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Old 22nd June 2009, 08:00 PM   #1
thadman is offline thadman  United States
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Default emulating concert visuals with a LARGE format LED display, any technical advice?

I recently attended Bonnaroo and was absolutely blown away by the experience. I would like to emulate that atmosphere in a home environment. Achieving that goal audio wise should be pretty straightforward, however visual wise I'm a bit perplexed. I've thought about projecting images synced with the music onto a large format display (LCD/Plasma), but have never ventured into that domain. Any advice?

Here is an example of what I'm talking about, pay notable attention to the large screen present behind the artists (aforementioned effects >30 seconds)

http://www.youtube.com/watch?v=loYfEGqTm14

However, for mind-blowing results, something similar to MIT's tensor (LED wall) would be preferable due to its ridiculous brightness, but I'm not sure how to achieve that goal.

http://sub-zero.mit.edu/fbyte/ledart/tensor/

Click the image to open in full size.
Click the image to open in full size.

Does anybody have any experience with something similar to that or how much something like that would cost? Any advice or experience relating to that would be much appreciated.
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Old 22nd June 2009, 09:23 PM   #2
russo is offline russo  Portugal
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Looks like the winamp advanced visualisation studio (AVS) with some custom presets, but even milk drop or r4 will some similar or even better than that visualisation shown in the movie.
Just connect one big tv or one projector and its done
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Old 22nd June 2009, 10:59 PM   #3
thadman is offline thadman  United States
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Quote:
Originally posted by russo
Looks like the winamp advanced visualisation studio (AVS) with some custom presets, but even milk drop or r4 will some similar or even better than that visualisation shown in the movie.
Just connect one big tv or one projector and its done
A large format display would be very interesting. However, an LED panel is orders of magnitude brighter...almost to the point of sensory overload. That is the effect I'm interested in. If you've ever been to a NIN show (or something similar) you'll know what I'm talking about.
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Old 24th June 2009, 03:48 AM   #4
Pano is offline Pano  United States
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I ran LED video walls for years. There are, indeed, crazy bright.

If you want bright like that, you'll probably need plasma - LCD isn't bright enough. As stated above, just find a visualisation program and away you go. Used to do it with DLP projectors. Fun!
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Old 25th June 2009, 02:42 AM   #5
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http://www.ledtronics.com/products/P...px?WP=C204K447

Get ready to spend $$$ for enough to make a large panel, and plan on building your own microcontroller code to interface to it
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Old 25th June 2009, 03:49 AM   #6
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Quote:
Originally posted by motherone
http://www.ledtronics.com/products/P...px?WP=C204K447

Get ready to spend $$$ for enough to make a large panel, and plan on building your own microcontroller code to interface to it

Hey... you could build a 517" diagonal 1920x1080 HDTV display with 32,400 of those little tiles for only $808,056.00!

I used to date a woman that sold the large full color LED jumbotron type signs like all the casinos in Vegas now use. I recall they started North of half a million dollars.

Martin
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Old 25th June 2009, 05:34 AM   #7
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I keep debating on whether or not to buy 10-20 of them and make some sort of fun lo-res pixel-art type of display Or maybe a Daftpunk helmet...
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Old 25th June 2009, 11:57 AM   #8
Pano is offline Pano  United States
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Quote:
Originally posted by mhconley
I recall they started North of half a million dollars.
Correct! They do. And they are power hungry, too.
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