Digital Surveillance System
In the following we will be discussing about an important topic that is “Digital Surveillance System” and will discuss about it in detail within the article. Digital security surveillance system substitutes the obsolete CCTV/VTR/VCP/VCR (analog recording) digital surveillance video surveillance systems.
The Digital surveillance system is that the latest system that offers unmatched flexibility as well as control. On a more importantly since the PCs or personal computers are manufactured for continuous use as compared to VCRs, the system is much more reliable.
Since the recording parameters as well as subsequent search are often done using programmable logic, such a system required much less human intervention. The total price/cost of ownership for such systems comes out to be much lesser than the obsolete VCR’s.
There are two sorts of systems in the market today – one, that’s a standalone camera with built-in PC. The other is just an add-on card that can go into one of the vacant slots of your PC. The former also comes with option of built-in web-server for viewing over the web/internet.
Usual Features Of Add-On Card Based Systems
- Connects up to four CCTV surveillance cameras to the PC
- Recording on the HDD, without need for tapes as well as VCR
- Different recording modes or types full recording or recording only when there is any sort of motion detected.
- On the detection of any sort of motion, option to send Mail or sound alarm on attached speakers. E-mail are often sent after a user defined delay
- Specific or particular areas can be defined for detection of motion.
- Can compress, record as well as retrieve and search video images without any sort of extra equipment
- High level of reliability of digital recording that actually does not fade with time
- Very economical as virtually maintenance free
- Multiple or several cameras can be viewed simultaneously or only 1 at a time
- In auto scan mode the display time per Camera can actually be fixed
- Search the images by Time, Date or Camera no more putting in different sorts of tapes as well as rewinding them endlessly.
- Software and also remote access password protected
- To save Hard disk space, lower quality recording is possible during normal time, however switches on to higher quality once any sort of motion is detected
- Times can be preset for starting as well as stopping the recording for each and every camera
- Start as well as stop time for Motion detection can also be set-up. This is particularly or specifically useful during night and holidays.
- Option to playback frame by frame
- In built zoom while playing back
- Selected frames can be saved or printed.