In Broadcast - August 2020 - 34

34

www.inbroadcast.com | Vol: 10 - Issue 8 | August 2020

InMedia

Confirming Media Quality
of Experience
Contributing Editor David Kirk examines
the technology that helps ensure Quality of
Experience for OTT content consumption...

B

roadcast QoE measurement until
the early years of this century
was mainly a matter of determining
the radiated signal strength from
terrestrial and satellite transmitters at
various points across their respective
footprints. With the transition from
analog to digital transmission, factors
such as pulse shape also became
critical.
The launch of YouTube in February
2005 confirmed that the wired
telecommunications network had
become robust enough to achieve
something it was never really
designed for: to function as an entirely
independent ('over-the-top') video
and audio transmission medium. The
huge potential for increased traffic
which this created encouraged greater
than ever funding in IP networking to
the point where almost every urban
household in industrialised countries
either has or will have direct-to-home
optical fibre.
Traditional broadcasters responded
quickly to the potential of OTT
transmission, using a catch-up model
such as the BBC's iPlayer which
launched on December 25th 2007.
QoE development since that time has
largely focused on the OTT sector.
This article looks at the some of the
most recent technical advances from a
product and service perspective.
Bridge Technologies' PocketProbe
enables objective analysis of real
network performance of streaming
media. Available in free and full
versions from the Apple App Store,
it can provide continual validation of
OTT streams, with analysis of HLS,
Smoothstream, RTMP and MPEGDASH, showing data as graphic

displays and multiple overlays. Status
of bit-rates used and profile changes
are displayed in real time. The free
version can validate 5 HLS streams,
analyse and alarm on manifest
consistency, play media in the various
profile bit-rates and graphically
display the actual chunk download
patterns and bit-rates. The full version
can validate HDS and SmoothStream
manifest files and store 25 streams
with all profiles.
Bridge Technologies' VB288 is
designed to perform objective video
and audio monitoring of MPEG-2,
H.264/MPEG-4
and
H.265/HEVC
streams. It also offers a web browserbased remote video-wall capability
providing full visual status from
anywhere.
Thumbnail and metadata extraction
and alarming for up to 100 TV
multicast streams can be performed
concurrently. The VB288 is typically
inserted before scrambling insertion
in the head-end. Extracted metadata
and decoded imagery are fed to a
VideoBridge controller. The VB288
can optionally perform the same
analysis as probes, including post-CDN
tokens and MPEG-DASH. All Bridge
Technologies probes have OTT/ABR
capabilities for monitoring adaptive
bitrate streaming systems.
The technology comes in the
form of processors which function
autonomously and only require
knowledge of the URL from which
the content is being fetched. The
processor then parses the manifest
file provided by the origin or edgeserver, extracts the different profiles
served, validates syntax, checks
chunk counters and does the same

Grass Valley's EdgeVision offers network QoE monitoring

Bridge Technologies' PocketProbe analyser

for the individual profiles. AES-based
decryption is included as well as a
method of customising the expected
format of the manifest files received.
Each VB288 runs an HTTP server with
the client as a web browser. It ships
as software and runs on any standard
server that meets the company's
specifications.
Digital Nirvana's MediaServicesIQ
is a suite of cloud-based microservices designed to streamline
content production, post-production
and distribution. Its facilities include
speech-to-text, content classification,
closed-caption
generation
and
conformance, plus the ability to detect
ads, logos, objects and faces.
"The
promise
of
automated
intelligence and machine learning
is being touted throughout the
media industry," comments Russell
Wise, Senior Vice President. "These
technologies offer powerful potential
for new efficiencies, time savings and
expanded potential for monetising
valuable content. But AI and ML
tools need to be accessible and
easy to apply in order to support
widespread adoption in the media
industry. We have created a set of
core AI capabilities and made them
available in a layer that can be easily
accessed by newsrooms, live sports
and entertainment productions, post

houses and other media operations."
MediaServicesIQ provides access to
a collection of high-performance AI
capabilities in the cloud that enable
immediate logging and feedback
of content quality and compliance,
positioning broadcasters to meet
regulatory, compliance, and licensing
requirements for closed captioning,
decency, and advertising monitoring.
Features include the ability to
record, store, and retrieve content
for compliance, quality of service,
and insights into broadcast content;
automatic transcription of content
from live broadcasts and commercials;
automated detection of logos,
objects, faces and shots; automatic
extraction of on-screen text; detection
of ad breaks in logged content;
identification of restricted words or
topics in recorded/logged content;
classification of incoming ad material
for restricted content; generation of
automated reports.
Grass Valley's EdgeVision offers QoE
monitoring across an entire network
for satellite/cable/IPTV operators
and broadcasters, using video/audio
streaming and signal probing. By
remotely monitoring signals received
at set-top boxes, it allows operators
to see and hear the quality of signals
received in viewers' homes. Features
include H.264 video streaming
for remote viewing plus stereo or
Dolby Digital audio streaming with
monitoring and level metering.
Streaming resolution, quality,
frame rate and bit rate and be
fully adjusted. Each EdgeVision
input has both a high resolution
and a low resolution streaming
encoder.


http://www.inbroadcast.com http://www.bridgetech.tv http://www.grassvalley.com

In Broadcast - August 2020

Table of Contents for the Digital Edition of In Broadcast - August 2020

Contents
In Broadcast - August 2020 - Intro
In Broadcast - August 2020 - Cover1
In Broadcast - August 2020 - Cover2
In Broadcast - August 2020 - Contents
In Broadcast - August 2020 - 4
In Broadcast - August 2020 - 5
In Broadcast - August 2020 - 6
In Broadcast - August 2020 - 7
In Broadcast - August 2020 - 8
In Broadcast - August 2020 - 9
In Broadcast - August 2020 - 10
In Broadcast - August 2020 - 11
In Broadcast - August 2020 - 12
In Broadcast - August 2020 - 13
In Broadcast - August 2020 - 14
In Broadcast - August 2020 - 15
In Broadcast - August 2020 - 16
In Broadcast - August 2020 - 17
In Broadcast - August 2020 - 18
In Broadcast - August 2020 - 19
In Broadcast - August 2020 - 20
In Broadcast - August 2020 - 21
In Broadcast - August 2020 - 22
In Broadcast - August 2020 - 23
In Broadcast - August 2020 - 24
In Broadcast - August 2020 - 25
In Broadcast - August 2020 - 26
In Broadcast - August 2020 - 27
In Broadcast - August 2020 - 28
In Broadcast - August 2020 - 29
In Broadcast - August 2020 - 30
In Broadcast - August 2020 - 31
In Broadcast - August 2020 - 32
In Broadcast - August 2020 - 33
In Broadcast - August 2020 - 34
In Broadcast - August 2020 - 35
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In Broadcast - August 2020 - 37
In Broadcast - August 2020 - 38
In Broadcast - August 2020 - 39
In Broadcast - August 2020 - 40
In Broadcast - August 2020 - 41
In Broadcast - August 2020 - 42
In Broadcast - August 2020 - 43
In Broadcast - August 2020 - 44
In Broadcast - August 2020 - 45
In Broadcast - August 2020 - 46
In Broadcast - August 2020 - 47
In Broadcast - August 2020 - 48
In Broadcast - August 2020 - 49
In Broadcast - August 2020 - 50
In Broadcast - August 2020 - 51
In Broadcast - August 2020 - 52
In Broadcast - August 2020 - 53
In Broadcast - August 2020 - 54
In Broadcast - August 2020 - 55
In Broadcast - August 2020 - 56
In Broadcast - August 2020 - 57
In Broadcast - August 2020 - 58
In Broadcast - August 2020 - 59
In Broadcast - August 2020 - 60
In Broadcast - August 2020 - Cover3
In Broadcast - August 2020 - Cover4
http://europe.nxtbook.com/nxteu/lesommet/inbroadcast_202101
http://europe.nxtbook.com/nxteu/lesommet/inbroadcast_202012
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http://europe.nxtbook.com/nxteu/lesommet/inbroadcast_202009
http://europe.nxtbook.com/nxteu/lesommet/inbroadcast_202008
http://europe.nxtbook.com/nxteu/lesommet/inbroadcast_202007
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http://europe.nxtbook.com/nxteu/lesommet/inbroadcast_INREVIEW2019
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http://europe.nxtbook.com/nxteu/lesommet/inbroadcast_NABSHOW2019
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http://europe.nxtbook.com/nxteu/lesommet/inbroadcast_201812
http://europe.nxtbook.com/nxteu/lesommet/inbroadcast_201811
http://europe.nxtbook.com/nxteu/lesommet/inbroadcast_NewYork2018
http://europe.nxtbook.com/nxteu/lesommet/inbroadcast_201810
http://europe.nxtbook.com/nxteu/lesommet/inbroadcast_inshowguide2018
http://europe.nxtbook.com/nxteu/lesommet/inbroadcast_201809
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http://europe.nxtbook.com/nxteu/lesommet/inbroadcast_201806
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http://europe.nxtbook.com/nxteu/lesommet/inbroadcast_201804
http://europe.nxtbook.com/nxteu/lesommet/inbroadcast_NABSHOW2018
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_201708
http://europe.nxtbook.com/nxteu/lesommet/inbroadcast_201707
http://europe.nxtbook.com/nxteu/lesommet/inbroadcast_201705
http://europe.nxtbook.com/nxteu/lesommet/inbroadcast_NABSHOW2017
http://europe.nxtbook.com/nxteu/lesommet/inbroadcast_201704
http://europe.nxtbook.com/nxteu/lesommet/inbroadcast_cabsat2017
http://europe.nxtbook.com/nxteu/lesommet/inbroadcast_201703
http://europe.nxtbook.com/nxteu/lesommet/inbroadcast_201702
http://europe.nxtbook.com/nxteu/lesommet/inbroadcast_201701
http://europe.nxtbook.com/nxteu/lesommet/inbroadcast_INREVIEW2016
http://europe.nxtbook.com/nxteu/lesommet/inbroadcast_201612
https://www.nxtbook.com/nxteu/lesommet/inbroadcast_201611
https://www.nxtbook.com/nxteu/lesommet/inbroadcast_NABSHOWNYexpo
http://europe.nxtbook.com/nxteu/lesommet/inbroadcast_20110708_DEMO
https://www.nxtbook.com/nxteu/lesommet/inbroadcast_201610
http://europe.nxtbook.com/nxteu/lesommet/inbroadcast_inshowguide2016
http://europe.nxtbook.com/nxteu/lesommet/inbroadcast_201609
http://europe.nxtbook.com/nxteu/lesommet/inbroadcast_201608
http://europe.nxtbook.com/nxteu/lesommet/inbroadcast_201607
http://europe.nxtbook.com/nxteu/lesommet/inbroadcast_201606
http://europe.nxtbook.com/nxtbooks/lesommet/inbroadcast_APAC03
http://europe.nxtbook.com/nxteu/lesommet/inbroadcast_201605
http://europe.nxtbook.com/nxteu/lesommet/inbroadcast_NABSHOW2016
http://europe.nxtbook.com/nxteu/lesommet/inbroadcast_201604
http://europe.nxtbook.com/nxteu/lesommet/inbroadcast_201603
http://europe.nxtbook.com/nxteu/lesommet/inbroadcast_cabsat2016
https://www.nxtbook.com/nxteu/lesommet/inbroadcast_201602
http://europe.nxtbook.com/nxteu/lesommet/inbroadcast_201601
https://www.nxtbook.com/nxtbooks/lesommet/inbroadcast_APAC02
https://www.nxtbook.com/nxteu/lesommet/inbroadcast_201512
https://www.nxtbook.com/nxteu/lesommet/inbroadcast_201511
https://www.nxtbook.com/nxteu/lesommet/inbroadcast_CCW15expo
https://www.nxtbook.com/nxteu/lesommet/inbroadcast_201510
https://www.nxtbook.com/nxtbooks/lesommet/inbroadcast_APAC01
https://www.nxtbook.com/nxteu/lesommet/inbroadcast_201509
http://europe.nxtbook.com/nxteu/lesommet/inbroadcast_IBC2015
https://www.nxtbook.com/nxteu/lesommet/inbroadcast_201508
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http://europe.nxtbook.com/nxteu/lesommet/inbroadcast_BROADCASTASIA2015
https://www.nxtbook.com/nxteu/lesommet/inbroadcast_201505
https://www.nxtbook.com/nxteu/lesommet/inbroadcast_201504
http://europe.nxtbook.com/nxteu/lesommet/inbroadcast_NABSHOW2015
https://www.nxtbook.com/nxteu/lesommet/inbroadcast_201503
https://www.nxtbook.com/nxteu/lesommet/inbroadcast_cabsat2015
https://www.nxtbook.com/nxteu/lesommet/inbroadcast_201502
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https://www.nxtbook.com/nxteu/lesommet/inbroadcast_201412
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