Proprietary DVR

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DVRs, or Digital Video Recorders, are devices which record video to a hard drive. The term Proprietary DVR refers to exclusive methodologies used to maintain commercial control over the DVR format and prevent third-party copying of a particular file. CCTV systems are used for the detection and recording of crime, but the analysts and law enforcement personnel who are required to obtain and process video recorded with proprietary DVRs may face problems using the proprietary format.Most established manufacturers will provide tools for law enforcement agencies to play and copy footage from such systems.

The opposite of proprietary DVR is standard or PC-based DVR. (Although, in fact, many proprietary DVR's are PC-based devices.)

Currently there is no standard output for the security industry to follow. Because of this, analysts are forced to obtain a compatible "player" in order to view the video. Some proprietary DVRs are delivered to the end-user in an executable player which allows for navigation. Some require the installation of the player. Others simply require a codec to be available on the system that is playing, then it will become viewable in a common player such as Windows Media Player.

Some proprietary DVR systems offer more than one output format, such as the native format as well as a standard format such as AVI. Some also offer a composite video output PAL or NTSC. Some security companies are reluctant to offer anything other than their proprietary...
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