Digital television
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Digital television is the transmission of television signals using digital encoding, in contrast to the earlier analog television technology which used analog signals. In the 2000s it was represented
Comparison of image quality between ISDB-T (1080i broadcast, top) and NTSC (480i transmission, bottom)
The digital television transition, also called the digital switchover, the analogue switch/sign-off, the digital migration, or the analogue shutdown, is the process in which older analogue television
Digital television
…to tune in the digital signals. In the United States, a government-sponsored coupon was available to offset the cost of an external converter box. The digital television transition began around the late 1990s and has been completed on a country-by-country basis in most parts of the world. Prior to the conversion to digital TV…
Analogue closedown warning broadcast in Finland
Analogue closedown warning broadcast in Portugal
Analogue closedown warning broadcast in Spain.
Analogue closedown warning broadcast in Brazil