A

AcuSense - A Hikvision technology meaning accurate sensing, designed to filter out false alarms and quickly detect humans and vehicles.

AI - Artificial Intelligence in IP cameras enable the device to perform advanced features and deliver advanced analytical functions including vehicle and face detection.

ANR - Automatic Network Recovery signals to the camera to record to the onboard SD card if the connection is lost between the camera and NVR.

ANPR - Automatic Number Plate Recognition detects and records a vehicle's number plate. 

Aspect Ratio - refers to the ratio of the width to the height of the image produced by a camera. 

Auto Iris Lens - automatically adjusts the iris in response to the current light levels.

B

Bandwidth - refers to the amount of data that can be transmitted per second.

BLC - Backlight Compensation helps aid in producing clear images regardless of the light environment by optimising the exposure of the image by splitting the image into regions and correcting those with extremely high or low levels of light.

C

CCD - Charge Coupled Device.

CCTV - Closed Circuit Television.

CRT - Cathode Ray Tube.

ColorVu - A Hikvision technology that means colourful views and has been designed to provide colour images 24/7.

D

DDNS - Dynamic Domain Name System automatically updates domain name servers with the current public IP address of an Internet hostname.

E

F

FPS - Frames Per Second refers to the number of still images taken by a camera per second. 

Focal Length - determines the area of coverage that a camera will have, it is measured in millimetres.

FOV - Field of View.

G

GB - Gigabyte, refers to a unit of data.

GUI - Graphical User Interface

H

H.264 and H.265 - Video compression standard.

HD - High Definition 

HDD - Hard Disk Drive used for data storage placed within an NVR.

HDMI - High Definition Multimedia Interface, a cable that can be used to plug a monitor directly into an NVR.

HLC - Highlight compensation was created to help enhance the quality of an image which is struggling with overexposure as a result of strong light sources.

I

I/O - Input/Output

IOIP - Intercom Over Internet Protocol.

IP - Internet Protocol.

IPS - Images Per Second, the number of still images captures per second.

IP Rating - Ingress Protection rating refers to the weather-resistant rating of a camera.

IR - Infrared

J

JPEG - Joint Photographic Expert Group, this is a video compression standard.

K

L

LAN - Local Area Network.

LCD - Liquid Crystal Display.

LED - Light Emitting Display. 

Lens Mount - is the mechanism by which the lens can be attached to the body of a camera.

LPR - License Plate Recognition, much like ANPR this technology reads and stores vehicle number plates.

Live-Guard - A Hikvision technology that combines a visual and audio alarm function with the intention of deterring intruders. 

Lux - is a unit of measure for the intensity of light.

M

MB - Megabyte, a unit of measure for data. 

Megapixels - refers to the resolution of the camera.

MJPEG - Motion Joint Photographic Expert Group video compression standard.

MPEG - Moving Picture Expert Group video compression standard.

N

NAS - Network Attached Storage, can be used to store data from CCTV cameras.

NDAA - National Defence Act Authorisation refers to products that contain no Chinese components.

NVR - Network Video Recorder, records and stores footage captured by CCTV cameras.

O

ONVIF - Open Network Video Interface Forum provides a way for users to connect multiple cameras from different manufacturers to their system.

P

PCMCIA - Personal Computer Memory Card Interface Adapter. Also known as People Can't Memorise Computer Industry Acronyms.

POE - Power over Ethernet enables cables to carry power and data to devices.

PoS - Point of Sale is a transaction monitoring technology that helps users simply sort/search through their transactional data.

PSU - Power Supply Unit.

PTZ - Pan, Tilt, Zoom, a type of camera that features a moveable lens.

PTRZ - Pan, Tilt, Rotate, and Zoom are features to be used during setup only. This is not to be confused with PTZ cameras.

P2P - Peer to Peer technology enables users to easily link their camera with their smartphone.

Q

R

RAID - Redundant Array of Independent Drives.

RTSP - Real-Time Streaming Protocol

S

SATA - Serial Advanced Technology Attachment is the method by which hard drives are attached to an NVR or NAS.

SCSI - Small Computer Systems Interface. 

Synchronous Playback - refers to the number of cameras that can be played back at one time.

T

TB - Terrabyte, a unit of digital data which is equivalent to 1 trillion bytes. 

TVL - Television Lines.

U

UPS - Uninterruptible Power Supply.

USB - Universal Serial Bus.

V

VMS - Video Management System

VOIP - Voice Over Internet Protocol = IP telephony.

W

WAN - Wide Area Network.

WDR - Wide Dynamic Range helps ensure camera images are clear, regardless of the lighting within the scene.

White Light - is used to illuminate an area and potentially act as a deterrent.

X

Y

Z

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