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Digital broadcasting is the practice of usingdigital signals rather thananalogue signals forbroadcasting over radiofrequency bands (radio broadcasting).Digital television broadcasting (especiallysatellite television) is widespread.[citation needed]Digital audio broadcasting is being adopted more slowly forradio broadcasting where it is mainly used inSatellite radio.[citation needed]
Digital links, thanks to the use ofdata compression, generally have greaterspectral efficiency than analog links. Content providers can provide more services or a higher-quality signal than was previously available.[citation needed]
It is estimated that the share of digital broadcasting increased from 7% of the total amount of broadcast information in 2000, to 25% in 2007.[1][2] Some countries have completed aDigital television transition.[citation needed]
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