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TOPIC: Concrete Screens

Concrete Screens 03 Apr 2006 12:43 #29027

  • jacker5
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Have you ever heard of this. The theatre (A Twin) I was at this weekend had Concrete screens. Beleive it or not they play very well and look fine. They were just a lil high up but great picture quality.
I would of never known.But the owner pointed it out to me.
Low matience just have to flick spitballs off once in a while and hose it down. But no rips or wear. Just paint every year.
What are your views on that, casue I was blown away.
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Re: Concrete Screens 03 Apr 2006 17:05 #29028

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Speakers should really be behind the screen. That rules out Concrete or Drywall screens. Anything less is such a compromise that it isn't worth the risk of alienating the public that comes to your theatre.

In 20-years of running a theatre, I have only had one screen ripped. Everything else was washable.
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Re: Concrete Screens 03 Apr 2006 20:15 #29029

  • ecorche
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Interesting, I've never heard of concrete screens. I would have thought there would be acoustic issues with the concrete surface. Also, while not subject to rips, I'd think there would be long term issues like cracking, discoloration, and dimpling, as you normally see with aging concrete.
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Re: Concrete Screens 03 Apr 2006 23:08 #29030

  • Ken Layton
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And just where are the speakers located?
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Re: Concrete Screens 04 Apr 2006 00:51 #29031

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Can't speak for all, but mine are located directly under the screen, and I defy anyone to watch a movie and find fault with the sound source location: your MIND tells you the dialogue is coming out of the actor's mouth, just as it does on your Big Screen TV... It goes without saying the speakers can't be 50 feet away, but 3 or 4 feet DON'T lose the illusion, the actor's mouth isn't ALWAYS in the center of the screen anyhoo...

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Re: Concrete Screens 04 Apr 2006 02:01 #29032

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The speakers were surround stage with the center in front under the screen and along the sidewalls.
The screen was up higher than usually a screen is but the sound (surround stero) was good and no real issues.
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Re: Concrete Screens 06 Apr 2006 20:11 #29033

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I talked to dealer and they said that new screens can be placed in front without losing any space and be larger and have a richer picture!
Man this theatre has issues that need to be resloved!
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Re: Concrete Screens 10 Apr 2006 13:52 #29034

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You might be able to "get away" with speakers above, below, or to the sides of a SMALL solid wall screen, but sound "placement" does become a serious issue for larger screens and closer seating distance.

Unlike audio recordings, where the two channels may contain accurate phase information that allows the mind to "synthesize" sound placement with only two speakers, a movie soundtrack often is not mixed with this in mind, requiring at least three and sometimes five channels behind the screen to fully "place" the sound.

John P. Pytlak, Senior Technical Specialist
Customer Technical Services
Entertainment Imaging
Research Labs, Building 69, Room 7525A
Eastman Kodak Company
Rochester, NY 14650-1922
Telephone: +1 585-477-5325 Cell: +1 585-781-4036 Fax: +1 585-722-7243
E-Mail: This e-mail address is being protected from spambots. You need JavaScript enabled to view it
Website: http://www.kodak.com/go/motion
John P. Pytlak, Senior Technical Specialist
Customer Technical Services
Entertainment Imaging
Research Labs, Building 69, Room 7525A
Eastman Kodak Company
Rochester, NY 14650-1922
Telephone: +1 585-477-5325 Fax: +1 585-722-7243
E-Mail: This e-mail address is being protected from spambots. You need JavaScript enabled to view it
Website: http://www.kodak.com/go/motion
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