DRM (short for Digital Rights Management) can be considered as an anti-piracy and remote control technology used by publishers, programmers, musicians and movie artists as digital copyright owners on how people install, listen to, watch and copy digital media files. Typically DRM is implemented by embedding code that prevents copying, specifies a time period in which the content can be accessed or limits the number of devices the media can be installed on.
For digital content this means preventing the consumer access, denying the user the ability to copy the content or convert it to other formats. For devices this means restricting the consumers on what hardware can be used with the device or what software can be run on it.
DRM always applies licensed encryption keys to prevent anyone from duplicating or using the file illegally. People who pay for these licensed encryption keys are given the unlock codes to use the file for themselves, but are usually prevented from then sharing that file with other people. DRM comes in many different forms in four common stages: packaging, distribution, license serving, and license acquisition.
The use of digital rights management is not universally accepted. It is controversial and arguable because people may think they do not really own the file even buying it. Those opposed to DRM deem there is no proof that DRM can really help prevent copyright infringement, arguing instead that it serves only to inconvenience legitimate customers, and that DRM helps big business stifle innovation and competition. Furthermore, works can become permanently inaccessible if the DRM scheme changes or if the service is discontinued.
Circumventing DRM may be illegal in and of itself, regardless of ownership of the IP (intellectual property) or intent after disabling the DRM method. However, according to the US laws itself, it is legal to rip a copy of copyrighted material for your own use under the concept of Fair Use.
It is very likely to have DRM encrypted on your file if any of the following situations happen:
1. You are using a WMA file;
2. You need specific software or music player hardware to play the file;
3. You are limited in number of times/hours/days you can download;
4. You are limited in the number of different computers you can download;
5. You are limited in the number of times you can burn a DVD;
6. You need a special password and/or logon ID before you can play the file;
7. You need to reply to confirmation emails before you can play the file;
8. In some instances, AAC files have DRM locks.
Today's iOS devices are so self-supporting that purchased media can be downloaded and redownloaded without the bothers of DRMs purchased in iTunes earlier days anymore.
Besides, there are softwares that remove or bypass DRM in audios, videos, DVDs, etc. For example, WinX DVD Ripper Platinum and WinX DVD Ripper for Mac are two DVD backup programs running on different platforms (Windows and Mac OS).
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Graduated from Nanyang Technological University, Singapore, she employs herself in IT related content creation (since 2013) and happens to perfectly combine her major (computer & science) and her gusto (writing). She's seasoned at offering video audio conversion workarounds and always passionate about new trends, from hot HEVC, 4K to the new AV1 codec.