Archive for the tag 'digital TV model'

Nov 20 2008

What is DVB-T?

Published by admin under Technique Terms

DVB-T is an abbreviation for Digital Video Broadcasting —– Terrestrial; it is the DVB European-based consortium standard for the broadcast transmission of digital terrestrial television. This system transmits compressed digital audio, video and other data in an MPEG transport stream, using COFDM modulation.
Rather than carrying the data on a single radio frequency carrier, OFDM works by splitting the digital data stream into a large number of slower digital streams, each of which digitally modulate a set of closely spaced adjacent carrier frequencies. In the case of DVB-T, there are two choices for the number of carriers known as 2K-mode or [...]

2 responses so far