With consumer desire for better quality TV pictures continuing to increase, and manufacturers starting to unveil Ultra High Definition TV (UHDTV) screens to the market, Ericsson has demonstrated how live UHDTV could be successfully enabled via a next-generation delivery system. The demonstration took place during the European Broadcasting Union (EBU) Production Technology Seminar in Geneva, Switzerland. It showed how high quality fast moving images can be captured perfectly for sports and live action broadcasting, which are seen as a key driver for the uptake of UHDTV.
The demonstration focused on interoperability, using the Ericsson technology to receive an off-air feed of a 4:2:0 file-based system and receive and decode as 4K UHDTV. Central to both parts of the 4K UHDTV demo was the ‘Simulsync’ synchronization technique, the proven technology that Ericsson uses for accurately synchronizing the left and right channels of 3D contribution feeds. In this case, the UHDTV 4Kp25 content feed is split into four 1080p25 quadrants, synchronously encoded into MPEG-4 AVC, and transmitted. Four receivers, in phase lock, decode the received bitstream to reproduce the 4Kp25 content feed.
During the seminar, Ericsson also demonstrated an end-to-end MPEG-4 AVC 4:2:2 10 bit precision 4K UHDTV system capable of 4Kp50 transmission. The end-to-end solution comprised Ericsson’s market leading AVP 2000 contribution encoders and RX8200 advanced modular receivers.
"Ericsson’s ConsumerLab report in 2012 showed that there remains an appetite among consumers for high quality, further supported by the number of Ultra High Definition TV sets on show at CES this year. With this ground-breaking solution, Ericsson is once again showing firm commitment to meeting industry demand," said Dr. Giles Wilson, Head of TV Compression Business, Ericsson. "The solution gives broadcasters the ideal opportunity to gain experience with 4K work flows and build a library of contribution quality 4K content, ready for the launch of 4K direct to the home, a prospect that we predict for 2015.”4:2:2 encoding remains of paramount importance for contribution links, particularly for 4K UHDTV content where displays of up to, and in some cases over, 84" will be used by content owners demanding the best picture quality in which to deliver content. With such immense screens being used, 10 bit precision will also be a critical component in maximizing video quality.
Ericsson has worked with the EBU on a number of projects, including supplying the EBU with solutions for the delivery of coverage of the London 2012 Olympic Games, as well as from Beijing in 2008, the Tour de France, Roland Garros and Wimbledon tennis tournaments, and prominent football events.
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