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Digital audio radio service (DARS) is any type of digital radio program service.In the United States it is the official FCC term for digital radio services.. The most popular type of DARS in the U.S. and Canada is SDARS (Satellite Digital Audio Radio Service), used by Sirius Satellite Radio and XM Satellite Radio.
Digital multimedia broadcasting (DMB) and DAB-IP are both suitable for mobile radio and TV because they support MPEG 4 AVC and WMV9 respectively as video codecs. However, a DMB video subchannel can easily be added to any DAB transmission, as it was designed to be carried on a DAB subchannel.
The UK currently has the world's biggest digital radio network, with about 500 transmitters, two nationwide DAB ensembles and 48 local and regional DAB ensembles, broadcasting over 250 commercial and 34 BBC radio stations; about 100 stations can be received in London. On DAB digital radio most listeners can receive around 30 additional stations.
2G refers to the second-generation of cellular network technology, which were rolled out globally starting in the early 1990s. The main differentiator to previous mobile telephone systems, retrospectively dubbed 1G , is that the radio signals of 2G networks are digital rather than analog , for communication between mobile devices and base ...
The first hi-fi DAB tuners go on sale, at a cost of around £2,000. 14 November – BBC Parliament's audio feed on the BBC's national multiplex is closed down. 2001. Digital News Network launches to provide rolling news for the regional DAB multiplexes then licensed in England and Wales. [7] 2002. 2 February – BBC Radio 5 Live Sports Extra is ...
A U.S. judge will consider on Monday the fate of President Donald Trump's buyout offer to two million federal workers as Trump presses ahead with an unprecedented effort to dismantle government ...
The Double Asteroid Redirection Test (DART) was a NASA space mission aimed at testing a method of planetary defense against near-Earth objects (NEOs). [ 4 ] [ 5 ] It was designed to assess how much a spacecraft impact deflects an asteroid through its transfer of momentum when hitting the asteroid head-on. [ 6 ]
3,3′-Diaminobenzidine (DAB) is an organic compound with the formula (C 6 H 3 (NH 2) 2) 2. This derivative of benzidine is a precursor to polybenzimidazole, which forms fibers that are renowned for their chemical and thermal stability. [1] As its water-soluble tetrahydrochloride, DAB has been used in immunohistochemical staining of nucleic ...