DigiTAG Web Letter

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Mercedes-Benz T2

Web Letter

August 2007 | # 62

seeks to inform members and about important developments in the terrestrial television market. month, DigiTAG distributes its web with news updates and exploration of one topic.

To subscribe to the Web Letter, send an email to the Project Office .

DVB-T2 Facts and Fiction

In April the DVB Board formally approved the of the Commercial Requirements for DVB-T2, as by the Commercial Module’s Advanced for Terrestrial sub-group. The Technical took these requirements and them to its formal Call for for DVB-T2, which was addressed restriction to any DVB or non-DVB member who felt they had some to offer. In total 31 proposals for from 21 companies were to the Project Office by the closing in June. The complicated process of through these proposals to the combination which has the potential to best the Commercial Requirements has now in earnest.

But with the publication of the Commercial came voices from which are close to launching services, and those which yet to choose their preferred broadcasting technology: Is there wrong with DVB-T?, we and, Do I need to wait for to be able to deliver HDTV?.

of course, the answer to both is a resounding NO! All over the world has proved itself as a brilliantly method of broadcasting digital TV and can be seen supporting MPEG-2 definition TV in Australia and soon high definition TV in France.

To look for a moment at the United the first European market to terrestrial DVB-T services, the research figures published by the broadcasting and telecommunications regulator show that with 80% of homes now converted to digital close to 19 million DVB-T have been sold. One of homes rely upon for their primary TV set, and the devices are used with the and third sets in kitchens and Such a buoyant mass is a direct result of the economies of which have been in highly sophisticated consumer and this applies also to equipment for the transmitter network. DVB-T for new services to launch the next several years is an way of removing financial risk the business plan.

So what exactly is DVB-T2 to offer that DVB-T not? Well it should not be to anyone, 12 or more years the definition of the original Commercial that we can look back in with ’20-20 hindsight’, and recent advances in semi-conductor and signal processing technology.


In what is surprising is just has been achieved by DVB-T the years. For instance, who would predicted that hundreds of of Mercedes-Benz and BMW vehicles are factory with full-diversity DVB-T TVs? At the other end of the scale, of us saw a prototype standard definition display panel with its rack of associated electronics at in 1991, but we heard no one predicting the ‘must-have’ popularity of large screen HD-Ready IDTVs in the market.

Mercedes-Benz T2

In defining the Commercial Requirements for we have focussed on market for ever increasing payload over the digital multiplex. is driven by interest in both standard definition TV and new high TV services linked with the market uptake of HD-Ready screen TVs. The number of sold in Western Europe is around 24 Million units and is predicted to more than to 115 Million by 2010 (Understanding

Broadcasters are gradually gearing up to more and more programming in and DVB-T2 aims to be an efficient way of this attractive material to home.

The principal Commercial Requirement is for to offer at least 30% more capacity than DVB-T similar reception circumstances. The application for DVB-T2 will be to broadcasters to launch new terrestrial alongside existing DVB-T whilst benefiting from capacity of the DVB-T2 System. The System is designed from the to be received by existing domestic antenna systems and to co-exist existing DVB-T transmissions.

The and services using DVB-T2 are to be commercialised from 2009, but a particular sweet spot of from 2012 when Switch-Off’ is planned to be completed in of Western Europe. A typical could be the launch of high TV services over DVB-T2 on new allotments alongside existing definition TV services using after analogue broadcasts

So good luck to DVB-T2, but don’t interrupt your for DVB-T services!

Source: Ed DigiTAG Project Office his article in DVB Scene (www.dvb.org)

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