DVR Abbreviation

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Popular abbreviations of DVR:

Searching for DVR abbreviation / DVR full form leads to different results in different categories. The below table illustrates the popular acronyms among them.

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What does DVR mean?

A Digital Video Recorder or DVR is a device that records videos digitally. The recorded videos are saved in the memory card, USB and disk drive, etc. DVRs can be used to capture the on-site analog video sources. DVRs are designed to replace older footage when the storage is full. 

Features of DVR

• DVR provides the output to the external monitor. 
• DVR provides access to functions like archived footage, events and time. 
• The user can manually set the resolution of the video recording. 
• DVR includes the notification of events from the various security devices attached to the personal computer. 
• The audio recording provided by the DVR is multi-channel.
• DVR sends notifications to its users if there is any connectivity issue with the device. 
• DVR allows the attachment of multiple devices and inputs. 
• The DVR provides input/output connections for the PTZ cameras. 
• The DVR can quickly fit into the rack of the server. 

Advantages of DVR 

• It provides a technical and digital version of video recorders. 
• DVRs are handy and very comfortable to use. 
• DVR uses very low data for its operations. 
• Disadvantages of DVR
• Digital Video Recorders need a power supply to operate. 
• The IP camera does not support DVR.
• The frame rates and resolutions are lower in DVR. 
• Not all models of DVR record the audio. 
• One needs to have the technical knowledge for the installation of the DVR. 

Difference between Network Video Recorders (NVR) and Digital Video Recorder (DVR)

There are two types of video surveillance system

• Network Video Recorders (NVR): 
• Digital Video Recorder (DVR)

The difference 

• Data is first encrypted in the camera and then sent to storage. While in a DVR, data is processed in the recorder itself. 
• NVR works well with IP cameras, while DVRs go with analog cameras.
• NVR can also provide wireless connections, and DVR has wired connections only.