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Sunday, February 5, 2017

Technology Update - Seoul Broadcasting System uses ATSC 3.0 in preparation for Winter Olympics

Enensys ATSChedulers and IPGuard changeover switches will be key components of the new system by the South Korean broadcaster

South Korean broadcaster SBS (Seoul Broadcasting System) will launch ATSC 3.0 DTT services in February. South Korea is leading the regional rollout of the new IP-based digital terrestrial standard and SBS will launch in the capital Seoul, with DTT coverage expanding across the rest of the country in preparation for the 2018 Winter Olympics in Pyeongchang. SBS will operate one ATSC 3.0 multiplex in a 6MHz RF channel with capacity for either one 4K UHD service or one 4K UHD plus one HD service, depending on the nature of the content and compression applied. It has selected ENENSYS ATSchedulers and IPGuard changeover switches as key components of the new system. The Enensys ATSCheduler is the ?broadcast gateway of the ATSC 3.0 network, providing IP stream adaption, PLP (physical layer pipe) allocation, SFN timing, in-band control and signalling to ATSC modulators.

Located at the broadcast playout centre, the ATSCheduler will encapsulate multiple IP streams coming from HEVC encoders, signalling generators and captioning servers using ROUTE or MMTP protocols. Ensuring the ALP encapsulation, the BBFrame allocation, the different LLS (low layer signaling) generation, it outputs the resulting ATSC-compliant STL (studio to transmitter link) stream protocol over IP. The ATSCheduler module runs in Enensys HDc chassis that can embed up to six ATScheduler modules in 1U. The same chassis can output up to six STL streams over IP. The IPGuard changeover switch provides automatic main/backup switching of STL and other IP streams. Enensys ATSCheduler supports single frequency network deployment (SFN), providing the spectrum efficiency required for terrestrial transition.

"We are very pleased to be working with Enensys as the company has great knowledge of digital terrestrial broadcasting and specifically now with the new ATSC 3.0 standard," said Mr. Sang Jim Kim, director of research - new media project team at SBS. "We are helping to push the standard forwards and the launch of a UHD services over DTT is very exciting. Once again Korea broadcasters are leading the technological advance." "This is a ground-breaking deployment by SBS, as part of the Korean push for the first rollout of ATSC 3.0 services," Colin Prior, APAC sales manager at Enensys, said, "We are very pleased and proud to be involved with this project. The work we are doing is being fed back into the ATSC 3.0 standard, which we have been closely involved with throughout its development."

Source :- http://www.tvtechglobal.com/delivery/seoul-broadcasting-system-gets-ready-for-atsc-3-0/01616
Forwarded by :- Shri. Swamy DN ,dns_v@yahoo.com

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