单词 | digital television |
释义 | digital televisionn. 1. Originally: television in which an incoming analogue signal is converted at the receiver to a digital signal, which can be more readily processed before being used to form the picture. Later: a system of television broadcasting in which programmes (and other material, such as text) are transmitted and received as digital signals (whether by cable, satellite, terrestrial broadcasting, etc.) and are decoded by a device in or attached to the television set. ΘΚΠ society > communication > broadcasting > television > [noun] > types of television system radiovision1924 colour television1927 phonovision1927 Scophony1932 stratovision1945 subscription television1945 Phonevision1947 pay television1950 subscription TV1950 telemeter1951 Web TV1952 pay TV1954 toll television1956 digital television1957 slot television1958 digital TV1959 satellite television1961 satellite TV1961 cable television1965 satellite1982 1957 Electronics Monthly Oct. 18/2 (advt.) Electronic engineer required for challenging non-military project in digital television system. 5 yrs. experience in television, pulse and/or computer circuits required. 1984 Rotarian Oct. 16/2 Digital television will incorporate sophisticated silicon-chip circuitry to process the video signal. 1998 Independent 9 Oct. i. 13/1 The days of the video rental shop could be numbered thanks to the launch of dozens of new movie channels on digital television. 2006 R. Boyle Sports Journalism vi. 129 By 2005, over 66 per cent of homes in the UK had digital television. 2. Originally: a television set incorporating computer technology for converting an analogue signal to a digital one and subsequently processing it. Later: a television set which can receive and display digital signals. ΚΠ 1982 N.Y. Times 27 Nov. 36/6 A digital television using a computer chip that permits viewers to watch two different channels at once. 1987 A. Wilden Rules are no Game vii. 223 Digital computers and digital devices include..the recently developed digital radar, digital television, and digital phonograph records. 1999 Cincinnati Mag. Nov. 13 $7,000. Current average cost of a digital television. 2006 J. Taylor et al. DVD Demystified (ed. 3) xvii. 12 Video from existing DVDs and players will look better than ever on widescreen digital televisions. This entry has been updated (OED Third Edition, November 2010; most recently modified version published online March 2022). < |
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