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Term catalog /Definition

May 3, 2011

1.3DDNR: 3-D Digital noise reduction. For processing the video so there is lessnoise (noise are something like those colorful static, snowy things on thevideo, can be from any electrical interference.

2. Auto Iris:The Auto Iris Lens is a type of lens that can be electronically controlled.This type of lens allows maintaining the lighting level. It is applicable wherethe light condition varies continuously. Auto iris lens allows the camera toadjust to get the best picture in the given lighting conditions. There are twotypes of Auto iris lenses, Fixed Auto Iris lenses and Varifocal Auto Iris lens.Auto iris lenses are best lens to use in any application as they are flexibleand can adjust to changing light levels. Auto iris lenses are used to produceconsistent video signals from cameras that view scenes in any varying lightlevels. Auto iris lenses combines an electronically controlled iris, whichallows the lens to maintain one light level making them ideal for outdoor useor any other applications.

3. Baud Rate:The baud rate is associated with many mathematicalformulas. Its units are either symbols per second or pulses per second. Baud can be determined by using thefollowing formula: Baud =(Gross Bit Rate /Number of Bits per Symbol). This can be used to translate baud into a bit rateusing the following formula: Bit Rate =(Bits per Symbol * Symbol Rate). Baud can be abbreviated using the shortenedform “Bd” when being used for technical purposes. Setting for PTZ, Baud rate/Camera address/Protocol on camera must be the same as on the DVR in order tomake the PTZ from the DVR.


VGA: Video Graphics Array (VGA) refers specifically to the display hardware firstintroduced with the IBM PS/2 line of computers in 1987.

BNC: The BNCconnector (Bayonet NeillConcelman) is miniatures quick connect or

disconnect  RF connector used for coaxial cable. It features two bayonet lugs on the female connector;mating is achieved with only a quarter turn of the coupling nut. BNCs areideally suited for cable termination for miniature-to-subminiature coaxialcable.

HDMI: High-Definition Multimedia Interface is a compactaudio/video interface for transferring uncompressed digital video data andcompressed/uncompressed digital audio datafrom an HDMI-compliant device ("the source device") to a compatible digital audio device, computer monitor, video projector, or digital television. HDMI is a digital replacement for existing analog video standards. HDMI support 1080P.

File:Vector Video Standards2.svg close up image of the end of an HDMI type A plug connector.


                              VGA                                BNC                                         HDMI

5. CCD:Charger-coupled-device also refers to the camera’s image sensor.

6. CMS: CentralManagement system, the software on the CD that ships with our DVR is thisprogram, allowing multiple DVRs and up to 1000 cameras to be view at the sametime.

7. CMOS:Complementary metal-Oxide-semiconductor refers to the camera’s image sensortechnology. (cheaper to manufacture, also smaller, uses less power and a newertechnology)

8.CS Mount( Seawolf box camera):  refers to the mounting style of the lens,the way the lens screw into the box camera.

9.DVR: A digitalvideo recorder (DVR), sometimesreferred to by the merchandising term personalvideo recorder (PVR), is a consumer electronics device or application software that records video in a digital format to a disk drive, USB flash drive, SD memory card orother local or networked mass storage device.The term includes set-top boxes (STB)with direct to disk recording facility, portable media players (PMP) with recording, recorders (PMR) as camcordersthat record onto Secure Digital memory cards and software for personal computers whichenables video capture and playback to and from a hard disk drive. A television set with built-in digital video-recording facilities wasintroduced by LG in 2007, followedby other manufacturers.


10. Dual stream: Masterstream and Sub stream. Master stream: same FPS and resolution at live view andDVR (ex: D1 at 30 fps), required more bandwidth. Sub stream: lower the FPS andresolution of the live video (ex: D1 at 30 fps at the DVR will become CIF at 7fps in internet explorer, can be change inside setting, and required morebandwidth). Sub stream is good for networks with slow upload speeds, all thecameras are on sun stream by default when you access it remotely.


11.Digital Zoom: Digital zoom on the other hand is not atrue form of a zoom function. The image itself doesn't actually come any closeras the optics in the camera stays the same. The way the digital zoom works ismuch the same way as it does on your PC at home. The idea behind digital zoomis that it takes a portion of the image and expands that image to the full sizeof the picture. What happens here is that the section of image that you arelooking at becomes bigger, not closer. The image does look closer because ithas been expanded however all that has happened is that the image quality hasbeen reduced because it has been expanded with no new data for the image. Thereis nothing digital zoom can do that you can't do on any standard art package athome. You may as well take the picture like you would a normal camera and thenalter the zoom to exactly the way you want it at home. It will be no better orworse doing it this way that it would using a digital zoom function.

12. Dual core:refers to the processor in the motherboard of the DVR, will be able to formathard drive faster, and boot up faster, same as old DVR, but faster.

13. DVD RW: DVDburner for the DVR.

14.E-Map: One of the function of CMS, able to take a picture (ex: a floor plan)click and drag connected cameras to specific spots on the picture (ex: Drag thefront door camera to the front door spot on the floor plan) and double clickingthe camera icon will pop up a live view of the camera.

15.FPS: Frame rate (also known as framefrequency) is the frequency (rate) at which an imaging device produces unique consecutiveimages called frames. The term applies equally well to film and video cameras, computer graphics, and motion capture systems. Frame rate is most often expressed in frames persecond (FPS) and is also expressed in progressive scan monitors as hertz (Hz). 30 FPS is real time.

16. Fisheyecamera: A fisheyelens is an ultra-wide-angle lens that produces strong visual distortion intended to create awide panoramic or hemispherical image.[1][2] Fisheye lenses achieve extremely wide angles of view by forgoing producing images with straight lines ofperspective (rectilinear images), opting instead for a special mapping (for example: equisolid angle), which gives images a characteristic convex non-rectilinearappearance. In simple, fisheye camera can have a really wide angle view.

17.GB/TB: referto the hard drive size. Gigabyte/ Terabyte, 1000GB=1TB.

18. HD: High Definition 720 P ( 1.3Megapixel, 1280x1024)

Full HD:  Full HighDefinition 1080 P (2.1 Megapixel, 1920x1080)

Resolution chart:



19.DSP: Digital Signal Processing, a technique by which video quality can beimproved by adjusting parameters of the video signal.

20. HD-SDI: Serial digital interface (SDI) is a family of video interfaces standardized by SMPTE (The Society of Motion Picture and Television Engineers). For example, ITU-R BT.656 and SMPTE 259M define digital video interfaces used for broadcast-gradevideo.
A related standard, known as high-definition serial digitalinterface (HD-SDI), isstandardized in 
SMPTE 292M; this provides a nominal data rate of 1.485 Gbit/s.


Solidparticle protection

The first digitindicates the level of protection that the enclosure provides against access tohazardous parts (e.g., electrical conductors, moving parts) and the ingress ofsolid foreign objects.


Object size protected against

Effective against


No protection against contact and ingress of objects


>50 mm

Any large surface of the body, such as the back of a hand, but no protection against deliberate contact with a body part


>12.5 mm

Fingers or similar objects


>2.5 mm

Tools, thick wires, etc.


>1 mm

Most wires, screws, etc.


Dust protected

Ingress of dust is not entirely prevented, but it must not enter in sufficient quantity to interfere with the satisfactory operation of the equipment; complete protection against contact


Dust tight

No ingress of dust; complete protection against contact

Liquidingress protection

The second digitindicates the level of protection that the enclosure provides against harmfulingress of wate.


Protected against

Testing for



Not protected


Dripping water

Dripping water (vertically falling drops) shall have no harmful effect.

Test duration: 10 minutes

Water equivalent to 1 mm rainfall per minute


Dripping water when tilted up to 15°

Vertically dripping water shall have no harmful effect when the enclosure is tilted at an angle up to 15° from its normal position.

Test duration: 10 minutes

Water equivalent to 3 mm rainfall per minute


Spraying water

Water falling as a spray at any angle up to 60° from the vertical shall have no harmful effect.

Test duration: 5 minutes

Water volume: 0.7 litres per minute
Pressure: 80–100 kPa


Splashing water

Water splashing against the enclosure from any direction shall have no harmful effect.

Test duration: 5 minutes

Water volume: 10 litres per minute
Pressure: 80–100 kPa


Water jets

Water projected by a nozzle (6.3 mm) against enclosure from any direction shall have no harmful effects.

Test duration: at least 3 minutes

Water volume: 12.5 litres per minute
Pressure: 30 kPa at distance of 3 m


Powerful water jets

Water projected in powerful jets (12.5 mm nozzle) against the enclosure from any direction shall have no harmful effects.

Test duration: at least 3 minutes

Water volume: 100 litres per minute
Pressure: 100 kPa at distance of 3 m


Immersion up to 1 m

Ingress of water in harmful quantity shall not be possible when the enclosure is immersed in water under defined conditions of pressure and time (up to 1 m of submersion).

Test duration: 30 minutes

Immersion at depth of at least 1 m measured at bottom of device, and at least 15 cm measured at top of device


Immersion beyond 1 m

The equipment is suitable for continuous immersion in water under conditions which shall be specified by the manufacturer. Normally, this will mean that the equipment is hermetically sealed. However, with certain types of equipment, it can mean that water can enter but only in such a manner that it produces no harmful effects.

Test duration: continuous immersion in water

Depth specified by manufacturer


22.IP camera: An Internet protocolcamera, or IP camera, is a type of digital video camera commonly employed for surveillance, and which unlike analog closed circuit television (CCTV) cameras can send and receive data via a computernetwork and the Internet. Although most cameras that do this are webcams,the term "IP camera" or "netcam" is usually applied only tothose used for surveillance. can be hooked into a router with a PoEswitch, can be uses with a NVR or just by itself (access the IP camera with itsIP address or the program that comes with it called PSS (Pro SurveillanceSystem), can also be accessed with smartphone app iDMSS after ports are openedon the router for the IP camera.

23.IRcutter : Infrared cut-off filters, sometimes called IR filters or heat-absorbingfilters, are designed to reflect or block mid-infrared wavelengths while passing visible light. They are often used in devices with bright incandescent lightbulbs (such as slide and overhead projectors) to prevent unwanted heating. There are also filters whichare used in solid state (CCD or CMOS)video cameras to block IR due to the high sensitivity of many camera sensors to near-infrared light. These filters typically have a bluehue to them as they also sometimes block some of the light from the longer red wavelengths. In simple, an IR cut filter is an extra filter inside thecamera that moves behind the camera lens when it have low light source. Acamera with an IR cut filter will produce very high quality images in low lightcondition.

24. LuxRating: A LUX, abbreviated lx, is the InternationalSystem of Units (SI) measure of the intensity of light. It can be thought of asthe strength of light as determined by the human eye. A LUX is based on anotherunit of light measurement called a lumen, which is based on yet another unitcalled a candela. In the United States, the non-SI unit to measure lightintensity is the footcandle. One foot candle is approximately equal to 10.8LUX. In order to put things in perspective, here some are some setting exampleswith their equivalent LUX rating:

• A quarter moon-lit night produces about .01 LUX
• A full moon on a clear night produces about 0.27 LUX
• A full moon on a clear night near the equator produces about 1 LUX
• An average family room produces about 50 LUX
• An overcast, dark day produces about 100 LUX
• Typical office lighting ranges from about 300 to 500 LUX
• Direct sunlight can range from about 30,000 to 130,000 LUX

The LUX ratingof a security camera is based on several factors, three of which are the lens,sensor chip, and “F stop.” The lower the LUX rating of a security camera theless light is needed for the camera to produce a usable picture (video).

25. Manual Iris: TheManual Iris lens is the simplest type of iris control lens with manualadjustment to set the iris opening in a fixed position. These are generallyused for fixed lighting applications or where the camera to be used is readilyaccessible. The lens is outfitted with a ring on the body that can be turned toalter the aperture directly. There are two types of Manual iris lenses, Fixed Manual Iris lensesand Varifocal Manual Iris lens.The Manual Iris lens is convenient to use where it is not necessary to adjustthe lens continuously for correct picture brightness. These types of lens areused with constant light. It is applicable in shopping centers, schools,libraries, and offices. The lens can be turned to alter the aperture directlywith the help of a ring which is present on the body.

26. NVR: networkVideo Recorder

27.Nightwolf: Marketing term of image sensor by Pixmi for their IR at night or lowlight area.

28.Optical Zoom: Optical zoom is what I like to call true zoom. This functionof a camera uses the lens within the camera to draw the image closer. Using theoptics of the camera the image is bought forward much the same way asbinoculars and other such instruments. When using optical zoom quality remainsthe same and the full resolution of the camera can be used on the zoomed image.Different levels of optical zoom can be achieved by changing the distancesbetween the lenses. The motion of the front lens moving outwards on a camera isthe lens achieving a greater level of zoom. The rating of optical zoom on a camerais measured like 2x 4x 8x etc. bringing the image 2x 4x and 8x closerrespectively. The best cameras have a high level of optical zoom.

29.OSD: On screen manu.

30. PoE : Powerover Ethernet

31. PTZ: Pan,Tilt, Zoom, you can move the camera left and right, up and down and zoom in andzoom out.

32.Pixelplus: marketing term for CMOS sensors by Pixelplus company.

33. Resolutions


Video Resolution


128 × 96


176 × 144


256 x 192


352 x 240


352 × 288


704 x 480


704 × 576


1408 × 1152


528 × 384




34. RS485: EIA-485, also known as TIA/EIA-485 or RS-485,is a standard defining the electrical characteristics of drivers and receiversfor use in balanced digital multipoint systems. The standard is published bytheTelecommunications/Electronic Industries Alliance (TIA/EIA). Digital communications networks implementing theEIA-485 standard can be used effectively over long distances and inelectrically noisy environments. Multiple receivers may be connected to such anetwork in a linear, multi-drop configuration. These characteristics make such networksuseful in industrial environments and similar applications. Communicationbetween dvr and PTZ/zoom cameras, A/B= positive/ negative. Y/Z=positive/negative. Positive wires of camera connects to positive port of DVR, negativewires of camera connects to negative port of DVR. RS stands for “RecommendedStandard”

35.Sens-up: Sens-up in theory make a camera more sensitive to light so it canproduce images even in low lux (low light) conditions. Sens-up tries toeliminate the need for IRcameras which uses IR LED's or invisible light to providingimages in low lux or in the pitch dark.

36.Smart IR: Automatically adjust the infrared light required in a scene as thesubject moves closer or further from the camera, resulting in a clear imagethat is not washed out or too dark. Farther away= more IR light. Closer= lessIR light.

37. SATA HDD:SATA refers to the connection between the motherboard and the hard drive. HDDrefers to hard drive that installed on the DVR.

38. Spot out:Port for connecting the DVR to a regular TV, will then feed a video which willrotate to the next channel after a time. Useful for making sure customers knowthat they are being watched.

39.Seawolf: Marketing tern of image sensor by Pixim, mostly about the WDR.

40.Sony Effio-P: Sony’s brand of image processor and WDR.

41.Starlight: technology that is much more sensitive and better in low-lightsetting than traditional IR.

42. TVL: Television lines (TVL) is aspecification of an analog camera's or monitors's horizontal resolution power.It is alternatively known as Lines of Horizontal Resolution (LoHR), aka linesof resolution . The TVL is one of the most important resolutionmeasures in a video system. The TVL can be measured with the standard EIA-1956resolution chart.


TVL is defined as the maximum number of alternatinglight and dark vertical lines that can be resolved per picture height. Aresolution of 400 TVL means that 200 distinct dark vertical lines and 200distinct white vertical lines can be counted over a horizontal span equal tothe height of the picture. For example, on 4 x 3 inch monitor with 400TVL, 200 vertical dark lines can be counted over 3 inch width on monitor(Note that the 3 inch of monitor height is used rather than the4 inch of whole monitor width).


43.Varifocal: Can change the focus closer or further by adjusting the screw in thecamera. Ex. 2.8 mm can see a wider angle but focus on the closer object; 12 mmcan focus on the further object but the angle of view will be narrowed. 

44. WDR:  Thewide dynamic range (WDR) function of a camera is intended to provide clearimages even under back light circumstances where intensity of illumination canvary excessively, namely when there are both very bright and very dark areassimultaneously in the field of view of the camera. WDR enables the capture anddisplay of both bright and dark areas in the same frame, in a way that thereare details in both areas, i.e. bright areas are not saturated, and dark areasare not too dark. WDR allows a camera to filter the intense back lightsurrounding a subject and thus enhances the ability to distinguish features andshapes on the subject. WDR cameras are usually recommended for situations wherelight enters a premise from various angles such as a multi-window room.

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