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IP Based CCTV

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IP Based CCTV

IP Based CCTV – The future for Surveillance Solutions

Only a few years ago time-lapse VHS tape based recording was the norm for video surveillance systems, yet even then the limitations were obvious: poor image quality, low frame rates, difficulty in obtaining still images from video footage….  Digital Video Recorders (DVR’s) changed the face of CCTV surveillance by taking the analogue signal output by the cameras and converting it to digital for recording onto hard disk drives. This provided many benefits including better image quality, higher frame rates and more flexible playback capabilities. However, there are inherent limitations in this technology primarily due to the capability of the analogue camera.

Enter the IP Camera and a whole new world of possibilities are opened up. Gone is the limitation on resolution. Gone is the need to run a cable from every camera all the way back to the control room. Gone is the need for specialised recording hardware.

Consider the Benefits of IP based CCTV Surveillance:-

  • Progressive Scan – Many IP cameras use progressive scan, capturing the whole image in one pass, eliminating the motion blur associated with the interlace scan of conventional analogue cameras.
  • Power over Ethernet – No need for separate power supplies, a single CAT5 cable carries both power and signal.
  • Megapixel Resolution – The maximum resolution from an analogue camera is approximately 0.4 megapixels. Many manufacturers are now offering network cameras of up to 5 megapixels. Avigilon, the high definition video specialist, offer cameras of up to 29 megapixels.
  • Aspect Ratio – Analogue cameras have a 4:3 aspect ratio. Network cameras facilitate a selection of aspect ratios to provide panoramic views.
  • Intelligence – Network cameras offer intelligence in the camera facilitating such things as alarm triggering, video transmission only on event etc.
  • Integrated PTZ – Network PTZ cameras do not need additional telemetry connections for control, it is all done along the same cable.
  • Inputs & Outputs – Many network cameras have integrated I/O allowing integration with access control, alarms etc without additional hardware or cabling.
  • Audio – While some analogue cameras have integrated audio they need separate cabling and synchronisation is often a problem. Many IP cameras have integral audio that is fully synchronised and is transmitted along the same cable.
  • Secure communications – Most analogue video signals are transmitted un-encoded allowing easy unauthorised interception. IP cameras can employ the full power of network transmission security features.
  • Infrastructure – IP surveillance is based on a standard network infrastructure so adding additional cameras is as easy as adding extra network points. No need to run cables all the way back to a control room.
  • True Digital – Every time a video signal is converted from analogue to digital or digital to analogue there are losses and hence image degradation. Network cameras capture the image in a digital format that is maintained right through to the point of display, without conversion and without degradation.
  • Scalability – Network based surveillance solutions are inherently scalable and can be extended to hundreds or thousands of cameras across multiple sites and even continents.
  • Lower Total Cost of Ownership – Individual Network Cameras are more expensive than their analogue counterparts but when integrated into a complete system and total life cycle costs are factored in offer a lower total cost of ownership.

Now ask yourself the question:- – – Can I afford not to make the change to IP based cctv surveillance solutions. Call us today to discuss your requirements.

VUETEK:-  Specialists in Network Surveillance Solutions