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单词 spoiler signal
释义

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spoiler signal
Sound Recording. An electronic device incorporated into a piece of recording equipment in order to prevent unauthorized recording, esp. of a compact disc by a digital audio tape deck; also (in full spoiler signal), an electronic signal, inaudible during normal listening, which ruins the recording of any record or soundtrack into which it is incorporated.
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society > communication > record > recording or reproducing sound or visual material > sound recording and reproduction > [noun] > spoiler signal
spoiler1979
society > communication > record > recording or reproducing sound or visual material > sound recording and reproduction > sound recording or reproducing equipment > [noun] > device preventing unauthorized recording
spoiler1979
1979 New Scientist 17 May 522/2 The BPI's chimera is a spoiler signal, buried in the original recording... Spoilers can be made to perform under laboratory conditions, but in practice they are a dead duck. They can, for instance, easily be defeated by a simple anti-spoiler circuit.
1981 New Scientist 5 Nov. 359/2 As spoilers and levies are contradictory (one prevents taping while the other taxes it), the government is unlikely to change its mind on a levy while such confusion exists.
1986 Times 3 Sept. 23/3 The..music industry..wants legislation requiring all dat machines to carry an anti-copying device called a spoiler so that dat cannot pirate copyright material.
1988 Which? July 345/3 CBS recently tried to introduce a ‘spoiler’ system called Copycode. This, it was claimed, would prevent any CD/DAT recording.
extracted from spoilern.
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