In Broadcast - November 2015 - 58


58

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

InTech

Wireless Video Links
Contributing Editor David Kirk surveys the latest
developments in wireless video production...

W

ireless communication links
have developed far and fast
in recent years to the point where a
television reporter can stream live
video straight back to base from a
standard mobile phone, or maybe
delay proceedings for a few minutes
to perform preliminary in-phone postproduction.
The following article looks at the
most recent product introductions
from the main players, including
many devices introduced at the NAB
convention in April, and at IBC in
September.
Amimon's Connex is a wireless link
combining long-range full-HD video
transmission capabilities and low
latency for use with aerial drones. It
uses a transmitter operating within the
5 GHz licence-exempt spectrum. The
Connex has 2 x 5 inputs and outputs
and automatic channel selection for
resilience. It can transmit HD video
up to 1 kilometre to the ground unit
and is capable of displaying telemetry
information as well as sending control
commands via an S-Bus protocol to
the drone. The package includes all
antennas, cables and connectors
required for air and ground unit setup.

be monitored and adjusted at the
touch of a button without the need to
connect to a PC to set attributes prior
to operation. The Atom can operate
in a multi-camera environment. The
transmitter has SDI, HD-SDI and HDMI
inputs for a variety of uses including
Steadicam, portable field monitoring,
and UAV video links.

Broadcast
Microwave
Systems Heli-Coder 4 (HC4)

Aviwest's DMNG HE4000 is a
new 1U HEVC 4K video encoder
which can deliver 4K, HD, or SD
video content over IP
networks. It integrates
with the company's
DMNG
Manager
and
DMNG
Studio
receiver to simplify
video
monitoring,
management,
and
reception.

Broadcast Microwave Systems'
Heli-Coder 4 (HC4) is a single-box
transmitter designed for operation
from a helicopter. It includes video
encoder, modulator, upconverter and
high-power amplifier. With MPEG-2
and H.264 compression, it handles SD
or HD video and has an Ethernet port
for transmitting streaming IP data.
Standard COFDM modulation allows
operation from a helicopter in urban
and non-line of sight environments
with significant multi-path. Other
modulation techniques are available.
The HC4 provides an integrated
GPS data interface to integrate into
tracking systems. The transmitter
provides 10 watts of output power in
a 127 x 229 x 153 mm 2.73 kg case. In
combination with the DLC50 control
panel, the HC4 can be mounted within
an avionics bay.

Boxx TV's Atom
provides
lowdelay microwave
transmission
within the 5 GHz
licence-exempt
spectrum.
It
is designed to
work out of the
box with minimal
configuration.
Boxx TV Atom low
delay transmitter Performance can

Broadcast RF's 4KRF is a complete
UHD
wireless
camera
system
packaged for hire and available now. It
comprises a Sony F55 camera to which
Broadcast RF has added full transmit
and receive for live broadcast. The
4KRF is offered with technical support
if required, for events such as sports
tournaments, live concerts and aerial
filming. Broadcast RF has also used
the 4KRF system on a live helicopter
downlink, working with Aerial Camera

Systems to obtain
what was claimed to
be the world's first
live 4K video from
the air. Broadcast
RF tested the 4KRF
system
from
a
helicopter circling
over
London.
The 4KRF system
is based on the
recently introduced
Vislink
UtraCoder
HEVC/h.265 encoder
and accepts 4K/UHD
Broadcast RF 4KRF UHD wireless camera system
streams on a Quad
3G-SDI input. While other approaches
Dejero has announced a new release
use
four
separate
encoders/ of its Live+ Mobile App, designed
modulators to individually encode and to enable journalists and video
transmit each quadrant of the UHD contributors to broadcast live from
picture, the 4KRF system processes phones or tablets. The new version
the entire 4K picture through a single includes enhancements that give
encoder/modulator chain, eliminating advanced users greater control when
possible
synchronisation
issues broadcasting live or recording video
between the individual quadrants. It for later use, including an exposure
delivers UHD pictures over the same and focus lock feature and a simplified
channel bandwidth as an ordinary on-screen zoom capability. By tapping
HD radio camera (10 MHz). The and holding onto a specific area
system mounts to the back of a 4K within the frame, users can choose
camcorder like any other radio camera what to lock the focus on, as well as
transmitter and includes camera/paint manually adjust and lock the exposure
control.
level. This prevents the camera from
automatically refocusing and adjusting
Cobham's SOLO7-OBTx, introduced the exposure. It also keeps the focus
at IBC 2015, is a new camera-back and exposure constant when the
1080p60
4:2:2
transmitter
operator is reframing the scene.
with integrated camera
In addition, a new oncontrol.
It
screen zoom bar
includes
enables users to
swappable
zoom in and out on
RF modules
the subject with a
(340 MHz
simple sliding motion.
to 8.6 GHz)
Users can capture live
and H.264/
video at up to 1920 x 1080
Cobham
M P E G - SOLO7-OBTx offers
resolution, record video for
4
AVC integrated remote control
later broadcast, or import and
video encoding. Latency, depending upload edited video files to designated
on mode, ranges from 1 second to 10 servers when traditional broadcast
milliseconds. Also launched at IBC, equipment is not at the scene. The app
the SOLO8 SDR is a dual-input HD-SDI can be deployed by news organisations
COFDM transmitter with integral video to every person in an operation,
analytics, recording and IP streaming. giving even non-news professionals
The transmitter includes 128 gigabytes the ability to broadcast from any
of internal video storage, USB and location. The Live+ Mobile App for iOS
Ethernet I/O interfaces, an integrated is available for free download from the
ISM band telemetry modem and an Apple App Store. A license is required
integral battery backed time and date to send live feeds and recorded or
stamp clock.
edited files to server destinations.


http://www.inbroadcast.com http://broadcastrf.com/author/broadcastrf/ http://www.bms-inc.com/ https://www.youtube.com/watch?v=W6hEMBGofkY https://www.youtube.com/watch?v=y1lCgGnquO4

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

In This Issue
In Broadcast - November 2015 - Intro
In Broadcast - November 2015 - Cover1
In Broadcast - November 2015 - Cover2
In Broadcast - November 2015 - In This Issue
In Broadcast - November 2015 - 4
In Broadcast - November 2015 - 5
In Broadcast - November 2015 - 6
In Broadcast - November 2015 - 7
In Broadcast - November 2015 - 8
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In Broadcast - November 2015 - 10
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In Broadcast - November 2015 - 20
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In Broadcast - November 2015 - Cover4
In Broadcast - November 2015 - S1
In Broadcast - November 2015 - S2
In Broadcast - November 2015 - S3
In Broadcast - November 2015 - S4
In Broadcast - November 2015 - S5
In Broadcast - November 2015 - S6
In Broadcast - November 2015 - S7
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