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Health Care System III
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Installation
Guidelines for setting up videoconferencing rooms
The following are a set of guidelines to consider when either building a videoconferencing room, or using an
existing room for videoconferencing.
Room:
- Should be located away from noise
- Should not have windows
- Doors should be located off camera - A “diamond”
shape gives best viewing angles, camera angles, and
can seat the most people.
Lighting:
Type Temp
Bright Daylight near equator 10 000K to 30 000K
Metal Halide Lamp 10 000K
Verilux Reptile Daylight 6 500K
Daylight White Fluorescent 6 300K
Verilux Full spectrum Fluor 6 280K
Verilux Reptile D-light 5 600K
Average Daylight 5 500K
Cool White 4 200K
Lite White 4 150K
3500K Fluorescent 3 500K
Warm White 3000-3200K
100W Light bulb 2 850K
Candlelight 1 900K
Source Intensity
Sunlight 30 000 to 100 000Lux
TV Studio 2000Lux
Average office 400Lux
By my Computer 600Lux
Moonlight 1Lux
Note: As measured with an incident light meter.
Lighting:
- Low Contrast desired for light intensity. No dark spots.
- Intensity @ table 800 - 1400 Lux as measured with an Incident lightmeter.
- Intensity @ back wall: minimum ˚ of that measured at table, Max ∫ of
that measured at table.
- Color temperature: Depends upon wall color and camera.
Typically 3200 - 3600 degrees Kelvin
- Block sunlight from entering room.
Seating Area (Table):
- Should allow all participants to see Monitors.
- Should allow camera to “see” all participants.
- Should allow participants to see each other.
- Should allow 3 linear feet for each participant.
- Non-shiny non-patterned preferably light grey surface (if table used).
Walls:
- Color: Depends on participants skin tones, cameras, and lighting.
Generally high contrast color desired . Light blue is commonly used.
- Acoustically reflective surfaces (such as glass or concrete) should be
covered with curtains or sound treatment.
Audio:
- Noise Floor Maximum 50dBC.
- Noise Floor preferred less than 44dBC.
- Reverb Time .3 to .5 sec.
- Absorption Coefficient .25 to .45.
- No flutter echoes.
Ventilation:
- Keep in mind Noise Floor.
- 300W (1024 BTU/HR) per person.
- 400W (1365 BTU/HR) for equipment.
- Intake and exhaust should be located near equipment.
- Velocity = Noise. Therefore keep velocity of air low.
Monitor Size:
- Optimal distance from monitor for viewing people is about 7.5 x monitor
size.
- Optimal distance from monitor for viewing documents is about 3.25 x
monitor size.
- Viewing Angle: 45 degrees off axis maximum.