6 votes
Accepted

Getting audio from a Bell & Howell Filmosound 8 Projector

The projector you have is for use with the Bell and Howell model 450 cassette recorder. This projector has no optical or magnetic means of playing or recording sound. IN this system, which is a "...
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3 votes
Accepted

Why do one pixel wide lines look like a twisted ribbon on this DLP projector?

Since the pixel grid that the projector displays is a rectangular grid of rectangular pixels, how do you display something that isn't rectangular? Think about a pixel where the outline of the line ...
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  • 13.4k
2 votes

Projecting slides on a large screen from 40 feet

You'd probably want to look for the following characteristics: Min and max projection distance (from the data sheet, make sure the projector can focus correctly for the desired distance) Lumen (some ...
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  • 604
1 vote

Budget Mandalorian backgrounds

Update - this is the closest thing I've found, but you need to use Unreal and have a fast graphics card:
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  • 6,408
1 vote

Filming with projector

This is tricky to solve with a single camera shot - your projector probably needs a darkened room to get decent contrast. You need to balance the exposure as best you can between the speaker and the ...
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  • 6,408
1 vote

4:3 source going to a 16:9 projector

our existing 4:3 song slides (1024x768) The real resolution of a slide depends on the program and file format they are in. If the slides are in PowerPoint or similar, they have no native resolution, ...
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  • 1,055
1 vote

Projecting slides on a large screen from 40 feet

The lumens of the projector is the primary indicator of how bright it is. Contrast ratio is also significant for determining how dark the dark pixels will be when bright pixels are bright, but a lot ...
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  • 19.2k
1 vote

Getting audio from a Bell & Howell Filmosound 8 Projector

the previous post is essentially correct as I've used this filmosound8 system a lot in the past. do you have the original recorded cassette tapes, they're about 5 minutes long, to go with the 50 ft. ...
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1 vote

Camera-projector installation and reducing projector feedback

If you place an IR-blocking filter in front of the projector and a IR-pass filter in front of an IR-sensitive camera and illuminate your objects with IR light, then the camera will see nothing from ...
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1 vote

Projection mapping as an external display for a computer

Youre likely going to have a tough time accomplishing this without the right toolset. Im not aware of any opensource projection mapping software that could accurately output a signal to a projector ...
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  • 2,457
1 vote

5 channel video installation

A Macbook pro would be about the most expensive device you could possibly use as a playback machine, but I'm guessing you didn't buy them for the installation… There are several devices that are ...
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  • 13.4k
1 vote

Making video content for 30' x 10' 3:1 Widescreen

Since the resulting projected image is 3240 px wide, that's the size you should create. Then output two "halves" -- the leftmost 1920 px, then the rightmost 1920 px. There will be 600 px that appear ...
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  • 4,654
1 vote

What is the most user friendly projection mapping software?

If the venue uses Christie Projectors; I believe the projection mapping development kit is free (for Christie Owners/Registered Units). I owned 2 HD 10K-M Christies for a while; and the projection ...
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  • 2,457
1 vote

What is the most user friendly projection mapping software?

I'd hate to answer my own question, but just wanted to share what I found in case anyone else is interested. PaintingWithLight has a feature rich demo that is very beginner friendly, and only costs a ...
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1 vote

How to display a video on different wall sections only?

With even the most simple projector, if part of the image is black, then nothing will be projected at that point, so why not set up your image to be: |(canvas1)| blank space |(canvas2)| blank ...
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  • 2,293
1 vote

VGA Splitter Switch?

You didn't specify keyboard, but sometimes it can be useful to switch USB along with the VGA signal. For this you'd want a KVM.
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