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Digital Multimedia Broadcasting (DMB) is a digital radio transmission technology developed in South Korea [4] [5] [6] as part of the national information technology project for sending multimedia such as TV, radio and datacasting to mobile devices such as mobile phones, laptops and GPS navigation systems.
The digital television transition, also called the digital switchover (DSO), the analogue switch/sign-off (ASO), the digital migration, or the analogue shutdown, is the process in which older analogue television broadcasting technology is converted to and replaced by digital television.
June 12, 2009 – final hours of analog broadcast on WWL-TV gave information about websites and telephone numbers for more information about transition.. The digital television transition in the United States was the switchover from analog to exclusively digital broadcasting of terrestrial television programming.
A television transmitter is a transmitter that is used for terrestrial (over-the-air) television broadcasting.It is an electronic device that radiates radio waves that carry a video signal representing moving images, along with a synchronized audio channel, which is received by television receivers ('televisions' or 'TVs') belonging to a public audience, which display the image on a screen.
It was the first to be transmitted in colour in the UK and the first to feature a person, and has become an iconic British image regularly subject to parody. The central image on the card shows Carole Hersee playing noughts and crosses with a clown doll, Bubbles the Clown, surrounded by various greyscales and colour test signals used to assess ...
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
Thus far, besides simulcasting Modernine TV and Television of Thailand, MCOT is test-airing MCOT 1, MCOT 2 and MCOT 3 exclusively on the digital TV platform, transmitted at UHF channel 44, modulated at 64QAM. MCOT was also expected to launch regional channels for each province and/or territory in Thailand, making it 80 MCOT television channels.
The situation with worldwide digital television is much simpler by comparison. Most digital television systems are based on the MPEG transport stream standard, and use the H.262/MPEG-2 Part 2 video codec. They differ significantly in the details of how the transport stream is converted into a broadcast signal, in the video format prior to ...