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< DataCompression | Knowledge Base | Directory >

Technical support for DTV is also available. Note: the WikiName of this page is "DigitalTelevision-KnowledgeBase" to avoid confusion with the DTV Support page.

Digital TelVision

"Digital Television" refers to several technical standards for the over-the-air transmission of audio/visual information by waves carrying digitally coded information. In the U.S. the ATSC system replaces NTSC analogue TV and in Europe the DVB system replaces PAL analogue TV. In analogue TV (sometimes known as STV) A/V information was transmitted by waves continuous in time and amplitude.

DTV roll-out in the U.S. was subject to a great many delays and much confusion before finally taking place in June 2009. Patronizing news "reports" that vast numbers of old people would loose service and become irate, voting their senators out of office proved incorrect.

DTV is high definition and provided that the viewer has a HDTV set offers superior picture and sound quality compared to (standard definition) analogue broadcasts. For example, U.S. analogue TV video was 480 lines high, whereas DTV broadcasts may be either 720 or 1080 lines high.

Please consult the Digital Television Use Guide for more information on this topic.

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