Digital Media Copy Protection
nmay have restricted access depending on the terms of the copyright owner. This protects copyrighted media files from being illegally copied and used.Digital media content such as DVDs or TV programs
For more detailed information about digital rights management, you can go to: http://www.microsoft.com
Digital music and video providers may have playback restrictions for downloaded media files.
When you record certain music or video files, they may retain copy protection such as digital rights management (DRM). DRM encrypts digital media content and limits access to people who have a license to play the content.
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HP supports lawful use of technology and does not endorse or encourage the use of our products for purposes other than those permitted by copyright law.
Copy protection for DVD movies
Most DVD movies in the market are encrypted with copy protection to prevent illegal duplication of copyrighted material. This protection distorts the picture quality when copied or prevents it from being copied. The following tables shows two of the currently used copy protection methods and their effect on playback.
CGMS*
Signal Method | Source | Record | Encrypt | Playback |
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Copy freely | NTSC | Yes | No | Unlimited |
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Reserved | NTSC | Yes | No | Unlimited |
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Copy once | NTSC | Yes | Yes | Unlimited |
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Copy never | NTSC | Yes | Yes | 48 hours |
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*CGMS is Copy Generation Management System and Redistribution Control |
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Macrovision
Signal Method | Source | Record | Encrypt | Playback |
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Null | Any | Yes | No | Unlimited |
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Detected | Any | Yes | Yes | 48 hours |
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104 HP Media Center PC Reference Guide