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The five main ATSC formats of DTV currently [when?] broadcast in the U.S. are: . Standard definition—480i, to maintain compatibility with existing NTSC sets when a digital television broadcast is converted back to an analog one [citation needed] —either by a converter box or a cable/satellite operator's proprietary equipment
Terrestrial broadcasting switched to the digital standard (DVB-T) in 2007 and to DVB-T2 in 2019. Cable started broadcasting digital in 2001. Most cable companies switched off analogue in 2021. Satellite broadcasting switched to the digital standard (DVB-S) in 1996 and to DVB-S2 around 2010. The last DVB-S channels were shut down in 2016.
Different digital television broadcasting standards have been adopted in different parts of the world; below are the more widely used standards: Digital Video Broadcasting (DVB) uses coded orthogonal frequency-division multiplexing (OFDM) modulation and supports hierarchical transmission. This standard has been adopted in Europe, Africa, Asia ...
Advanced Television Systems Committee (ATSC) standards are an international set of standards for broadcast and digital television transmission over terrestrial, cable and satellite networks. It is largely a replacement for the analog NTSC standard – like that standard – is used mostly in the United States , Mexico , Canada , South Korea ...
A world map showing deployment of standards for terrestrial-broadcast digital TV. Blue represents DVB-T, orange represents ATSC, green represents ISDB-T, magenta represents DTMB. Items portrayed in this file
Digital broadcasting standards are only used to broadcast video to viewers; Digital TV stations usually use SDI irrespective of broadcast standard, although it might be possible for a station still using analogue equipment to convert its signal to digital before it is broadcast, or for a station to use digital equipment but convert the signal ...
Map of digital terrestrial television broadcasting standards by country. All modern high-definition broadcasts utilize digital television standards. The major digital television broadcast standards used for terrestrial, cable, satellite, and mobile devices are: DVB, originating in Europe and also used in much of Asia, Africa, and Australia
Digital TV Standards around the world. This is the list of the stations on digital television in the Philippines. [1] The availability of channels to viewers depends on their location. The National Telecommunications Commission (NTC) has adopted the ISDB-Tb standard for Philippine television.