In Broadcast - BroadcastAsia 2015 - 46


46

www.inbroadcast.com | BroadcastAsia | CommunicAsia | InShow Guide | 2-5 June 2015

From State of the Art Compression
Algorithms to Wireless GoPro
Transmitters, Vislink's Packing Plenty
into this Year's BroadcastAsia
Ali Zarkesh, VP Product Management at Vislink, discusses what will be showcased
at BroadcastAsia 2015, and why these products matter to the industry.
InBroadcast: What will you be
talking about at BroadcastAsia?
Ali Zarkesh: Vislink has been at
the forefront of video transmission
technology for a long time, and at
BroadcastAsia we will showcase a
renewed focus on efficiency over
already congested communications
frequencies. Recently, we've made
significant advances in terms of what's
possible with video compression,
and at BroadcastAsia we're going
to be talking about just how far this
technology has progressed.
As a case in point, we've developed
a highly sophisticated encoder which
utilises the H.265 compression
algorithm, and can transmit video
at the same video quality as H.264
over satellite, yet require far lower
data rates (up to 50% less). Similarly,
these algorithms tailored for UltraHD transmission can support a 4K
video stream at data rates of less
than 10 Mbit. In some cases, 4K video
can even be compressed to rates as
low as 4Mbit/s, without significant
degradation in quality.
InB: What can we expect to see on
display at the Vislink stand?
AZ: To support the development of
these new transmission algorithms,
Vislink has purpose-built a number
of new products to take advantage
of what's now possible with video
compression. One such product
Vislink will be demonstrating at
BroadcastAsia is the UltraCoder, a half
rack unit capable of encoding 4K video
(1080p60) and four separate H.265
HD channels. In addition, the unit also
supports one channel of H.264 video
transmission.
Due to the UltraCoder's small form
factor, it's easy for broadcasters to
transmit several channels of high
quality video from an event using the
same bandwidth that would previously
have been needed for a single video
contribution. Multi-channel support
means the UltraCoder can even reduce
the amount of equipment required

at an event, as well as reducing
bandwidth costs by as much as half.
Vislink will also feature the
HEROCast
wireless
transmitter.
Developed in partnership with GoPro,
the HEROCast is a new terrestrial
COFDM mini transmitter purposebuilt by Vislink to integrate with a
GoPro Hero 4 camera. It allows high
quality video to be transmitted from
GoPro's product range for the first
time, giving broadcasters access to
previously unseen camera angles,
and unique point of view shots, which
are particularly appealing during live
sports coverage. This is all offered in a
package that consumes only 4 W, and
is no bigger than the camera itself.
InB: Will you be showcasing
anything else?
AZ: As if that wasn't enough,
Vislink's third-generation reverse
camera control unit, FocalPoint, is
now featuring support for multiple
camera and operator control panel
combinations.
The
bi-directional
system includes a rack-mounted
indoor unit, weatherproof outdoor
UHF transmitter, and a compact UHF
data receiver, which attaches directly
to the camera. This system works
with several Sony models and the
Hitachi RU1500, and is compatible with
Vislink's existing product line.
The largest piece of hardware on
display will be the Reporter News
Vehicle, equipped with Vislink's
NewStream IDU and Cellular ODU.
The high-performance multi-channel
cellular
transmitter
provides
exceptional
video
transmission
stability and quality, and when bonded
with Ka or Ku band IP satellite, the
solution provides industry-leading
versatility. The system provides
bi-directional
communication
capabilities, is fully IP-video ready, and
also includes broadcast workstation
capabilities.
Other
products
exhibited
at
BroadcastAsia will include the
recently launched ADM5100 IP mesh

satellite modem, which facilitates
the transmission of IP data
without
the
need for a
dedicated
hub. Keeping
on
the
satellite theme, Vislink's H.265
compression technology will also be
implemented into the current range
of sub-23 kg MSAT ultra-lightweight
SNG terminals, meaning multiple HD
(or even 4K) video streams can be
transmitted from the field rapidly,
using a single rapidly deployed MSAT
terminal.
InB: How is market demand
driving product innovation?
AZ: It's fundamental; we're not in
the business of prescribing solutions
to problems that don't, or won't,
exist. For example, the Reporter
News Vehicle was built specifically to
address the growing demand from the
industry for smaller profile, vehiclebased newsgathering.
And the HEROCast was developed
in response to viewer demand for the
most immersive experience possible,
and high quality, action packed
content when watching sport. It brings
to market a completely new way to
watch live sports and special events,
including from the unique perspective
of the athlete; all in glorious HD.
InB:
What
criteria
are
broadcasters using to select
products?
AZ: One of the biggest problems
broadcasters face when choosing new
products is ease of use and ease of
interoperability with other hardware
solutions. Vislink is heavily focused on

Vislink will be
demonstrating
the UltraCoder
at BroadcastAsia

harmonisation within the product
range, which means in the case of the
HEROCast, it can be paired with the
multi-channel encoding capabilities of
Vislink receivers to manage multiple
feeds from multiple cameras at once.
InB: Is there anywhere we can see
any of these products in action?
AZ: A number of these products
are brand new to the market, but
the HEROCast has already been
successfully used this year to
broadcast NHL games in February and
the 2015 X Games in Aspen, Colorado.
InB: Which territories are showing
particular activity?
AZ: We are seeing activity in all
regions which gives us underlying
confidence in the market, our products
and solutions. Since its launch, the
HEROCast has been getting attention
globally, especially in North America,
while the UltraCoder has been in
demand in Europe, and the Far East in
particular.
InB: Thank you for taking time to
answer our questions.

HEROCast is a new
terrestrial
COFDM mini
transmitter
purpose-built by
Vislink


http://www.inbroadcast.com http://www.vislink.com/ http://www.vislink.com/products/product/?product=ultracoder http://www.vislink.com/products/product/?product=herocast

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