Originally featured on BroadcastEngineering.com
Ericsson demonstrates Ultra HDTV contribution
A live demo showed how high-quality, fast-moving images can be captured and distributed for live sports and entertainment broadcasting.

Ericsson has demonstrated that live ultra HD 4K television can be successfully delivered to home viewers, someday. The demonstration took place during the European Broadcasting Union (EBU) Production Technology Seminar in Geneva, Switzerland.

The test showed how high-quality, fast-moving images can be captured and distributed for live sports and entertainment broadcasting. It focused on interoperability with third-party systems, using 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 so-called “Simulsync” synchronization technique, a technology that Ericsson uses for synchronizing the left and right channels of 3-D contribution feeds. In this case, the UHDTV 4Kp25 content feed was split into four 1080p25 quadrants, synchronously encoded into MPEG-4 AVC and transmitted.

Four receivers, in phase lock, decoded the received bit stream 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 4K progressive scanning at 50fps transmission. The end-to-end system used Ericsson’s AVP 2000 contribution encoders and RX8200 advanced modular receivers.

“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,” said Dr. Giles Wilson, head of TV compression business at Ericsson.

Ericsson said 4:2:2 encoding is critical for contribution links, particularly for 4K UHDTV content where displays of up to, and in some cases over, 84in will be used by content owners demanding the best picture quality in the home. With such immense screens being used, 10-bit signal processing will also be a critical component in maximizing video quality, the company said.

Ericsson has worked with the EBU on a number of projects, including supplying the EBU with systems 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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