In Broadcast - NAB SHOW 2017 - 8

8

www.inbroadcast.com | NAB Show 22-27 April 2017 | Product Preview

Giving Radio Broadcasters
More Options for Uncompressed
Digital IP Signal Transport
GatesAir is optimizing payload, simplifying architectures for moving AES192
and analog composite signal over IP from a single unit...

A

s more broadcasters shift from
legacy TDM (E1/T1) connections
to IP networks, broadcasters are
seeking more efficient ways to manage
bandwidth and analyze network
performance. At the same time, cost
reduction as it relates to engineering
labor and maintenance remains a
concern, while at the same time
taking advantage of modern network
architectures to introduce new on-air
services.
GatesAir, a global leader in wireless,
over-the-air content delivery solutions
for radio and TV broadcasters, will
introduce a new groundbreaking
intelligent IP networking solution
at the 2017 NAB Show that marks a
convergence of traditional strengths
from its range of Intraplex intelligent
networking family, with new advanced
innovations that address all of these
concerns and opportunities when it
comes to radio program transport over
digital IP networks.
The new Intraplex IP Link MPXp
codec is the next-generation codec
from GatesAir, building on the proven
reliability and security of IP Link
codecs. While this codec leverages
many of the renowned IP Link codec
strengths - notably GatesAir's unique
dynamic stream splicing technology
to mitigate IP packet
loss and eliminate off-air
time - the Intraplex IP
Link MPXp offers several
industry firsts.
AES 192 Support
Foremost, the Intraplex
IP Link MPXp is the
first FM MPX IP codec
to support - separately
or together - AES 192
digital
and
analog
composite signals over
a secure and reliable
digital IP path. With its

unique built-in bandwidth reduction
technology and signal parameter
selection, broadcasters can transport
uncompressed AES 192 signals as
low as 1.8Mb/s - a more than 50%
reduction in bandwidth utilization
compared to most codecs on the
market. This exceptional bandwidth
efficiency opens more headroom for
increased packet protection, as well as
additional audio and data services.
The IP Link MPXp codec offers a
strong value proposition as a featurerich, futureproof codec to support
analog composite transport today
- and AES 192 composite transport
when the broadcaster upgrades from
an analog to a digital exciter. However,
its flexible dual-domain capability
allows the broadcaster to install a
newer audio processor supporting
AES 192 and have it interoperate with
an exciter that supports only analog
composite signal interface today. This
not only provides a transitional path
for a digital exciter upgrade, but also
enhances signal quality by keeping it in
the digital domain across the IP path.
Reduce CAPEX & OPEX
Like previous-generation IP Link
codecs, the Intraplex IP Link MPXp
codec
also
simplifies
network

architectures
and
maintenance
to reduce capital and operational
expense. As wide-area network pipes
grow larger, the Intraplex IP Link
MPXp codec enables broadcasters
to aggregate all FM processing
equipment at the headend. Meanwhile,
advanced security measures protect
the broadcaster's signal thanks to the
codec's integrated firewall.
"The Intraplex IP Link MPXp offers
tremendous value and flexibility for
the broadcaster," said Rich Redmond,
Chief Product Officer, GatesAir. "The
broadcaster achieves lower-cost links,
improved audio quality and enhanced
security out of the gate, with the
opportunity to simplify processing and
distribution architectures and lay a
foundation for new services. For those
broadcasters expecting to transition to
digital exciters in their next upgrade
cycles, the MPXp's inherent hybrid
capability preserves their investment
for years to come."
The IP Link MPXp codec additionally
offers the same extensive feature
set as other IP Link codecs, including
multiple input and output ports for
signal redundancy, decoding of audio
and RDS content from either the input
or output signal, and the option to
incorporate external SCA subcarrier
signals into the output
signal. Its integrated
RDS decoder further
reduces equipment costs
for the broadcaster who
was previously forced
to
install
expensive
outboard
boxes
to
support RDS.

Intraplex LiveLook

A Closer Look
The IP Link MPXp
also provides features
common across all IP
Link codecs, including,
forward error correction,

and a trio of network interfaces for
optimal stream reliability. When
coupled with Intraplex LiveLook
software, users enjoy enhanced
visibility into network performance
through advanced network analytics,
monitoring
and
troubleshooting
capabilities.
LiveLook is an off -board network
analytics and monitoring software
for IP Link codecs. It provides a
graphical analysis of both real-time
and historical network performance
data as well as the monitoring of audio
streams' state changes and optional
email notification capability. The
LiveLook software provides a single
management application to analyze
and monitor all the audio streams
of the network. In addition, the tool
incorporates
report
generation
capability which analyzes the selected
network performance data and
recommends the best error protection
technique of the IP Link codec to use.
For example, LiveLook uses a burst
packet loss model to evaluate IP traffic
performance, and provides statistics
around round-trip data packet delay.
The information gathered from burst
packet loss modeling suggests the
best methods for fixing lost or missing
packets.
Along with real-time graphing,
past snapshots show how the
stream behaved. If the codec was
compromised within a certain defined
window of time, the user can access
that portion of the real-time graph to
see if the IP network caused the issue.
A summary details network packet
statistics, with recommendations on
how much forward error correction
and time diversity is needed for the
stream.
GatesAir is demonstrating the
Intraplex IP Link MPXp and Intraplex
LiveLook at the show.
www.gatesair.com


http://www.inbroadcast.com http://www.gatesair.com http://www.gatesair.com

Table of Contents for the Digital Edition of In Broadcast - NAB SHOW 2017

In Broadcast - NAB SHOW 2017 - Intro
In Broadcast - NAB SHOW 2017 - Cover1
In Broadcast - NAB SHOW 2017 - Cover2
In Broadcast - NAB SHOW 2017 - 3
In Broadcast - NAB SHOW 2017 - 4
In Broadcast - NAB SHOW 2017 - 5
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In Broadcast - NAB SHOW 2017 - 7
In Broadcast - NAB SHOW 2017 - 8
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In Broadcast - NAB SHOW 2017 - 11
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In Broadcast - NAB SHOW 2017 - 20
In Broadcast - NAB SHOW 2017 - 21
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In Broadcast - NAB SHOW 2017 - 106
In Broadcast - NAB SHOW 2017 - Cover3
In Broadcast - NAB SHOW 2017 - Cover4
In Broadcast - NAB SHOW 2017 - S1
In Broadcast - NAB SHOW 2017 - S2
In Broadcast - NAB SHOW 2017 - S3
In Broadcast - NAB SHOW 2017 - S4
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