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DCS Copy Protection Ltd is a UK company that licenses proprietary content protection technology. It is a direct competitor to Rovi (formerly Macrovision) in the field of analogue copy protection.〔http://www.avsforum.com/avs-vb/showthread.php?t=1169141&page=3 post by Keith Jack, Sigma Designs〕 DCS Copy Protection Ltd is a wholly owned subsidiary of Echostar Corporation.〔http://www.dwightcav.com/ DCS Copy Protection Ltd Homepage〕〔http://www.echostar.com/Services/ContentProtection.aspx Echostar link to DCS Copy Protection Ltd〕 ==Technology== The DCS Copy Protection technology claims to block the copying of analogue video outputs from digital video sources (Digital TV Set Top Boxes, Blu-ray players, etc), modifying the video signal so that DVD recorders, VHS machines etc cannot copy it, while TV sets can display the protected content as normal.〔http://www.dwightcav.com/?page_id=3 DCS Copy Protection Ltd Website 'Technology' section〕 At least some of Hollywood’s major film studios require analogue copy protection to be present in Set Top Boxes as a pre-condition for supplying movies early in their life for sale on Pay-TV platforms.〔http://meetings.waea.org/edu_events/tech_committee/2008/1-08/DisneyContentProtection.pdf Content Protection - Process Overview - The Walt Disney Studios〕 The DCS Copy Protection technology is recognised and/or approved by: * The Advanced Access Content System (AACS) 〔http://www.aacsla.com/license/AACS_Adopter_Agrmt_090619.pdf〕〔http://www.aacsla.com/license/AACS_Content_Participant_Agrmt_090619.pdf〕〔http://www.aacsla.com/license/AACS_Content_Provider_Agrmt_090619.pdf〕 for use in Blu-ray players * The Motion Picture Association of America (MPAA) 〔http://www.bloobble.com/broadband-presentations/presentations?itemid=1062 Content Protection Enabling new choices for consumers - Jim C. Williams, Senior Vice President & Chief Technology Officer, Motion Picture Association of America - slide 8〕 * The Walt Disney Company 〔http://meetings.waea.org/edu_events/tech_committee/2008/1-08/DisneyContentProtection.pdf Content Protection - Process Overview - The Walt Disney Studios - page 12〕 * DVB 〔http://www.dvb.org/technology/standards/A094r4_CPCM_Part_13_Compliance_Framework.pdf CPCM Compliance Framework, Table 10, Rules for Analogue Consumption〕 * The Secure Video Processor Licensing Authority 〔http://svpla.com/docs/QRC034c.pdf Secure Video Processor Device Manufacturer License Agreement, section 6, Output Rules〕 * Third party internet TV systems 〔http://www.freepatentsonline.com/20100064331.pdf US Patent Application US2010/0064331〕〔http://www.faqs.org/patents/app/20080263621 US Patent Application 20080263621 - Set top box with transcoding capabilities〕 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「DCS Copy Protection」の詳細全文を読む スポンサード リンク
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