In Broadcast - May 2014 - 82

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

WWW.INBROADCAST.COM | ISSUE 31 - MAY 2014

N E W S

InTECH

Retaining Quality Through The File-Based Process
By Craig Newbury
Vice President Sales, RadiantGrid

C

82

ontent quality has become a
key competitive differentiator
across media platforms, which
means that even as budgets
for monitoring and maintaining
quality fall, broadcasters (and other
content producers and aggregators)
must find an effective way to
assure that content meets both
quality standards and regulatory
specifications.
This task is made even more
challenging by the increasing
complexity of content delivery,
often to multiple platforms in an
array of bit rates and formats via
different delivery mechanisms. At
the same time, the diversity of
viewing devices on which content
is watched demands different frame
rates and resolutions.
To prevent the output of
noncompliant content and to
avoid compromising customer
satisfaction, broadcasters have no

choice but to address video quality
across content prepared for the
full range of distribution platforms
and target viewing devices. While
this undertaking traditionally
would have demanded significant
investments of time, money, and
human resources, the emergence
of intelligent automated file-based
media processing offers a far more
appealing and cost-effective route.
The primary benefit of
advanced file-based media
processing platforms is that they
can consolidate key tasks and
perform a variety of algorithmically
challenging operations to produce
the desired output. This approach
effectively eliminates the need to
use different platforms for different
tasks. Instead, tasks such as colour
gamut legalisation, scaling, and
format/standards conversion can
be performed quickly, without any
degradation of the quality metrics

that users expect.
In some cases, file-based
media transformation solutions
use thorough metadata extraction
and indexing to gather extensive
information about content.
Leveraging this new degree of
intelligence, such solutions can
support and accelerate streamlined
media pipelines that maximise the
quality of broadcasters' assets
and outputs cost-effectively.
Consequently, the content that
broadcasters ingest, transcode,
edit, and otherwise transform for
distribution retains its quality and
integrity, or even improves through
the application of appropriate audio
and image processing.
While maintaining
quality is critical
in a highly diluted
m a r k e t p l a c e ,
establishing rapid time
to market for content

is equally important. Automated
file-based processing can enable
broadcasters to meet both of
these objectives.
While it's true that manual media
transformation models may allow
broadcasters to reach their quality
goals, they simply don't support the
rapid throughput of high volumes of
content, destined to a wide array of
multiplatform outlets.
Today, the media businesses that
build their operations on intelligent
automated processing solutions
are positioning themselves to set
new speed and volume standards
while maintaining compliance
and quality.

Wohler's RadiantGrid

InTEST

Video Clarity Introduces Reduced Reference Mode
V

ideo Clarity has announced
reduced reference operating
mode, the newest enhancement to
its RTM real-time audio and video
monitoring solution.
In reduced reference mode, RTM
systems can be used to provide
continuous channel-monitoring
and fault-recording, based on the
actual original source programme,
from anywhere in the world.
Reduced reference mode is
intended for secondary content
distributors such as cable, IPTV,
direct broadcast, and satellite
providers that receive programmes
from content originators and deliver
them to the end viewing audience.
Unlike content originators, who
can compare the entire original
source signal to the entire processed
signal nonstop, in real-time (i.e., full

reference), content distributors do
not have access to the original
source signal.
With RTM's reduced reference
mode, content distributors can now
use RTM to measure their incoming
signal against representative picture
and audio source data sent from an
RTM system located at the originator
site (i.e., reduced reference), thus
allowing them to assess signal
quality and verify whether errors
were caused in transmission or from
source processing devices that are
outside their facility and control.
"We've heard from customers
that they would like a way to base
ongoing quality-of-service tests on
upstream content from the originator,
so with this solution we're giving them
something they've never had before
- the ability to compare their signal to
that of geographically
removed source
channels," said Blake
Homan, President
of Video Clarity.
"Reduced reference
mode is specifically
RTM Real-Time Audio and Video Monitoring Solution
targeted to the

program originator in collaboration
with their distribution service
providers that are quality-conscious
and continuously looking for new and
innovative systems to increase their
quality of service."
When a content originator sends
a satellite feed to its secondary
distributors, an RTM system on
the content originator end sends
out data representing the original
audio and video signal via the
Internet or a dedicated network
data path. Secondary distributors
can subscribe to that data stream so
that when they receive a distributed
feed from the content originator, their
RTM unit will compare the incoming
video signal with the source data
from the original signal before any
processing takes place.
The RTM uses this comparison
to test for video and audio quality
continuously and then also records
error events such as picture
breakups, freeze-frames, and
black frames. RTM automatically
records these faults based on
user set error thresholds so that
the content distributor can take

appropriate action.
The RTM reduced reference
method is unique because it provides
the reference data from the content
source so that it can then be used
to understand the root cause of any
lower-than-expected A/V quality
event. Another unique benefit is
the number of audio performance
characteristics that can be monitored
and found, such as audio dropout,
artifact, and low-quality differences
from the source.
Moreover, the RTM reduced
reference method achieves an
accurate lip sync measurement using
only standard audio/video signals.
RTM reduced reference testing will
give users a new option for finding
problems that they might know about
but have not been able to pinpoint. It
will also provide an easy way to find
low-quality events they do not yet
understand or know that they have.
Finally, it will enable users to
monitor a high-value programme or
event and make sure the quality of
service is maintained as compared
to the programme originator signal.
The feature will be available in Q3.


http://www.linkedin.com/pub/dir/?first=Phillip&last=Izzard&search=Go https://twitter.com/inbroadcast http://www.youtube.com/watch?v=qpzEatLsHdE&feature=youtube_gdata_player https://www.facebook.com/InBroadcast http://itunes.apple.com/gb/app/inbroadcast/id468652679?mt=8 https://play.google.com/store/apps/details?id=com.branded.inbroadcast&feature=search_result#?t=W251bGwsMSwyLDEsImNvbS5icmFuZGVkLmluYnJvYWRjYXN0Il0. http://WWW.INBROADCAST.COM http://www.wohler.com/RgProduct.aspx http://wohler.com/RgProduct.aspx http://videoclarity.com/rtm/

In Broadcast - May 2014

Table of Contents for the Digital Edition of In Broadcast - May 2014

In Broadcast - May 2014 - Intro
In Broadcast - May 2014 - Cover1
In Broadcast - May 2014 - Cover2
In Broadcast - May 2014 - 3
In Broadcast - May 2014 - 4
In Broadcast - May 2014 - 5
In Broadcast - May 2014 - 6
In Broadcast - May 2014 - 7
In Broadcast - May 2014 - 8
In Broadcast - May 2014 - 9
In Broadcast - May 2014 - 10
In Broadcast - May 2014 - 11
In Broadcast - May 2014 - 12
In Broadcast - May 2014 - 13
In Broadcast - May 2014 - 14
In Broadcast - May 2014 - 15
In Broadcast - May 2014 - 16
In Broadcast - May 2014 - 17
In Broadcast - May 2014 - 18
In Broadcast - May 2014 - 19
In Broadcast - May 2014 - 20
In Broadcast - May 2014 - 21
In Broadcast - May 2014 - 22
In Broadcast - May 2014 - 23
In Broadcast - May 2014 - 24
In Broadcast - May 2014 - 25
In Broadcast - May 2014 - 26
In Broadcast - May 2014 - 27
In Broadcast - May 2014 - 28
In Broadcast - May 2014 - 29
In Broadcast - May 2014 - 30
In Broadcast - May 2014 - 31
In Broadcast - May 2014 - 32
In Broadcast - May 2014 - 33
In Broadcast - May 2014 - 34
In Broadcast - May 2014 - 35
In Broadcast - May 2014 - 36
In Broadcast - May 2014 - 37
In Broadcast - May 2014 - 38
In Broadcast - May 2014 - 39
In Broadcast - May 2014 - 40
In Broadcast - May 2014 - 41
In Broadcast - May 2014 - 42
In Broadcast - May 2014 - 43
In Broadcast - May 2014 - 44
In Broadcast - May 2014 - 45
In Broadcast - May 2014 - 46
In Broadcast - May 2014 - 47
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In Broadcast - May 2014 - 49
In Broadcast - May 2014 - 50
In Broadcast - May 2014 - 51
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In Broadcast - May 2014 - 54
In Broadcast - May 2014 - 55
In Broadcast - May 2014 - 56
In Broadcast - May 2014 - 57
In Broadcast - May 2014 - 58
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In Broadcast - May 2014 - 60
In Broadcast - May 2014 - 61
In Broadcast - May 2014 - 62
In Broadcast - May 2014 - 63
In Broadcast - May 2014 - 64
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In Broadcast - May 2014 - 66
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In Broadcast - May 2014 - 79
In Broadcast - May 2014 - 80
In Broadcast - May 2014 - 81
In Broadcast - May 2014 - 82
In Broadcast - May 2014 - 83
In Broadcast - May 2014 - S1
In Broadcast - May 2014 - S2
In Broadcast - May 2014 - S3
In Broadcast - May 2014 - S4
In Broadcast - May 2014 - S5
In Broadcast - May 2014 - S6
In Broadcast - May 2014 - S7
In Broadcast - May 2014 - S8
In Broadcast - May 2014 - S9
In Broadcast - May 2014 - S10
In Broadcast - May 2014 - S11
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http://europe.nxtbook.com/nxteu/lesommet/inbroadcast_201803
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http://europe.nxtbook.com/nxteu/lesommet/inbroadcast_cabsat2018
http://europe.nxtbook.com/nxteu/lesommet/inbroadcast_201801
http://europe.nxtbook.com/nxteu/lesommet/inbroadcast_201712
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http://europe.nxtbook.com/nxteu/lesommet/inbroadcast_NABSHOWNYexpo2017
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http://europe.nxtbook.com/nxteu/lesommet/inbroadcast_201708
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http://europe.nxtbook.com/nxteu/lesommet/inbroadcast_201705
http://europe.nxtbook.com/nxteu/lesommet/inbroadcast_NABSHOW2017
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https://www.nxtbook.com/nxteu/lesommet/inbroadcast_NABSHOWNYexpo
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