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C-Day
C-Day is the name of two television-related events – the first of March 1975, when Australia moved to colour television, and 1 July 2000, the day the UK television industry began accepting only widescreen commercials, an important step in the general move of broadcasting in the UK to the picture format. ==Colour Television in Australia== Australia was a little late in introducing Colour television, to choose the correct television system, waiting about 5 years from the time PAL was invented. It was then forbidden for broadcasters to transmit the chroma burst signal, until the designated day, 1 March 1975.〔http://televisionau.com/timeline/1970-1979 see 1975 about half way down the page〕 The broadcasters were allowed to experiment with transmitting colour signals in the picture area, and get their transmission up and running while people who had already bought colour TV sets could only watch the shows in black and white monochrome. There were some people who built a circuit to circumvent this, where they would synchronise the chrominance decoding oscillator manually.
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「C-Day」の詳細全文を読む
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