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Church System Design

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Ben Williams
Church System Design
on May 26, 2009 at 10:07:09 pm

Hi All,

I am an audio guy attempting to become somewhat proficient in video.. I'm working on designing a system for a church. While I am familiar with some of the formats and equipment out there, and am comfortable with signal flow, I want to bounce this off of the true experts to see what you come up with..

Sources are as follows:

3 cameras (1080P)
DVD Playback (upscaled to 1080p)
2 PC's (RGB)

Output buses are:

Front Sanctuary screens (will have to be scaled down)
Rear Samctuary screen (will have to be scaled down)
Narthex monitors (1080 p, also serve digital signage function)
In house CCTV monitors (1080p, Sunday school rooms, choir room, etc..)
HDV recorder (archival, 1080p) + DVD recorder (scaled down, for weekly distribution)

The trick is that the outputs need to be capable of displaying different combinations of sources based on what is going on in the service. Most of the switching equipment I'm familiar with (that is, equipment that is feasible budget-wise for a church with a 1400-seat sanctuary) is set up for one output bus only or a main and preview bus.

The first thing I did was to attempt to think of all the possible of routing scenarios that would be needed:

http://www.essentialaudioinc.com/video_scenarios.pdf

I then attempted to think through what the signal flow would look like with individual components:

http://www.essentialaudioinc.com/video_signal_flow.pdf

I am envisioning 2 "stages" of control, the first being the camera switcher and the second being some sort of control device that recalls presets on multiple device. Seamless transitions matter for the front sanctuary projectors and recording but not for the other outputs.

Thought about going HD-SDI but a manufacturer talked me out of it for this scenario. Looking at sticking with RGBHV. Want to be sure to minimize video delay for IMAG.. Cameras are not gen lockable..

What products would you recommend to accomplish this? To give an idea of budget, I have been looking at the Panasonic AV-HS400A for the camera switcher and Kramer/Extron level stuff for the rest. Definitely do not have the budget for a large-format broadcast-style switcher but do want quality. Is there a single box solution capable doing the routing seamlessly? Thanks for the help!!



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maurice jansen
Re: Church System Design
on May 30, 2009 at 8:08:45 pm

hi there

maybe have a look at the echolab Atem.

greet
Maurice


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