DVR is an integral part of security systems used for Home and Office Automation.

1. DIGITAL VIDEO RECORDERS (DVR)
By: SmartAutomation.in

2. CONTEXT
What Is DVR?
Types Of DVR
Features of DVR
Benefits of DVR
Components Of DVR
References

3. WHAT IS DVR?

4.  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.

5. TYPES OF DVR
Standalone
PC-Based

6. 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.

7. A STAND ALONE DVR

8. 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.

9. A PC BASED DVR

10. 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.

11. 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.

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

13. REFERENCES
 https://www.google.co.in/
 http://www.smartautomation.in/
 http://www.smartautomation.in/products-
page/home-security-products/cctv-security-
camera/dvr/