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Digital TV DVB-S2

DVB-S2 Logo

 

 

 

DVB-S2 (EN302 307) is a digital satellite transmission system developed by the DVB Project. It makes use of the latest modulation and coding techniques to deliver performance that approaches the theorectical limit for such systems.DVB-S2 will gradually replace DVB-S in the future, as new HD services entice users to upgrade their receivers to more efficient DVB-S2 models. DVB-S2 takes advantage of advanced techniques for channel coding, modulation and error correction to create a system that would make a range of new services commercially viable for the first time eg when combined with the latest video compression technology, DVB-S2 would enable the widespread commercial launch of HDTV services.

 

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Digital TV DVB-T2

DVB T2

 

 

 

What is DVB-T2? DVB-T2 is the world’s most advanced digital terrestrial television (DTT) system, offering more robustness, flexibility and at least 50% more efficiency than any other DTT system. It supports SD, HD, mobile TV, or any combination thereof.

Map of Digital Terrestrial Systems.Blue indicates countries that have adopted or deployed DVB-T,or DVB T2.

 

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Digital TV DVB-T

DVB-T is an abbreviation for Digital Video Brodcasting Terrestrial DVB-T

 

 

DVB-T is a technical standard, developed by the DVB Project, that specifies the framing structure, channel coding and modulation for digital terrestrial television (DTT) broadcasting. The first version of the standard was published in March 1997 and in the twelve years since then it has become the most widely adopted DTT system in the world. It is a flexible system that allows networks to be designed for the delivery of a wide range of services, from HDTV to multichannel SDTV, fixed, portable, mobile, and even handheld reception. The DVB Project has now created a next generation terrestrial specification, DVB-T2, designed to meet the needs of countries after they have completed Analogue Switch-Off (ASO).

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Digital TV DVB-H

DVB-H

DVB-H Receiver 

 

 

DVB-H is a technical specification for the transmission of digital TV to handheld receivers such as mobile telephones and PDAs. Published as a formal standard (EN 203 204) by ETSI in November 2004, it is a physical layer specification designed to enable the efficient delivery of IP-encapsulated data over terrestrial networks. The creation of DVB-H, which is closely related to DVB-T, also entailed modifications of some other DVB standards dealing with data broadcasting, Service Information, etc. It can be used as a bearer in conjunction with the DVB-IPDC systems layer specifications or alternatively with the OMA BCAST specifications. A non-proprietary open standard, DVB-H has broad support across the industry and services are now on air in more than ten countries.

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