DIGITAL VIDEO RECORDERS (DVR)

By: SmartAutomation.in

CONTEXTWhat Is DVR?Types Of DVRFeatures of DVRBenefits of DVRComponents Of DVRReferences

WHAT IS DVR?

DVR stands for Digital Video Recorder. DVR is an advanced version of a VCR, however

instead of using a tape, it records and plays back videos digitally.

To store recorded videos it has an inbuilt hard drive just like your computer

DVR is a  security system device which can record videos from up to 16 surveillance cameras on its hard disk.

The frame rate can be switched from real time to time lapse in order to save disk space.

Digital Video Recorders hold better usability than earlier analog VHS tape systems as the videos can be easily transmitted over a computer network.

TYPES OF DVR

Standalone

PC-Based

STANDALONE DVR As the name suggests, a Standalone DVR

doesn’t require to be connected to any other device to work. As a great gadget created for home security, it allows you to monitor the footage captured on your TV and control images with a remote.

The high-resolution images and sharp video

playback proves helpful in critical situations.

A STAND ALONE DVR

PC-BASED DVR PC-based DVRs come with 4, 8, 12, 16 or 32

camera inputs. This type of DVR converts analog signals to digital signals for easy sharing and compressiony

One major benefit of PC-based DVRs is that you can expand the number of supported cameras by adding additional DVR cards to your computer.

A PC BASED DVR

FEATURES OF DVR Records the videos Digitally. Makes a user capable of monitoring multiple

cameras at the same time. Record and Store Videos from Multiple

Cameras simultaneously. Using PC based DVR one can have an eye on

multiple locations and also can switch to a tab where to inspect closely.

It has a capability to store videos on Memory Stick, USB Flash Drive and other portable medias.

BENEFITS OF DVR Provides better ways of storing videos on

portable media. One person can monitor various locations

simultaneously. Storage management is better as it can save

the videos in compressed mode. Advance way of security. It Can be used in those places where a single

camera is not enough to secure the place. Easy to control and manage.

LET’S HAVE A LOOK ON COMPONENTS OF A GENERAL DVR

REFERENCES https://www.google.co.in/ http://www.smartautomation.in/ http://www.smartautomation.in/products-pag

e/home-security-products/cctv-security-camera/dvr/