Commercial Integrator February 2023 - 19
Full HD routinely wows clients who have large-scale auditorium, theater and event-space deployments. But it's incumbent on consultancies
and integrators to present their clients with budget numbers so they can make educated decisions on what to invest in.
distance, the perceptive pixel density is
around 14.3 pixels per inch, " Pedersen
explains. " Applying that pixel density to a
3840x2160 image creates a screen that is
roughly 22 feet wide by 12.5 feet tall. " The
impracticality of a hypothetical application
like that is one reason, at Iowa State, Pedersen
and his team focus more on ease of integration,
reliability, customer support and
price than on chasing higher resolutions.
Taub describes the utility of ultra-HD displays/content
to relative viewer distance,
saying that, for a 4K display, the optimal
viewing distance is 1.5x the screen height;
meanwhile, the optimal viewing distance
for 8K is 0.75x the screen height. " Beyond
that distance, fine-edged details begin
to blend together because the human
eye can't discern individual pixels, " she
explains. This echoes observations from
Mechdyne's Peterson, who mentions live
events that feature big LED walls. Drawing
on his own experience, he says, in most
cases, the pixel pitch only goes down to
about 2.6 millimeters. " The reason is, when
the first row of your audience is 30 feet
away from your LED panel, you don't need
it any better than that, " Peterson explains,
saying a 1080p image looks beautiful from a
distant viewer's vantage point.
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For a 4K display, the optimal viewing distance is 1.5x the screen height; meanwhile, the
optimal viewing distance for 8K is 0.75x the screen height. Beyond that distance, fineedged
details begin to blend together.
Where Ultra HD Works
Naturally, though, none of this is to say that
ultra HD doesn't have lots of ideal applications.
Peterson says, a few years ago, his
firm Mechdyne, which frequently works
with visualization engineers, encountered
a client whose team expected to be one
foot away from the videowall. " He wanted
a tiled wall of displays with the highest
number of pixels per inch he could get, "
Peterson explains. " He wanted to be able
to be right next to the display, look at it and
then physically walk from that one to the
next one to compare images side by side. "
In short, he says, the larger the image, and
the closer the viewer will be to it, the more
compelling the value proposition for ultra
HD will be.
FEBRUARY 2023 Commercial Integrator
19
PHOTOS COURTESY OF HEWSHOTT.
http://www.commercialintegrator.com
Commercial Integrator February 2023
Table of Contents for the Digital Edition of Commercial Integrator February 2023
Commercial Integrator February 2023 - Cover1
Commercial Integrator February 2023 - Cover2
Commercial Integrator February 2023 - 1
Commercial Integrator February 2023 - 2
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Commercial Integrator February 2023 - Cover3
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