Specifications

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An operator-controlled system is comprised of PTZ cameras,
a video switcher, camera joystick controller and a camera
preset recall system. In addition there are typically other
video sources, such as document cameras, video playback
equipment, computers and many more options for additional
sources.
There are many different situations where an operator-
controlled system would be a great solution.
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Government, such as a city council chamber or courtroom
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Corporate facilities such as training rooms or auditoriums
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College or university lecture halls
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Houses of worship
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Camera Positions
In most applications, there is a presentation area where a
person or group will be talking to an audience. In this type
of installation, at least one camera should be positioned on
the opposite wall of where the presenters will be facing. This
camera will allow for zooming in on the presenter that is
speaking to the audience.
Having a secondary camera in this same location allows the
operator to switch to a wide shot when the other camera is
moving from one presenter to another, or as a presenter is
moving to a different location within the presentation area.
Another option would be to have three cameras in the room;
one centered in the back, with two additional cameras on the
left and the right approximately 30 to 45 degrees to allow for
a variety of camera angles.
Other camera shots should also be considered, such as a
camera for capturing the audience.
Keep in mind the other options available, including specialty
cameras such as document or recessed cameras that may
be retracted into the ceiling or installed in domes.
2
Camera Distances
Measure the distance from the camera locations to the main
locations the cameras are trying to capture. This distance
will allow the user to determine what type of camera will be
best suited by using the Vaddio PTZ Image Size Calculator;
available on the Vaddio website www.vaddio.com/tech-center
3
Camera Selection
When selecting the cameras, you will select the type based
on the environment they will be used in. The main items to
consider would be:
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Determine if the cameras will be used in an image magnification
projector application.
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If this is the case, then high definition cameras are better suited
in order to achieve a detailed image on the large screen.
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What is the best quality image that the viewer is going to want
or need?
For example, if streaming video is the best quality, then
standard definition video will probably do the job. However,
if there will also be a need for a high resolution archive copy
of the same streamed content, then HD cameras will be a
better choice.
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Light Availability
If the room is dark and shadowy, a camera with a minimum
illumination of 4 lux or less may be required.
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Will you be following the presenter with a joystick or using
camera presets?
If you plan for a lot of tighter shots, make sure that the PTZ
camera uses servo or micro-stepper motors. If you plan on
using presets, PTZ cameras with direct drive motors will be
more than sufficient.
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Does the application require a camera operator using a camera
mounted on a tripod for following the presenter?
If so, place the robotic cameras at other locations where a
camera operator is not needed.
4
Additional Sources
What other sources will be required as part of the camera
control system?
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Computer - PowerPoint, website content
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Video playback DVDs, VCRs
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Stationary cameras such as document camera
5
Operator Considerations
When controlling PTZ cameras, you need to determine if the
application has a multi-person control room or a one-person
control room.
If a single person will be operating the equipment, then a
camera controller with an integrated video switcher such as
ProductionVIEW HD MV with TeleTouch monitors is a great
option.
If there are multiple people operating the equipment in the
control room area, then a stand-alone camera controller such
as the Precision Camera Controller is the best option.
Operator Controlled Systems
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