Digital Rights Management is an umbrella term that refers to any of several technologies used by publishers or copyright owners to control access to and usage of digital data or hardware, and to restrictions associated with a specific instance of a digital work or device. The term is often confused with copy protection and technical protection measures; these two terms refer to technologies that control or restrict the use and access of digital content on electronic devices with such technologies installed, acting as components of a DRM design.
With what the DRM is used?
The DRM results from a very simple report: the numerical supports are particularly favourable with the copy: it is enough to a click of mouse to duplicate the contents of a file on another support. From where interest of crypter these files in native mode, so that one can read only with one adapted and made safe reader.
Which are the media concerned?
All the media are concerned as from the moment when they can be diffused in numerical form. The sound is today the first market of the DRM.
Protection of the numerical rights has includes other types of files: scientific contracts, documents and software, even if they are not to be strictly accurate media but rather productions entering under cover of the intellectual property.
Does the DRM change the economic models of diffusion?
The DRM offers a control much narrower and skeletal of the diffusion of the contents. It is now possible of personaliser in detail the diffusion of each marketed file: how much time could it be copied from another support, how much time could it be read, during how many days it will remain accessible, etc.... The DRM is not fixed: other models of diffusion remain to be imagined, the only limit being the degree of enthusiasm of general public for these new processes, which are always likely to hustle its practices, and to fail to allure them.
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