In Broadcast - November 2015 - 27


27

www.inbroadcast.com | Vol: 5 - Issue 11 | November 2015

InStudio

Developments In OB Technology - Part I cont'd...
deep shadows to bright highlights.
Like Dolby, the RED solution meets the
SMPTE 2084 standard.

Sony has trialled 4K HDR
with Dorna Sports

Sony pledged its commitment to
incorporate HDR capabilities into more
of its production equipment. It has
trialled 4K HDR capture with Dorna
Sports using HDC-4300's at the 2015
British Grand Prix MotoGP.
Michael Harrit, Marketing Director,
Sony Europe, said, We have built
HDR into leading production tools to
create an HDR end-to-end production
workflow from acquisition to delivery
to the living room."
RED Digital Cinema also has a live
HDR output solution allowing users
to simultaneously monitor both the
standard dynamic range and HDR
images of the same shot on-set, in
real-time. That will allow users to see
more of what the sensors on their
cameras are capturing - from the

Wireless 4K
One of the missing pieces in the 4K
live acquisition is being cracked with
a number of options now available to
send pictures wirelessly from pitch
side.
Broadcast RF claims the first UHD
radio camera system available for hire.
The 4KRF system comprises of a Sony
F55, a full transmit and receive system
for live broadcast. It is offered with
technical support if required for live
events. It used the system on a live heli
downlink working with Aerial Camera
Systems to obtain live 4K broadcast
from the air.
The system mounts to the back of
a 4K camcorder such as the Sony
F55 like any other radio camera
transmitter, and includes full Sony RF
camera/paint control.
It is based on the new UltraCoder
HEVC/H.265 encoder from Vislink.
The system accepts 4K/UHD streams
on a Quad 3G-SDI input. While
other approaches use four separate
encoders/modulators to individually

encode and transmit each
quadrant of the UHD picture,
the 4KRF system processes the
entire 4K picture through a single
encoder/modulator chain, thus
increasing encoding efficiency
and eliminating any possible
synchronisation issues between
the individual quadrants.
BBC R&D has chosen to use Multipleinput Multiple-output (MIMO) wireless
technology halving the bandwidth
required, and therefore significantly
reduce the cost of news and sports
coverage. Its halfRF HD/UHD radiocamera incorporates knowledge of
DVB-NGH and DVB-T2, and also uses
error correction and time interleaving
to provide a rugged system that
transmits 4K over a130Mb/s link. This
is still in prototype with tests planned
at a soccer match. There's a minimum
four frame latency. The BBC plans
to licence the innovation to camera
manufacturers.

Broadcast RF 4KRF
system with Sony F55

GoPro has a back or tethered Hero
model engineered with Vislink's HD
RF link (branded HeroCast) for live
broadcast. The latency is 180-200
milliseconds. The Hero4 Black is
GoPro's 4K camera and while 4K
can't yet be streamed from it live, the
company says it is looking at this.

Arguably the most radical
change
to
live
event
broadcasts with impacts on
4K and operational business
models is the move to IP,
which InBroadcast will look at
in the December issue.
GoPro HeroCast tethered
Vislink HD RF system
http://www.inbroadcast.com http://broadcastrf.com/author/broadcastrf/ http://www.sony.co.uk/pro/press/pr-sony-ibc-2015-overview https://www.youtube.com/watch?v=MmlSG_6OvGg http://www.cavena.com http://www.cavena.com
Table of Contents for the Digital Edition of In Broadcast - November 2015
