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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 years for complete signal expansion over all of the territory. Analog television is scheduled to be shut down on October 25, 2017.
The analog signal is frequency modulated and is converted from an FM signal to what is referred to as baseband. This baseband comprises the video signal and the audio subcarrier(s). The audio subcarrier is further demodulated to provide a raw audio signal. Later signals were digitized television signals or multiplex of signals, typically QPSK.
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Nigeria's media scene is one of the most vibrant in Africa. Television and radio remain the most important medium of mass communication and information, with Social media rapidly emerging as the next big medium. International broadcasters, including the BBC, are popular. [10]
The trial licence was granted to the South African Broadcasting Corporation (the applicant on behalf of the NAB radio members) by the regulator, the Independent Communications Authority of South Africa (ICASA). The trial will run from 1 April 2014 to 31 March 2015, and Sentech will be the signal distributor for the duration of the trial.
Mobile technology in Africa is a fast growing market. [1] Nowhere is the effect more dramatic than in Africa, where mobile technology often represents the first modern infrastructure of any kind. [2] Over 10% of Internet users are in Africa. [3] However, 50% of Africans have mobile phones and their penetration is expanding rapidly. [4]
Telecommunications infrastructure in South Africa provides modern and efficient service to urban areas, including cellular and internet services. The Independent Communications Authority of South Africa (ICASA) is the watchdog of the telecommunications in the country.