will only have speakers on the rear portion (behind the screen). Opinions vary on whether you should fill the entire stage. I opted, quite wisely if I do say so myself, not to lug another half ton or more of sand into my basement to fill areas of the stage that will not be beneath speakers.
post #93 of 1281
Quote:
Originally Posted by jdanforth View Post

Thanks for the tips! I'll check those places out!

Last night I installed spikes in the bottom of the Meridian DSP 5000s and put them up on the stage.

Warning: Audiophile Language and Superlatives Ahead
I was so pleased by the sound from the speakers up on that stage! I'm willing to concede that some of the pleasure is psychosomatic having thrown so much blood and sweat into the stage project but WOW! I thought that the bass was tight and sudden with a visceral impact. The mid range was still muddy, of course, due to the lack of treatments in the room but the imaging was surprisingly good. I had a strong emotional reaction to various pieces of music that I fired up... the old classic favorites and demo pieces that I know so very well. It was enough to encourage me to keep up the good fight in making this room awesome.
[Audiophile Gushing Ends]

On a more practical note I did notice sound from the main water drain in the closet in the back of the room. I knew that the water drain would be audible but I hadn't been in the room without power tools running to hear it! I'm going to replace or sand-fill the door to that closet and add layers of linacoustic to the interior of the closet to absorb that noise... eventually.

uhoh!

Audiophile, tight and visceral bass.....

*facepalm*
post #94 of 1281
Thread Starter 
Quote:
Originally Posted by NicksHitachi View Post

uhoh!

Audiophile, tight and visceral bass.....

*facepalm*

LOL! Hey, I warned you! Maybe I should have put SPOILERS tags around that or something!

Whenever I feel the need to describe an audio system it always reminds me of this from Top Gear: The Cliché Swear Box. We should have an audiophile version!



post #95 of 1281
Thread Starter 
Quote:
Originally Posted by NicksHitachi View Post

uhoh!

Audiophile, tight and visceral bass.....

*facepalm*

By the way, did you solve your projector vibration problem to your satisfaction? I was wondering about that for my own projector. Mine will have to contend with shaking from people walking upstairs AND (tight, visceral) bass.
post #96 of 1281
Quote:
Originally Posted by jdanforth View Post

(tight, visceral) bass.

Yeah it settled down. I moved the subs and distributed them around the listening area. Originally they were all on the front wall behind the screen wall, after moving two out to the outside and two to the back wall, the shaking stopped. originally all the woofs were really close to the front wall which I think just got to resonating when all there together. After spreading them out the response got smoother and the shaking stopped.
post #97 of 1281
Thread Starter 
Stage Construction Mumbo Jumbo
My 1/2" router collet came in on Tuesday so I set to work cutting the excess OSB off of the top of the stage. I used a massive 2x1/2" flush trim bit and followed the curve of the stage's top step exactly. It worked much better than I thought it would but it wasn't a perfect job. If I weren't going to put padding and carpet on top of it then I would be seriously annoyed!

I have added a couple of things to my "things I wish I'd do differently" list:
1. use a thicker material on the front of the steps. The material I used flexed a little bit when I was following it with the flush-trim bit.

2. make sure that both layers of OSB on the top step overlap the bottom step 110%. By cutting the step profile flush I was able to have the top layer drop right into place along the curve of the bottom step. Unfortunately there was only one layer (so I still have to cut another one) and it didn't cover the entire step anyway.

Now that I've cut the decking for the top of the stage I'm going to cheat. I'm going to carefully measure the bottom step and then CNC cut the decking for it. I should have done this for the top from the start... After I install the bottom step's decking I'm going to tack 1/2" strips of wood to the edge and then route a roundover profile.

Acoustics Mumbo Jumbo
My wife had a great idea when we were chatting about the theatre. I was bemoaning the slap echo and the installation of absorption around the perimeter of the room. My wife suggested that we install floor to ceiling acoustic panels spaced appropriately rather than covering the bottom perimeter in absorber and fabric and then covering the upper drywall perimeter in fabric only. The latter option has always sounded attractive to me but it also seems like a whole ton of work and material.

So we were thinking about building some, say, 4x6 foot frames, filling them with OC703, and covering them with prints from Spoonflower. The idea, of course, comes right out of the DIY Custom Printed Movie Poster Acoustic Panels thread. I like that this makes the room fairly easy to customize down the road. I have a huge library of photography that I've shot over the years that would look amazing in that large format.

To expand on the idea, however, I was thinking about putting these frames on a track of some kind so that I could change their position if I needed to. Good idea? Bad idea?

Off Topic Videography Mumbo Jumbo
I have been dutifully recording video the entire time while I've been working on the stage but I'm not going to edit it down until the stage construction is finished. Maybe next week... I just bought Final Cut Pro X yesterday and it is actually very good. I have been using iMovie '11 and it does most of what I want but FCPX is so much faster and more powerful. I've also decided to upgrade my time lapse equipment so I've ordered a proper bulb-ramping intervalometer for my Canon 7D. The quality out of the 7D is heaps better than the GoPro!
post #98 of 1281
Quote:
Originally Posted by jdanforth View Post

bulb-ramping intervalometer

OMG that one has a flux capacitor and runs at 1.21Jigawatts!!!!
post #99 of 1281
Quote:
Originally Posted by NicksHitachi View Post

OMG that one has a flux capacitor and runs at 1.21Jigawatts!!!!

Only at 88 mph

Keep up the good work, and keep the posts coming. If I am any indication, there are plenty of people following along that don't post very often!
post #100 of 1281
Quote:
Originally Posted by NicksHitachi View Post

OMG that one has a flux capacitor and runs at 1.21Jigawatts!!!!

Wh- What the hell's a jigawatt!?!?
post #101 of 1281
Thread Starter 
Quote:
Originally Posted by J_P_A View Post

Only at 88 mph

Keep up the good work, and keep the posts coming. If I am any indication, there are plenty of people following along that don't post very often!

Thanks! It feels like I'm talking to myself sometimes but I know all too well from lurking in other threads how much I enjoy sitting back and watching the plan unfold!
post #102 of 1281
Thread Starter 
Quote:
Originally Posted by NicksHitachi View Post

OMG that one has a flux capacitor and runs at 1.21Jigawatts!!!!

Nah, I can't afford THAT model!
post #103 of 1281
Thread Starter 
I made a lot of progress this weekend (video coming shortly). I managed to finish installing the decking on the stage but I still have to put on the bullnose trim. I'm planning to do that this week during the evenings. I'm taking next week off from work(!!!) and I really want to make great strides in the room. I'd like your input on What should I do next?.

Things (I can think of right now) that I have left to do in no particular order:
  • Install bullnose trim on stage
  • Run low voltage wiring to front of room (speaker, CAT6, aux video inputs, etc.)
  • Rewire overhead light circuits (9 cans dimming in 3 zones but running in the wrong direction)
  • Build screen wall
  • Build raised platforms for L,C,R speakers
  • Frame in the rack closet
  • Add mass to two hollow-core doors (closet & top of stairs)
  • Install screen-wall acoustic treatment (Linacoustic)
  • Run rear/side speaker wiring
  • Install projector mount blocking

This is just the stuff I could think of real quick this morning... I'm open to suggestions, of course! What do you think I should do on my big week off of work?
post #104 of 1281
Thread Starter 
I have been thinking about getting the Panasonic PT-AE7000. I was wondering if anyone had experience with an acoustically transparent screen that is compatible with 3D projectors. I have been thinking about the Seymour AV screen but it doesn't specifically say anything about 3D.
post #105 of 1281
Thread Starter 
I can see that I'm not going to get any thread love unless I give you....

ANOTHER VIDEO!


post #106 of 1281
Awesome video my friend! I'm sure the posts will come pouring in now

As far as what to do next, it's a little hard to make a suggestion without actually being there to se how involved each step will be. However, I would probably try to pick out the item that I'm looking forward to LEAST, and/or will take the longest, and get that done. If you can get the parts finished that require the most time you can pick up the rest afterwork and on the weekends. Just my $0.02
post #107 of 1281
Nice job! I keep expecting a big "TA-DAAAAA!!" after each video though, ya know, kinda like a magic show.

Keep up the good work, I'm excited to see the 'waffle walls' come to life!
post #108 of 1281
Looks like you're hard at work! Thanks for the video.
post #109 of 1281
Thread Starter 
Quote:
Originally Posted by J_P_A View Post

Awesome video my friend! I'm sure the posts will come pouring in now

As far as what to do next, it's a little hard to make a suggestion without actually being there to se how involved each step will be. However, I would probably try to pick out the item that I'm looking forward to LEAST, and/or will take the longest, and get that done. If you can get the parts finished that require the most time you can pick up the rest afterwork and on the weekends. Just my $0.02

That's good advice, thanks. I have been thinking along similar lines but often substituting "most messy" for "looking forward to least."

I think that I will start by scraping the popcorn off the ceiling next, actually. I think it will be easier to maneuver around before the screen wall is in place. I might even paint the portion of the ceiling over the stage black before I build the screen wall too.
post #110 of 1281
Thread Starter 
Quote:
Originally Posted by HDvids4all View Post

Nice job! I keep expecting a big "TA-DAAAAA!!" after each video though, ya know, kinda like a magic show.

Keep up the good work, I'm excited to see the 'waffle walls' come to life!

Thanks! Maybe I'll do that TA-DAAA at the end of the epic feature film version. I have grand vision of a 1080p 2.35:1 final product. At this rate, even at 60 frames per second I have over ten minutes of footage and I've barely begun!

I'm mastering all of this in 2K (or thereabouts) so maybe by the end of this thing it really will look like magic!

And the waffle walls are going to wind up being more ceiling than wall now... heh
post #111 of 1281
Thread Starter 
Quote:
Originally Posted by tony123 View Post

Looks like you're hard at work! Thanks for the video.

If I only would spend as much time in the theatre as I do on the videos! How was your trip to ATL this weekend?
post #112 of 1281
Quote:
Originally Posted by jdanforth View Post

Here's my latest vision of the ceiling. Same concept but darker color.



The current thinking is that the slats will be mounted to unistrut which is mounted to the ceiling joists right through the existing drywall ceiling.

that - is - AWESOME!
post #113 of 1281
Trip was good! Check out my thread for a few photos.
post #114 of 1281
Thread Starter 
Quote:
Originally Posted by pinstripes View Post

that - is - AWESOME!

Hehe, yeah but it remains to be seen if I can pull it off! Luckily I have unlimited access to large CNC machines! You should come over for the big painting party in a few months!
post #115 of 1281
Thread Starter 
"Hey, sweetie. I bought you a gallon of flat matte Mouse Ears. It's in the theatre."

...

What a woman.
post #116 of 1281
Quote:
Originally Posted by jdanforth View Post


Hehe, yeah but it remains to be seen if I can pull it off! Luckily I have unlimited access to large CNC machines! You should come over for the big painting party in a few months!

Somebody say Party? =)
post #117 of 1281
Thread Starter 
Quote:
Originally Posted by NicksHitachi View Post

Somebody say Party? =)

Sure! As soon as I get around to GroovyCeiling. And there will be much beer and joy. Just check out that cooler in my garage! I bought that for a big party it hold 225 cans or something preposterous like that.

I have a few questions about soffit construction. I am thinking about building a 10x10" soffit around the perimeter of the room for three reasons:
  1. Easy pathway for running wiring around the room
  2. Adding light to the room (4" wall-wash cans)
  3. Reducing the dimensions of GroovyCeiling (material reduction==cost reduction)

I made a mockup of my soffit based on this design I liberated from another AVS poster (I forgot who, sorry!):

Unlike that poster, however, I'm not planning on making the tray for uplighting.

I used 1/2" MDF and a standard furring strip. The dimensions look nice but I think that I need to change materials. I was wondering what you thought. Should I switch to 3/4" MDF? Plywood of some kind? (shudder) dry wall?

Also, instead of the furring strip I was thinking about switching to a plain 'ol 2x4 since I was having trouble screwing the MDF to the furring strip on its short edge.

Here's what I came up with. How do you like the profile and dimensions? Do you think that the 10" span on the bottom is sufficient for wall-washing using 4" cans?



In today's video we take a field trip to... (drumroll) MY GARAGE!

post #118 of 1281
Thread Starter 
Quote:
Originally Posted by BIGmouthinDC View Post

A lot of us have used 1 inch on portions of the side walls and double it where 2 inches is indicated like behind the screen. We pay $140 for a 100 ft roll of one inch.

Just so you know, coated side out.

I just realized that I didn't thank you for this answer to my question about Linacoustic. Thank you!
post #119 of 1281
I think the 10" might be tight. The further out the can is, the smoother of a wash you'll get. Also, are you doing columns? Have you considered the extra depth needed for them?

I think that drop down is further than most that I've seen. Do you have a reason for the depth? or is the skew of the camera throwing off the proportions? Not that it matters, it's really about what YOU feel looks good!

Oh, and you need a bigger garage! What is that? 8x10'?
post #120 of 1281
Thread Starter 
Quote:
Originally Posted by tony123 View Post

I think the 10" might be tight. The further out the can is, the smoother of a wash you'll get. Also, are you doing columns? Have you considered the extra depth needed for them?

I think that drop down is further than most that I've seen. Do you have a reason for the depth? or is the skew of the camera throwing off the proportions? Not that it matters, it's really about what YOU feel looks good!

Oh, and you need a bigger garage! What is that? 8x10'?

The mockup pictured is 10x10". That camera's lens is pretty screwy when it comes to accurate proportions... I'll have to remember that. Maybe that means I'll have to buy a new lens!

I don't have a problem moving further into the room. My wife and I were both concerned about coming down from the ceiling too much. I think that I'll raise that up a smidge and see what feels right. Maybe I'll try 14x8". Do you think that 8" will leave sufficient room for the can height? I haven't ever installed those things.

You asked about columns. I'm still not sure. I have floor standing rear and side speakers (the Meridian DSP 5000s) so I don't need columns for speakers. I know that they would add a... Je ne sais quoi... theatre feel, I suppose, but I'm not really going for the traditional theatre environment. The room will certainly be a theatre-style destination but more casual seating, no riser, etc. I'm curious to hear your opinion!

Oh, the garage... That half of the garage is shorter than the other one. I tried to pull my car into it (Toyota Avalon) once and the damn thing stuck out a foot or more! The other half of the garage is filled with woodworking equipment but, sadly, no table saw. The MIDDLE of the garage is filled with stuff that we intend to donate to various charities. The whole house is chaotic since we only moved in back in May. Baby steps. You can tell I have my priorities straight!
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