classroom av on a budget maeds 2011 jim burkhart, it director coleman community schools
DESCRIPTION
Classroom AV On a Budget MAEDS 2011 Jim Burkhart, IT Director Coleman Community Schools. What You Can Expect. Disclaimers Our Classroom AV Needs Our solution with configuration details. Disclaimer. Building Code Other duties One method Unorthodox use of gear Prices subject to change - PowerPoint PPT PresentationTRANSCRIPT
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Classroom AVOn a Budget
MAEDS 2011Jim Burkhart, IT Director
Coleman Community Schools
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What You Can Expect
Disclaimers
Our Classroom AV Needs
Our solution with configuration details
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Disclaimer
Building Code
Other duties
One method
Unorthodox use of gear
Prices subject to change
ENO boards
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Why
Last year’s presentation
Ideal situation/funding
Real world, real solutions
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Problem
$54,000.00 in AARA funds
Do as much with it as you can
Planning Begins
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Planning
Start with projector, screen size, number of inputs, vendors, brands?
Gathered all the information
Borrowed and tested
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Planning
What do we want to see & hear?– PC with audio– VHS & DVD with audio– Cable TV & Channel One
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Planning
Where do we want to see and hear it?– Projection screen– PC monitor– Audio coverage throughout room
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Planning
What kind of space are we working with?– Drop ceiling– Fixed ceiling– Encapsulated Asbestos– Size and shape of room– Ambient lighting
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Planning
Ease of use– Can teachers figure it out?– Can the instructions fit on one page?– Can a substitute figure it out?– Is it safe?
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Planning
Longevity– Is this modular?– Can I replace individual components with
different brands/products?– Will the fancy features still be available?
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Planning
Two detailed solutions– Unobstructed drop ceiling– Fixed, encapsulated asbestos– Both with small windows on one side of the
room
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Planning
4:3 or 16:9– All PCs had standard monitors– Most classrooms had good 4:3 screens– Most projectors were native 4:3– HD was out of the question at the time
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Planning
Cable TV/Channel One– VCR was cheapest option– Separate DVD player and input
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Gear
Projector– VCR 1 Composite Video– DVD Player 1 S-Video (converted)– PC 1 VGA– Document Cam VGA Pass-through
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Gear
Projector– NEC NP series
2300 ANSI Lumens
4:3 native resolution, capable of HD
2 video inputs
1 VGA
1 DVI
– Kramer VGA DA for monitor
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Gear
Audio system– Constant Voltage System (70 volt system)
Flexibility
Inexpensive wiring
Easy configuration
Been around for many years
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Gear
Audio system– Crown MA 135 mixer/amplifier
Three separate audio inputs
Four knobs and one button clearly labeled
– JBL Control 24 and Control 25 speakersVery good coverage and quality for the price
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Wiring
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Wiring
Audio System– 1/8” to 2 RCA from PC to amp– 2 RCA to 2 RCA from DVD to amp– 2 RCA to bare wire from VCR to amp– 18 ga from mixer to speakers
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Wiring
Projector and Video– 50’ VGA to VGA from Kramer to Projector– 50’ S-Video cable from DVD player to
Projector (converted on DVD end)– 50’ BNC to BNC video cable from VCR to
Projector (BNC to RCA adapters on each end)
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Wiring
Getting wire to devices– Track, wire mold, in-wall???– Cable ties are the answer
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Wiring
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Wiring
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Wiring
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Ease of Use
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Flexibility
Easy to move
Modular
Does not rely on one set of features
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Cost Effective
Quality gear from a trusted vendor is better in the long run
We are always trying to save money in the long run
Time is valuable
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Vendors
Advanced Lighting & Sound– Greg Koss, Troy, MI
Alternative View– Tammy Blanchard, Midland, MI
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Discussion