Communications engineering. The standard for digital television broadcast that is used or a launch planed worldwide with the exception of Japan and the USA. In Germany it is broadcasted in the frequency range of 470 MHz - 862 MHz which was formerly used for analog television. The transmission can be terrestrial (DVB-T), over cable (DVB-C) or via satellite (DVB-S). Digital television is received either with a modern (digital) television set or with a settop-box plus an old (analog) television set. Digital television provides better audio and video quality and more channels. Therefore additional services like internet access or subtitles can be offered. Nevertheless, because of the data compression used, the frequency consumption of digital television is much smaller than that of analog TV. Within the same amount of (frequency-) space eight digital broadcasts can be transmitted instead of an analog one.
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