In Broadcast - NABSHOW 2016 - 96


96

www.inbroadcast.com | NAB SHOW 16-21 April 2016 | InShow Guide

New Video Clarity Tools Address
Industry's Most Pervasive Trends
By Adam Schadle,
Vice President

Video Clarity's latest tools will be unveiled at
NAB Show 2016...

H

igh dynamic range. Video
over IP. A shrinking broadcast
spectrum. These trends have taken
hold of the industry. In order to
address them effectively, content
originators, content distributors, and
equipment manufacturers must make
adjustments. And those adjustments
require test and measurement.
For example, as the advancement
toward ubiquitous 4K video marches
on, companies that already deliver
4K content are looking ahead to the
next step: delivering it in high dynamic
range (HDR). Preparing for HDR
delivery means manufacturers and
programme originators must study
the picture quality and performance
of their products and services. Right
now, the way to test for HDR quality is
through subjective evaluation.
At the same time, in terms of
production contribution, the industry's
transition from SDI- to IP-based
infrastructures is well underway.
Operators and manufacturers alike
are working towards incorporating
IP technology into their workflows
and designs. In the process, they'll
need to comply with the latest IPbased delivery standards, such as
the Video Services Forum's TR-03
and TR-04 protocols. Ensuring these
IP-based workflows will be able to
handle video from start to finish, with
no loss of quality, is a high priority,
so manufacturers are testing their
equipment in the IP domain for
sustained, bit-accurate video and

audio delivery and lip sync.
Finally,
the
U.S.
Federal
Communication Commission's recently
launched spectrum auction will
reduce the bandwidth available
for transmitting broadcast
signals, forcing broadcasters to
fit all channels into a narrower
frequency spectrum - and that
means lowering delivery bit
rates. As they seek to deploy
new encoding and multiplexing
technologies,
broadcasters
now have the opportunity
to
use
actual
quality
measurements instead of bit-rate,
as a way to ensure equitable channel
sharing and service-level agreements.
Video Clarity stays on top of
these and other trends so that
our customers always have the
measurement tools they need. We will
introduce the latest of these tools at
the 2016 NAB Show:
ClearView 8.4 - an update to
the ClearView line of video quality
analysers and player/recorders. With
version 8.4, ClearView 4K and 8K
systems have undergone significant
changes to provide new colour-spacecapable pictures and support for high
dynamic range (HDR) as prescribed by
ITU-R BT.2020. With these changes,
the ClearView 4K and 8K systems is
the first on the market to interactively
show side-by-side 4K or 8K pictures
in native ITU-R Rec. BT.2020 colour
space, and allow comparison of HDR
video in that colour space.

ClearView 8.4 will benefit both
programme
originators
and
manufacturers of encoding and digital
video-processing products, all of
which must be able to study the visual
and perceptual differences that result
from enhanced colour space and
HDR as they move from HD to UHD
resolutions.

the solution to check image and signal
characteristics that have been shot by
two different cameras, or to check two
recordings of the same visual set with
differently applied camera settings.
RTM 4K - a 4K-capable version of
the company's RTM real-time audio
and video monitoring solutions.
RTM 4K can apply 4K video sources
via quad-link HD-SDI and
compare them to encoded/
decoded 4K video to test for
video quality, audio quality,
lip sync, and loudness.
The 3-RU RTM 4K is built
with a variety of applications
in mind, such as testing new
4K HEVC encoders for audio
and
video
performance
over time, and testing the
ClearView WFM complements the
colour-space and HDR capabilities introduced in performance of origination
ClearView 8.4 channels and automatically
ClearView WFM - a new inclusion recording and logging faults in
for ClearView video quality analysers video, audio, lip sync, and loudness.
and an option for ClearView Player Broadcasters can also deploy RTM
systems. To complement the colour- 4K - both in advance and during a
space and HDR capabilities introduced broadcast - for long-haul performance
in ClearView 8.4, ClearView WFM testing of special large-audience,
actively reads and tests any video live programming such as worldwide
file that has been imported or sports events.
recorded to help users understand
ClearView MultiPlayer - an
input- or output-signal parameters as application option and potential addgenerated by waveform, colour vector, on for all ClearView Analyzer 4K and
and chromaticity charts.
ClearView Player 4K systems.
ClearView WFM will be especially
Programme originators and product
useful to those who want to take developers can use ClearView
video signals from a camera and MultiPlayer to study the effect of
check to see that signals are within different video resolutions and/or bit
legal parameters. The application rates on video quality. They can also
will be beneficial in other instances perform a visual study of 4K versus
as well, such as when checking HD playback. In a lab environment,
signal parameters of the output and the ClearView player-server aids
playback of a video sequence stored in in testing by providing multiplea ClearView library. In other examples, resolution loop playback from the
users of ClearView WFM might utilise same system.


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Table of Contents for the Digital Edition of In Broadcast - NABSHOW 2016

In Broadcast - NABSHOW 2016 - Intro
In Broadcast - NABSHOW 2016 - Cover1
In Broadcast - NABSHOW 2016 - Cover2
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