In Broadcast - July 2013 - 56


I N T E R N A T I O N A L

WWW.INBROADCAST.COM | ISSUE 21 - JULY 2013

N E W S

InTECH
ABonAir Part II – Wireless Video Links Cont.
shooting from helicopters require
large transmission range between
camera to the broadcast station.
An important point here is the
distinction between line-of-site and
non-line-of-site. In all systems, the
formally declared range is measured
in clear line-of-site, as if there are
no obstacles between the camera
and the receiver at the OB-van or
broadcast station. The reason for
measurement in clear line of site is
that experiments and results can
be repeated anywhere anytime. The
actual range, however, is determined
by the number of obstacles in the
way between the transmitter and
receiver and their compound
material. Range variance is
also affected by antenna
location and position.
A small reminder at this
point: all available systems,
by all vendors, obey…
physical rules! Radio waves
are blocked by metals, walls,
buildings and so on. So just
like in your mobile phone, where
a movement of even one meter may
allow for a better cellular reception,
microwave camera link transmission
range is affected by signal blocking.

Signal blocking by physical
objects like walls is different from
interference caused by other users
on your specific frequency or by
multiple users on the same frequency
(congestion). While physics cannot
be changed, interference may
be solved by hopping to another
frequency, free from interference and
other users. In some old systems
manual frequency changing is
necessary while in today’s advanced
systems
automatic

ABonAir’s AB310 link
on Sony HD camera

56

InGEAR
Vaddio Launches IP Video
Streaming Support
V

addio, a specialist in robotic
PTZ cameras and camera
control systems, has announced
a major software update to the
ClearVIEW HD-USB PTZ camera.
In addition to the current USB
streaming, the new 2.0 version
allows for IP HD video streaming
and remote PTZ camera control
through the Ethernet network
interface. Integrators now have the
design flexibility to choose between
USB or Network streaming – all
in one device.
Streaming Protocols supported
are Real Time Streaming
Protocol
(RTSP) and
HTTP Live
Streaming
( H L S ) .

The new release includes IP
Streaming and IP PTZ Camera Control

Encoding for video will be H.264
(Main Profile) and the audio encoding
will be AAC. Streaming adaptive
network bandwidth allocation is
supported with Adaptive Bitrate
technology by detecting a user’s
bandwidth and CPU capacity in
real-time and adjusting the quality
of a video stream accordingly. This
results in a smoother more lifelike motion streaming experience.
Supported resolutions include
both SD and HD high-definition
resolutions up to 1080p.
“We have been asked by our
integrators for a number of years
to build IP video streaming into our
camera systems,” explained CEO
of Vaddio, Rob Sheeley. “We also
knew that if we were to give them
streaming, we would also have to
give them remote IP PTZ camera
control as well. Now they can
control the camera from wherever
they are watching the stream. This
latest free software update to the
ClearVIEW USB PTZ camera does
all this and more.”

algorithms identify this problem and
hop to another frequency.
To conclude on the two elaborated
parameters above, we should note
that the advantages of bi-directional
wireless link systems relate not only
to zero error mechanism and link
efficiency, but also to automatic
frequency hopping and long
range support.

More buying-decision
parameters on our
next article… to
be continued!


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Table of Contents for the Digital Edition of In Broadcast - July 2013

In Broadcast - July 2013
Contents
InNews: Fiji TV Playout Facility Opts for Harris Broadcast Gear
InNews: Avalon Studios Goes for Xytech
InFocus: Panasonic Pro-Camera Equipment in Antartica
InSound: European Soccer Covered With Lawo Technology
InGear: Egripment Launch Universal Dolly
InTech: Abonair Part II – Wireless Video Links
InMedia: Vector 3: The Playout People
In Broadcast - July 2013 - Intro
In Broadcast - July 2013 - In Broadcast - July 2013
In Broadcast - July 2013 - Cover2
In Broadcast - July 2013 - Contents
In Broadcast - July 2013 - InNews: Fiji TV Playout Facility Opts for Harris Broadcast Gear
In Broadcast - July 2013 - 5
In Broadcast - July 2013 - InNews: Avalon Studios Goes for Xytech
In Broadcast - July 2013 - 7
In Broadcast - July 2013 - 8
In Broadcast - July 2013 - 9
In Broadcast - July 2013 - 10
In Broadcast - July 2013 - 11
In Broadcast - July 2013 - 12
In Broadcast - July 2013 - 13
In Broadcast - July 2013 - 14
In Broadcast - July 2013 - 15
In Broadcast - July 2013 - 16
In Broadcast - July 2013 - 17
In Broadcast - July 2013 - 18
In Broadcast - July 2013 - 19
In Broadcast - July 2013 - 20
In Broadcast - July 2013 - 21
In Broadcast - July 2013 - 22
In Broadcast - July 2013 - 23
In Broadcast - July 2013 - InFocus: Panasonic Pro-Camera Equipment in Antartica
In Broadcast - July 2013 - 25
In Broadcast - July 2013 - 26
In Broadcast - July 2013 - 27
In Broadcast - July 2013 - 28
In Broadcast - July 2013 - 29
In Broadcast - July 2013 - 30
In Broadcast - July 2013 - 31
In Broadcast - July 2013 - 32
In Broadcast - July 2013 - 33
In Broadcast - July 2013 - 34
In Broadcast - July 2013 - 35
In Broadcast - July 2013 - 36
In Broadcast - July 2013 - 37
In Broadcast - July 2013 - 38
In Broadcast - July 2013 - 39
In Broadcast - July 2013 - InSound: European Soccer Covered With Lawo Technology
In Broadcast - July 2013 - 41
In Broadcast - July 2013 - 42
In Broadcast - July 2013 - 43
In Broadcast - July 2013 - 44
In Broadcast - July 2013 - 45
In Broadcast - July 2013 - 46
In Broadcast - July 2013 - InGear: Egripment Launch Universal Dolly
In Broadcast - July 2013 - 48
In Broadcast - July 2013 - 49
In Broadcast - July 2013 - 50
In Broadcast - July 2013 - 51
In Broadcast - July 2013 - 52
In Broadcast - July 2013 - 53
In Broadcast - July 2013 - InTech: Abonair Part II – Wireless Video Links
In Broadcast - July 2013 - 55
In Broadcast - July 2013 - 56
In Broadcast - July 2013 - 57
In Broadcast - July 2013 - 58
In Broadcast - July 2013 - 59
In Broadcast - July 2013 - 60
In Broadcast - July 2013 - InMedia: Vector 3: The Playout People
In Broadcast - July 2013 - 62
In Broadcast - July 2013 - 63
In Broadcast - July 2013 - 64
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In Broadcast - July 2013 - 73
In Broadcast - July 2013 - Cover3
In Broadcast - July 2013 - Cover4
In Broadcast - July 2013 - S1
In Broadcast - July 2013 - S2
In Broadcast - July 2013 - S3
In Broadcast - July 2013 - S4
In Broadcast - July 2013 - S5
In Broadcast - July 2013 - S6
In Broadcast - July 2013 - S7
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In Broadcast - July 2013 - S9
In Broadcast - July 2013 - S10
In Broadcast - July 2013 - S11
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