1st Dec 2008
Glossary: JPEG
A JPEG is a way of storing images on a digital device such as IP CCTV cameras, digital cameras and mobile phones. JPEG is a compressed image format…
1st Dec 2008
Glossary: MJPEG
MJPEG is short for Motion-JPEG which is a means of storing video footage from IP cameras and digital camcorders.
An MJPEG Movie consists of m…
24th Oct 2008
Glossary: Tampering Alarm
The Tampering Alarm is an intelligent feature found on IP CCTV cameras which have a strong focus on security, such as tamper/vandal resistant IP ca…
20th Oct 2008
Glossary: Network Video Recorder (NVR)
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Network Video Recorder (NVR) is a digital device which sits on your IP CCTV network to receive live image/video streams and record them d…
30th Sep 2008
Glossary: Power over Ethernet Midspan
When used in conjunction with Power over Ethernet compatible equipment such as an IP CCTV security camera, a midspan is the device used to combine…
30th Sep 2008
Glossary: IP camera ports
Note: NW no longer recommends the use of port forwarding, except in certain specific scenarios where it may be required and where other security mi…
26th Sep 2008
Glossary: Automatic Gain Control (AGC)
In low-light conditions, some IP security cameras use Automatic Gain Control (AGC) to artificially improve their "dynamic range" and produce usable…
17th Sep 2008
Glossary: Progressive Scan
Progressive scan is a technology associated with an IP camera's imaging sensor and is used when transmitting, displaying or storing moving images.…
16th Sep 2008
Glossary: High Power PoE (IEEE802.3at)
Power over Ethernet (PoE) is a technology which allows IP cameras to be powered using the same standard Ethernet cable which carries the data conne…
9th Jul 2008
Glossary: International Protection Rating (IP66, IP65, IP54)
When considering IP cameras or IP camera equipment for outdoor surveillance you may see a number attached to each product such as 'IP66' or 'IP54'…
8th Jul 2008
Glossary: Pan tilt zoom (PTZ)
Pan-tilt-zoom (PTZ) is a name given to a type of IP camera where the user can control the movement and position of the lens from a remote location…
7th Jul 2008
Glossary: Privacy Masking
Privacy masking is a feature found in many IP cameras which are used to protect personal privacy by concealing parts of the image from view with a mas…