За мачало на раздела малко инфо за стандарта:
http://en.wikipedia.org/wiki/DVB-C (http://en.wikipedia.org/wiki/DVB-C)
http://www.dvb.org/technology/dvbc2/index.xml (http://www.dvb.org/technology/dvbc2/index.xml)
http://en.wikipedia.org/wiki/MPEG-2 (http://en.wikipedia.org/wiki/MPEG-2)
http://en.wikipedia.org/wiki/MPEG-4 (http://en.wikipedia.org/wiki/MPEG-4)
http://en.wikipedia.org/wiki/Quadrature ... modulation (http://en.wikipedia.org/wiki/Quadrature_amplitude_modulation)