BBC Internet Blog: How to build a DVB-T2 modulator & demodulator

Imagine for a moment that it’s January 2008 and that DVB (The Digital Video Broadcasting Project) is currently drafting a specification called DVB-T2 for the next generation of digital terrestrial television transmission (DTT) systems.

For Freeview to remain competitive against other competing delivery channels, such as satellite, cable and in the future IPTV, it has to be able to deliver High Definition content to viewers who now increasingly have HD-ready large flat panel displays in their homes.

So DVB-T2 is a key enabler for DTT, Freeview in the UK, to be able to deliver HDTV services.

So… back to that day in January 2008.

There are about 30 emails every day on the DVB-T2 email reflector as people from all over the world discuss detailed technical aspects of what should be in the specification.

Simply reading these emails is a full-time job in itself.

Ofcom…



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