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However, the transition to digital television was set back three times: first to December 31, 2008, then to February 17, 2009, and then finally to June 12, 2009. [ 12] All U.S. full-power analog TV broadcasts were required by law to end on June 12, 2009. [ 13]
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. Conducted by individual nations on different schedules ...
Digital television. Digital television ( DTV) is the transmission of television signals using digital encoding, in contrast to the earlier analog television technology which used analog signals. At the time of its development it was considered an innovative advancement and represented the first significant evolution in television technology ...
v. t. e. A television antenna, also called a television aerial (in British English ), is an antenna specifically designed for use with a television receiver (TV) to receive terrestrial over-the-air (OTA) broadcast television signals from a television station. Terrestrial television is broadcast on frequencies from about 47 to 250 MHz in the ...
ATSC tuner. Multiple MPEG programs are combined then sent to a transmitting antenna. In the US broadcast digital TV system, an ATSC receiver then decodes the TS and displays it on a TV. An ATSC ( Advanced Television Systems Committee) tuner, often called an ATSC receiver or HDTV tuner, is a type of television tuner that allows reception of ...
DTV receiver. A USB digital TV receiver with its antenna. A DTV receiver is a set-top box that permits the reception of digital television. Its components are very similar to a desktop PC. The DTV receiver is a vital link in the chain of television system. The goal of a broadcasting system is to concentrate the hardware requirements at the ...
Both Australia and New Zealand use 7 MHz channel spacing (for PAL B) on VHF, but the frequencies and channel numbers differ substantially because of Australia revising its VHF TV band usage. Australia adopted Zweiton for stereophonic audio broadcasting, whilst NZ adopted NICAM. For PAL, the only difference is the placement of the NICAM carrier ...
Belo Horizonte and Rio de Janeiro began to receive free-to-air digital signal on April 7 and April 8, 2008, respectively. [100] On August 4, 2008, and October 22, 2008, Goiânia and Curitiba began to receive DTV signal, respectively. Digital broadcast started at Salvador on December 2 and Campinas on December 3, 2008. The government estimated 7 ...