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New DVB-T trends

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DOCUMENTS
Certificates of Quality for end user devices
Minimum requirements
Application for the DVB-T Certificates of Quality
Certificates of Quality for antennas
Minimum requirements
Application for the DVB-T Certificates of Quality
Technical Specification
A1 e-Book (ISO/IEC)
A2 SI-Data use (WG017)
A3 DVB-T List of desired receiver
 

New trends of digital antenna television
There are new developments of digital antenna television after the early and complete analog-digital switch over by the end of 2008 in Germany. On the one hand, terrestrial frequencies as public resources can more effectively be used by signals for the distribution so that now more place is available for other offers next to television: After radio programs about DVB-T in Berlin and Leipzig it will soon be broadcast in Hamburg too. On the other hand, there are higher compression rates than at the DVB-T standard used in Germany for digital TV and meanwhile the successor DVB-T2 has been standardized in 2009. In addition there is a need of  optimization approximately for the mobile reception of the digital antenna television and the fact that the same variety of programs isn't receivable in Germany in all DVB-T regions can not ignored.  

Handover for mobile TV
With the growing number of meanwhile over 750 000 DVB-T receivers in vehicles the demand of more convenient mobil reception grows – both in Germany and also Europe-wide. If one passes today at journeys through several different DVB-T areas with a different frequency occupancy, a new programm search should be started or switch over by hand for the change is needed every time. To make the so-called automatic "Handover" possible, broadcasters, equipment industry and network operators are working for customer-friendly solutions - among others in the Working Group Terrestrial of the German TV-Platform.

Higher compression and pay content
Not all private TV programms spread nationwide via cables and satellite are present in all DVB-T areas. To change this and test at the same time new business models, the RTL group has managed the service VISEO+ together with the satellite operator Eutelsat. Four free-TV programs and two pay-TV programs as a package are transmitted in one multiplex. The service started mid of November 2009 in Stuttgart and will be available at mid of December 2009 in Leipzig/Halle too. For the reception new equipment with compression standard MPEG 4 and conditional access-system Conax is necessary. After 12 month of free reception a monthly rate charged for the two pay-TV programs of VISEO +  - for the first time is thus also terrestrial pay TV in Germany.

Mobile internet and “digital dividend”
At first the more effective use of terrestrial frequencies by the digitalization of the antenna television gets free transmission capacities. These UHF frequencies between 790 and 862 MHz of (channels 61 -69) are described as “digital dividend" and shall be auctioned by the Federal Net Agency (BNetzA) to improve the supply with  broadband Internet Germany-wide. Mobile telephone operators are especially interested and want to use there new mobile telephone standards like LTE (Long Term Evolution). Unsolved by the complementary use of digital broadcast and mobile telephone standards into neighboring or even one frequency is the question of the compatibility. First examinations indicate that it can come to disturbances with the DVB-T receivers situated in the market and cable equipment as well as in the cable networks itself. To develop solutions for the equipment which is in use in millions of households, the experts of the German TV-Platform means, that further examinations are necessary.

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