In Broadcast - March 2015 - 58

58

www.inbroadcast.com | Vol: 5 - Issue 3 | March 2015

InFocus

4K Is Here To Stay!
While there are still practical hurdles to overcome, the next generation in TV viewing is catching
on with virtually everyone, writes Contributing Editor Michael Grotticelli...

F

ollowing a myriad of transmission
tests, a variety of new and highly
affordable 4K compatible televisions
shown at this year's Consumer
Electronics Show (CES) and an
increasing series of new OTT service
launches in the past year alone, the
industry is bent on bringing Ultra High
Definition (UHD) TV to the masses,
whether they are asking for it or not.
At four times the resolution of
the highest quality high definition
(1080p/60 resolution), the term 4K
is used to refer to both acquisition
(4096 x 2160) and distribution (3840
x 2160 lines, also known as "UHDTV").
These large data files are unwieldy for
content producers and distributors.
That's why to date the only way to get
UHD into your living room is via an
IP connection to a video OTT service
like Netflix (which has been offering
movies in 4K for the past year). Using
a healthy amount of HEVC (H.265)
compression to get it there is the key.
At the CES conference in January it
was announced that shipments of 4K
UHD TVs are projected to reach four
million units in 2015, which would
be an increase of 208% over 2014,
according to the latest US Consumer
Electronics sales and forecasts study.
The study also predicted that a third
of consumers may purchase a 4K TV
within the next three years, while
44% said they are likely to purchase a
"smart" or Internet-enabled TV.
"4K UHD is our future, and the future
is now," Gary Shapiro, CEO of the
Consumer Electronics Association said
in a statement.
Perhaps even more telling, in
regards to 4K, when considering the
top features that will drive their next
television purchase, 27% of consumers
ranked 4K capability as the second
most important feature, followed by
picture quality (24%), a key benefit

of 4K UHD TVs. For more than half of
consumers (54%), price ranked as the
most important aspect to consider
when purchasing a TV.
Of course, a full slate of content
remains lacking, but these new UHD
sets can upscale 1080p content,
often making images look even better
(sharper, brighter) than typical HD
content.

Lack Of Bandwidth
However, bandwidth remains a
barrier to full adoption of 4K, both
in the home and internally within
Samsung's U9000
curved UHDTV can upscale SD and HD content
broadcast facilities. Most agree that
a 50 Mbps connection to the home is could be supported with 4K TV per Super 35mm sensor that can be "up
what's needed to adequately handle Telco distribution point. [G.fast for rezed" if required and a variety of
both video and a high-speed Internet UHD 4K TV was just approved by the models are now available, from the
connection, but according to the International
Telecommunication Sony F55 to the Blackmagic Design
National Cable Television Association, Union (ITU) in December and delivers Production Camera 4K to the GoPro
the current average American up to 1 Gbit per second (Gbps) over HERO4. The images vary in appearance
connection is about 7.4 Mbps. standard copper telephone lines.]
and so do the prices. The good news
That's less than half of the required
The typical infrastructure uses fibre is that there are cameras for every
bandwidth needed to stream 4K video. lines to deliver high-definition signals budget, even DSLR models from
Some content owners might not be - 200Mbps per four subscribers - Canon, Nikon, Panasonic and others
able to afford the bandwidth costs.
to a distribution that shoot in 4K and cost less than
Telco
operators
might
point close to 16 US$2,000.
be able to use their
subscriber homes.
Production switchers from Grass
existing twisted copper
From there G.fast Valley, Sony, Quantel (Snell), and
wires to get 4K into
delivers the UHD 4K TV others can now be purchased with the
the
home.
signal over capability to handle four HD streams
At the CES
s t a n d a r d simultaneously in a single frame.
conference,
copper lines Likewise servers from EVS, Harmonic,
a company
for the last Sony and others offer the ability to
from Ramat
400 metres send and record 4K files.
Gan,
Israel
(about 1,312
Extremely high frame rate camera
called
Sckipio
systems in tandem with slow-motion
Sony's F55 has been used for live feet).
sports 4K telecasts
Technologies showed a demo
servers from these companies are
of UHD content delivered to a 4K Purposeful Production
being used by major sports leagues
TV over the existing twisted-pair
For the production community, and broadcast networks, to capture
copper infrastructure of the local all types of 4K-compatible products and display highly detailed replay
telecommunication company. Sckipio, are now becoming available, from footage. This, for now, seems to be
which makes G.fast chipsets, claims cameras, to production switchers, to the only practical use of 4K images in
DSL cannot deliver UHD 4K TV, but servers. Most 4K cameras feature a broadcast.
its G.fast ultra-broadband networks
can over standard Telco twisted-pair
copper lines.
David Baum, CEO of
The GoPro HERO4 Black
Sckipio
Technologies,
Edition offers 4K30,
2.7K50 and 1080p120 said that 4K TV can be
video capture
delivered from Netflix
and other providers by
simply swapping out
consumers'
current
equipment
for
a
G.fast model. Up to 16
The Snell Kahuna 360 multi-format
production switcher can handle SD, HD, 1080p, and 4K sources seamlessly
concurrent subscribers


http://www.inbroadcast.com http://www.samsung.com/levant/consumer/tv-audio-video/television/uhd-tv/UA65HU9000RXTW http://www.sony.co.uk/pro/article/broadcast-professional-camcorders-pmw-f55-video http://www.snellgroup.com/products/production-and-master-control-switching/production-switchers/kahuna https://www.youtube.com/watch?feature=player_detailpage&v=qbbRY9z_bJE

In Broadcast - March 2015

Table of Contents for the Digital Edition of In Broadcast - March 2015

In Broadcast - March 2015 - Intro
In Broadcast - March 2015 - Cover1
In Broadcast - March 2015 - Cover2
In Broadcast - March 2015 - 3
In Broadcast - March 2015 - 4
In Broadcast - March 2015 - 5
In Broadcast - March 2015 - 6
In Broadcast - March 2015 - 7
In Broadcast - March 2015 - 8
In Broadcast - March 2015 - 9
In Broadcast - March 2015 - 10
In Broadcast - March 2015 - 11
In Broadcast - March 2015 - 12
In Broadcast - March 2015 - 13
In Broadcast - March 2015 - 14
In Broadcast - March 2015 - 15
In Broadcast - March 2015 - 16
In Broadcast - March 2015 - 17
In Broadcast - March 2015 - 18
In Broadcast - March 2015 - 19
In Broadcast - March 2015 - 20
In Broadcast - March 2015 - 21
In Broadcast - March 2015 - 22
In Broadcast - March 2015 - 23
In Broadcast - March 2015 - 24
In Broadcast - March 2015 - 25
In Broadcast - March 2015 - 26
In Broadcast - March 2015 - 27
In Broadcast - March 2015 - 28
In Broadcast - March 2015 - 29
In Broadcast - March 2015 - 30
In Broadcast - March 2015 - 31
In Broadcast - March 2015 - 32
In Broadcast - March 2015 - 33
In Broadcast - March 2015 - 34
In Broadcast - March 2015 - 35
In Broadcast - March 2015 - 36
In Broadcast - March 2015 - 37
In Broadcast - March 2015 - 38
In Broadcast - March 2015 - 39
In Broadcast - March 2015 - 40
In Broadcast - March 2015 - 41
In Broadcast - March 2015 - 42
In Broadcast - March 2015 - 43
In Broadcast - March 2015 - 44
In Broadcast - March 2015 - 45
In Broadcast - March 2015 - 46
In Broadcast - March 2015 - 47
In Broadcast - March 2015 - 48
In Broadcast - March 2015 - 49
In Broadcast - March 2015 - 50
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In Broadcast - March 2015 - 54
In Broadcast - March 2015 - 55
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In Broadcast - March 2015 - 58
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In Broadcast - March 2015 - 60
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In Broadcast - March 2015 - 63
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In Broadcast - March 2015 - 68
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In Broadcast - March 2015 - 71
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In Broadcast - March 2015 - 75
In Broadcast - March 2015 - 76
In Broadcast - March 2015 - 77
In Broadcast - March 2015 - 78
In Broadcast - March 2015 - 79
In Broadcast - March 2015 - S1
In Broadcast - March 2015 - S2
In Broadcast - March 2015 - S3
In Broadcast - March 2015 - S4
In Broadcast - March 2015 - S5
In Broadcast - March 2015 - S6
In Broadcast - March 2015 - S7
In Broadcast - March 2015 - S8
In Broadcast - March 2015 - S9
In Broadcast - March 2015 - S10
In Broadcast - March 2015 - S11
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