 | | DVB at BroadcastAsia 2013 |
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Broadcast Asia Report
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Every year, in June, the broadcast industry meets in Singapore for BroadcastAsia. Considering the success of DVB technologies in the region, it is no surprise that around forty DVB Members along with DVB representatives were present at the event and CommunicAsia, which runs concurrently. On the DVB booth there was a live transmission of DVB-T2 consisting of a T2 signal for fixed roof-top aerial reception, delivering 3 HD channels combined with a T2-Lite signal for mobile reception and providing four video services to mobile receivers. There was a wide range of receiver equipment available: Sony presented T2 iDTVs as well as prototype T2 dongles for PCs and tablets. The chipset providers, Broadcom and Altobeam presented STBs based on their latest T2 chipset and STMicroelectronics presented a T2 to HDMI prototype dongle that will enable T2 reception on any device equipped with an HDMI interface. In addition, Rover presented one of its compact DVB-T2 measurement devices on the DVB booth. The availability of this wide range of equipment clearly demonstrates that DVB-T2 is supported by all major players in the industry. Competition and economies of scale will guarantee that broadcasters, network operators and end-users can choose from a wide range of equipment at a reasonable cost.
Another hot topic at BCA was OTT. To demonstrate what solutions DVB has to offer in this area, an OTT demonstration based on DVB-GEM was presented by DVB Members Alticast and Mediaset. The demonstration was a hybrid scenario where a DVB-T receiver, in addition to the broadcast reception, could also access the Video on Demand (VoD) portal of Mediaset. Content requested over the internet was streamed to the DVB booth and could be watched by visitors.
As in previous years, there were a great number of visitors to the booth and strong interest in the latest DVB developments. DVB is very proud of its success in the region and is committed to delivering the technology required.
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DVB-T2 Workshop in Thailand
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Thailand's broadcasting regulator, the National Broadcasting and Telecommunications Commission (NBTC) officially adopted DVB-T2 a year ago. Since then, the Broadcast Commissioner, Col. Dr. Natee Sukonrat, and his team have been working on creating the necessary framework for the introduction of DTT. As with many other countries, it was decided that the broadcasters will focus on providing content while network operators will be in charge of content distribution. To that end, the NBTC is going to award four network licenses. To speed up the roll-out and to assist low-income households, the government plans to set-up a coupon program to subsidize DTT receivers.
In addition to the regulatory framework, there are also many technical aspects to be considered for network planning and roll-out. These were addressed on 13 - 14 June in the "Go Digital Workshop: DVB-T2 Implementation" jointly organized by NBTC, ITU and DVB in Bangkok. In the DVB session several experts provided information on network implementation. The topics covered were wide ranging from video/audio processing and multiplexing in the head-end, to modulation and local content insertion. Also discussed, were set-top box issues, Service Information and network planning and rollout. In his session summary, Peter Siebert stressed the importance of basing decisions on the total cost of ownership, taking into account not only capital expenditure (CAPEX), but also operational expenditure (OPEX). There was great interest in the event with around sixty participants representing regulators, broadcasters, system integrators and potential network operators, listening to the presentations and taking part in the discussions.
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WORK Microwave Partners with Adtec Digital To Deliver Integrated Video ACM System
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Kabel Deutschland Starts DVB-C2 Field Trial In Berlin, Hamburg & Munich
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Kabel Deutschland began transmission of the new DVB-C2 standard on cable channel D794 (794 MHz center frequency) at ANGA. This formed part of the extended DVB-C2 field trial on its CATV networks in Berlin, Hamburg and Munich. The field trial will become a regular service as soon as compliant receivers are widely available.
"The essential advantages of DVB-C2 are the excellent spectrum efficiency and the flexibility to adapt the parameters to the characteristics of the individual network or application", said Lorenz Glatz, Chief Technology Officer of Kabel Deutschland. The key building blocks of DVB-C2 are the new OFDM modulation scheme and the powerful LDPC error protection system, which will also be used in the DOCSIS 3.1 standard. DVB-C2 will allow an increase in the maximum downstream capacity of an 862 MHz cable network from its present 5 Gbit/s to up to 8 Gbit/s. "The introduction of this new standard will further improve the competitiveness of our already very powerful cable infrastructure and allow for the extending of the service offerings significantly. Our customers can look forward to a new range of products and services", Glatz added.
This is the first time a DVB-C2 1024-QAM modulation scheme, at 3/4 FEC-rate, has been deployed in a CATV network, improving spectrum efficiency by 46 percent over DVB-C at the same signal level. "We now hope that the CE industry will equip their digital TV receivers with combined DVB-C2/DVB-C front-ends, enabling us to extend our DVB-C2 offering", said Frank Hellemink, Vice President Network Engineering at Kabel Deutschland.
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ETSI Publishes DVB-CID
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Follow its approval by the Steering Board back in February, the DVB-CID specification was officially published by ETSI on 29 May as TS 103 129. The work carried out by DVB with Carrier ID was significant because it deals with the issue of Radio Frequency Interference (RFI), caused by operational errors at the uplink, which have a major impact in the Quality of Service (QoS) for satellite operators and their customers.
Carrier ID enables operators and users to quickly identify interfering carriers and respond to RFI, to reduce the duration of each event, improve QoS and reduce operating costs. Also in the longer term, the new specification will lower the number of RFI events and release bandwidth being used to overcome current and ongoing RFI events. The DVB standard for Carrier ID enables the industry to produce interoperable equipment and ensure the ongoing development and improvement of Carrier ID technology in a standardized manner.
The document is available for download on the ETSI website (www.etsi.org). A convenient link can also be found on the DVB website.
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DVB-T2 Forms Part Of Multiscreen HEVC Trial
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At this year's Roland-Garros, the French tennis championships in Paris, the 4EVER consortium, which includes a number of DVB Members, provided demonstrations of multiscreen delivery using the new video encoding standard, HEVC (High Efficiency Video Coding). Published in January 2013,
HEVC offers twice the performance as its predecessor MPEG-4 AVC, thus offering prospects of HD delivery to more terminals.
From 1-9 June, the daily schedule of televised games was fed to an HEVC live experimental end-to-end delivery chain including encoding, streaming, decoding, and display. Using IPTV, DVB-T2 and internet delivery networks, the matches were broadcast to PCs, TVs and tablets, in high-definition, for viewing in France Televisions' public spaces (RGLab), the Orange technical area and in a location in Rennes.
This was the first public demonstration of an end-to-end HEVC delivery chain, incorporating both encoding and decoding in real time. It also provided an opportunity to highlight the technological benefits brought by HEVC for the viewing of sports events in high-definition on multiple devices.
The 4EVER consortium (for Enhanced Video ExpeRience), initiated in 2012, includes nine industrial and academic French partners. Organized as a collaborative project, it is supported by the French Ministry of Industry, three competitiveness clusters, local authorities and the European Regional Development Fund. A three-year project (2012-2015), 4EVER's purpose is to advance French research in the fields of HEVC and Ultra High Definition TV. DVB Members Ateme, France Telecom (Orange and GlobeCast), TeamCast and Technicolor are partners in the 4EVER consortium.
Source: 4EVER
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India Set To Offer Free Mobile TV Using T2
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Prasar Bharati, India's public service broadcaster, which operates Doordarshan and All India Radio, has announced that viewers in ten major cities will soon be able to watch Doordarshan and 19 other channels free on their mobile devices according to India's press agency, PTI.
Doordarshan trialled a DVB-H service in 2007 that transmitted to a 10 km area. "The technology that will be used now is DVB-T2, which can deliver high quality signals to a radius of 90 kilometers," an official Prasar Bharati source said. DVB-T2 services are expected to start before the end of 2013, officials told PTI. The services would then be rolled-out to a further 40 major cities.
"One of the biggest advantages this service would offer is that there would be no buffering. It would be like watching normal high definition TV on the move," said official source.
Source: PTI
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DVB World 2014 Host City Confirmed
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The host city and dates for DVB's annual conference have been confirmed. DVB World 2014 will take place in Prague at the InterContinental Hotel from the 10-12 March. Now in its fourteenth year, DVB World is the largest annual gathering dedicated to DVB standards, services and technologies. It attracts around 200 delegates from around the world representing both DVB Members and non-members alike. It offers an unequaled opportunity to learn about the latest developments within DVB and its social program provides a unique networking environment.
A variety of sponsorship opportunities are available as is limited space for exhibitors to show their latest DVB-based technologies. Contact Desiree Gianetti for sponsorship details and Feyo Kolff for information on exhibiting. You can also sign-up for DVB World email notifications here.
Don't forget to mark these dates in your 2014 calendar as it is an event that you will not want to miss!
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