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TTA Activities on Standardization of Digital Multimedia Broadcasting Service

This article highlights the current activities and standardization efforts in the field of digital multimedia broadcasting service. It covers topics such as the standardization of T-DMB and AT-DMB specifications, DMB filecasting service, T-DMB data service contents and applications, and TTI weather information for DMB.

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TTA Activities on Standardization of Digital Multimedia Broadcasting Service

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  1. TTA Activities on Standardization of Digital Multimedia Broadcasting Service Michael Park, DJ (DaeJung) KIM TTA

  2. Highlight of Current Activities • DMB Service in Korea • Launched T-DMB commercial service in March 2005 • 7 Video channels, 13 Audio channels, 8 Data channels • The number of subscribers(terminal) is 42million (2010.12) • One of the world’s most successfully deployed technology • Standardization Status • Standardization of T-DMB specification(2003.12) • Standardization of AT-DMB(Advanced T-DMB) specification(2009.06) • 41 standards are published from 2003 until now • 2011 Main issue: Standard for DMB Filecasting Service • To support multimedia content downloading service based on DMB-AF which is file based non-realtime downloading service in T-DMB • Completed and published in September 28, 2011

  3. Highlight of Current Activities • Scope of DMB File-casting service standard • This standard includes; Service scenarios, Requirement of DMB filecasting service, DMB-AF file format for DMB filecasting service and Transmission protocol and signaling method for DMB filecasting service T-DMB & AT-DMB Filecasting Service T-DMB Data Service Contents & Applications DLS TPEG Video Audio Web BWS BIFS Image Java App. SlideShow Demux & Decoders System Framework DMB-AF Tx/Rx Protocol Scope of DMB Filecasting Service MOT Protocol / NPAD DMB-ECG Signalling FIC

  4. Strategic Direction • Service Scenarios for DMB File-casting Service Updates of Navigation Information Segments based Play Service Home-shopping / E-commerce Interactive Education Service

  5. Next Steps / Actions • Standardization of the TTI Weather Information for DMB • To provide local weather information, short term weather forecasting, local weather forecasting, weekly weather forecasting and typhoon information service • Defines weather information transmission, reception and presentation schemes for TTI(Traffic and Traveler Information) services in DMB • Standardization of Interface for Terrestrial DMB DGPS(Differential GPS) Service • To provide the compensation information of location determination for GPS • Defines requirements and specification of the interface between AT-DMB ensemble multiplexer and transmitter

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