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Copy protection method, cablecard module, and video system of digital cable broadcasting channel according to predetermined digital cable broadcasting standard
Copy protection method, cablecard module, and video system of digital cable broadcasting channel according to predetermined digital cable broadcasting standard
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机译：根据预定的数字有线广播标准的版权保护方法，有线卡模块和数字有线广播频道的视频系统
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摘要
A copy protection method of a digital cable broadcasting channel according to a predetermined digital cable broadcasting standard is provided which comprises changing a channel to a first digital cable broadcasting channel and exchanging a copy protection value of the digital cable broadcasting standard between a CableCARD module and a video device corresponding to the channel change operation of the first digital cable broadcasting channel without regard to at least one former channel with respect to the first digital cable broadcasting channel.
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