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Copy Control was the generic name of a copy prevention system, used from 2001 until 2006 on several digital audio disc releases by EMI Group and Sony BMG Music Entertainment in several regions (Europe, Canada, United States, and Australia).
The Serial Copy Management System (SCMS) is a copy protection scheme that was created in response to the digital audio tape (DAT) invention, in order to prevent DAT recorders from making second-generation or serial copies. SCMS sets a "copy" bit in all copies, which
An access-control measure limits access to the contents of the protected work, for example by encryption. A copy-control measure only limits the ability of a user to copy the work. Though the act makes it illegal to distribute technology to circumvent either type of copy protection, only the action of circumventing access-control measures is ...
Digital rights management (DRM) is the management of legal access to digital content. Various tools or technological protection measures ( TPM ), [ 1 ] such as access control technologies, can restrict the use of proprietary hardware and copyrighted works. [ 2 ]
Copy prevention and copy control may be more neutral terms. "Copy protection" is a misnomer for some systems, because any number of copies can be made from an original and all of these copies will work, but only in one computer, or only with one dongle , or only with another device that cannot be easily copied.
Copy Control Information (CCI) is a two byte flag included in digital television streams that allows content owners and cable operators to specify how content can be duplicated. Originally defined as part of the 5C copy protection specification devised by DTCP working group back in 1998, it was later defined as part of the FCCs Plug and Play ...
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CSS attempts to restrict access to the content only for licensed applications. According to the DVD Copy Control Association (CCA), which is the consortium that grants licenses, CSS is supposed to protect the intellectual property rights of the content owner. The details of CSS are only given to licensees for a fee.