Sony 2012 Annual Report Download - page 22

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Sony Leads the Evolution of 4K
Sony’s 4K digital cinema initiatives began in
response to the motion picture industry’s need for
digital technology that could match the texture and
quality of conventional film. Utilizing state-of-the-
art electronic devices is essential to attain quality
on par with or to surpass conventional film in terms
of resolution, color reproduction and exposure lati-
tude (reproducible exposure range). With in-house
development capabilities covering everything from
image sensors and display devices—crucial for bol-
stering image quality—to professional-use equip-
ment, Sony successfully developed a range of mov-
ie production equipment and a 4K digital cinema
projector, all of which have garnered high praise
from creative professionals.
4K Format’s Unparalleled Image Data Volume
Provides Vivid Viewing Experiences
The “K” in “4K” is derived from the format’s hori-
zontal resolution, which is approximately 4,000
pixels. More precisely, the 4K format’s resolution of
4,096 × 2,160 pixels—8.85 million pixels in total—is
the recommended standard for digital cinema by
the six major Hollywood movie studios. Compared
with Full HD (1,920 × 1,080 pixels, a total of 2.1 million
pixels), 4K provides more than four times the vol-
ume of image data, enabling faithful reproduction
of such fine details as brightness, colors and out-
of-focus background.
When projected onto the same sized screen,
each 4K pixel is one quarter the size of an HD pixel.
Since beautiful images can be reproduced right
down to the finest detail, picture coarseness is
eliminated even for those seated in the front row of
a theater, meaning the same picture quality may
be enjoyed from any seat in the house.
Furthermore, since par t of a picture can be
viewed in close-up as a high-resolution image, the
4K format has the potential to significantly expand
the application of digital imaging technology in
such areas as sports telecasts, security products
and medicine.
More than four times the resolution of Full D
4K
,02,10 pixels
（.5 million pixels）
1,201,00 pixels
2.1 million pixels）
Full D
Post-production
Acquisition &
Production
Theater
Filming
& Production
Viewing
F5 CineAlta camera
SR-R1000 SRMASTER storage unit
SRMemory
SRX-R320 digital cinema projector
VPL-VW1000ES 4K home theater projector
20
4K format