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Digital video
recorder (DVR) is a device that records video
without videotape to a hard drive-based digital
storage medium. The term includes stand-alone
set-top boxes and software for personal computers
which enables video capture and playback to and
from disk.
The DVR provides a convenient, if limited, replacement
for the multiplexer + VCR combination and provides
non-linear access to recorded material usually
selected by camera ID, time and date. The consistency
of quality of recorded material will in general
be higher than that obtained with analogue tape
although the actual quality achieved may or may
not be better, depending on the compression algorithm
and individual configuration. |
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In general more
programmable options for individual video stream
recording parameters, (picture resolution, number
of frames per second, trigger options, start/stop
times etc), are available, but a DVR is only useful
where the analogue cameras are all cabled back
to the DVR’s location. Competent DVRs now
feature UDP (CAT 5) network ports so that the
device can be provided with an IP address and
thereby become accessible over an Ethernet network.
It uses a single IP address to access thousands
of cameras without loading your network. It's
easy to set up and use. |
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| PC based DVR provide
far better video recording clarity over Time Lapse and
are easier to use and more flexible than standalone
DVR's. These units are available as kits which you install
on your PC or as complete factory built recorders and
provide you with all the functionality you need for
your Surveillance system. Some factory models can be
expanded as your needs grow, this is not the case with
Time Lapse or standalone (Hardware) DVR's.
PC Based DVR work on a computer base system so you can
customize the hardware spec for you need, like Size
of hard drive or Multiple Hard drive, memory and processor.
Etc… |
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4
Channel DVR (up to 4 CCTV Security Camera) |
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8 Channel
DVR (up to 8 CCTV Security Camera) |
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16 Channel
DVR (up to 16 CCTV Security Camera) |
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32 Channel
DVR (up to 32 CCTV Security Camera) |
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Surveillance DVR System.
Standalone DVR System is a perfect DVR solution for those
PC-phobic clients. Every function on this DVR is a matter
of a push of a button. Stand alone DVR has off-site viewing
function that allows you to view from anywhere in the
world. This is all with digital quality. With two or more
internal hard-drive spaces and two external hard-drive
connections, Standalone DVR recording time can extend
at your preference.
Standalone DVR are computer base Machine which run on
Linux, Unix or other proprietary Operating system that
was design to run only one application, which makes the
standalone Device a reliable appliance and does one thing
only. |
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• High
Resolution Recordings (720x480)
• Easy to use and operates
• Fax function usually one button operation
• Very stable and very low maintenance
• Stores large amounts of video or recording
days • Easy network integration |
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4
Channel DVR (up to 4 CCTV Security Camera) |
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8 Channel DVR
(up to 8 CCTV Security Camera) |
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16 Channel DVR
(up to 16 CCTV Security Camera) |
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32 Channel DVR
(up to 32 CCTV Security Camera) |
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