Page 75 - SAMENA Trends - August 2020

TECHNOLOGY UPDATES SAMENA TRENDS

New ‘Versatile Video Coding’ Standard to Enable Next-Generation Video

Compression

The new Versatile Video Coding (VVC) are also central to industry's ability to performance of VVC will enable the
standard advances the state of the art of meet rising demand for video, the most delivery of UHD services at bit rates today
video compression and has unprecedented bandwidth-intensive source of data used to carry high definition (HD) services.
application versatility. It has the flexibility exchanged over global networks." "VVC is Halving the required bit rate for a desired
to enable emerging applications such as the result of a global collaboration of the video quality will also ease pressure on
360-degree omnidirectional immersive video coding community, which has joined global networks, for example by enabling
multimedia, remote screen sharing, cloud- forces again to produce a major advance twice as much video content to be stored
based collaboration, cloud gaming, and in video compression technology," said on a server or provided by a streaming
region-based extraction and merging. JVET Co-Chair Gary J. Sullivan. "VVC service. VVC values coding efficiency and
It also offers improved quality encoding is more than yet another compression versatility in equal measure. The new
for ultra-high definition (UHD) and high- standard. Its versatility comes from standard offers specialized tools for the
dynamic-range (HDR) video as well as combining well-established and novel coding of screen content, the computer-
conventional video coding applications. technology elements. The design has been generated content of applications such
The experts team responsible for the rigidly tested with various application as remote screen sharing, cloud-based
collaboration and cloud gaming. Reference
picture resampling with VVC will support
the adaptive streaming solutions that
adjust video streams to users' available
bandwidth. VVC also provides for
independent sub-pictures for applications
such as tiled streaming of 360-degree
video, enabling higher resolution for the
portion of a 360-degree video in view.
VVC expands the range of technical
options available to support video, but the
standards preceding VVC will continue to
enable video applications and services
worldwide. 'High Efficiency Video Coding'
(HEVC, published as ITU H.265 | ISO/
IEC 23008-2) entered the market in 2013
and was honored with a Primetime
Emmy Award in 2017 in recognition of its
development of VVC recently agreed the cases in mind," said fellow JVET Co- emergence as the primary coding format
technical specification of the new standard, Chair Jens-Rainer Ohm. "The completion for UHD TV services. The standard became
moving VVC toward final ITU approval with of VVC is a major milestone for the work the key enabling technology for UHD
the 'consent' to enter the concluding 'last of ITU-T Study Group 16, marking the viewing experiences while concurrently
call' phase of its standardization process. conclusion of the last decade of video enabling operators to utilize network
VVC will be published as ITU H.266 | ISO/ coding standardization and the beginning capacity more efficiently. ITU H.264 |
IEC 23090-3. VVC results from the work of the next," said Noah Luo, Chairman of MPEG-4 'Advanced Video Coding' entered
of the Joint Video Experts Team (JVET), ITU-T Study Group 16 (Multimedia). Video the market in 2003 and achieved the
the latest team to lead the longstanding now accounts for about 80 per cent of all recognition of a Primetime Emmy Award
collaboration of the ITU-T Study Group 16 Internet traffic. VVC will need only half the in 2008 for unlocking significant advances
Video Coding Experts Group and ISO/IEC bit rate of its predecessor 'High Efficiency in video spanning from high definition
JTC1/SC29/WG11 (Moving Picture Experts Video Coding' to achieve the same level TV (HDTV) to 3G mobile multimedia. The
Group, MPEG). "The video compression of video quality for high-resolution video standard enabled improvements in video
algorithms standardized in collaboration content. It will reduce the amount of data quality to an extent that motivated the
by ITU, ISO and IEC continue to enable necessary to enable high-quality video broad deployment of HDTV services. It
giant leaps forward in video quality," said for an unprecedented range of new and remains the world's most widely deployed
ITU Secretary-General Houlin Zhao. "They existing applications. The compression video compression standard.

75 AUGUST 2020