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单词 digital television
释义

digital televisionn.

Brit. /ˌdɪdʒᵻtl ˈtɛlᵻvɪʒn/, /ˌdɪdʒᵻtl tɛlᵻˈvɪʒn/, U.S. /ˌdɪdʒᵻdl ˈtɛləˌvɪʒ(ə)n/
Origin: Formed within English, by compounding. Etymons: digital adj., television n.
Etymology: < digital adj. + television n.
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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n.1957
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