What is CCTV? and Its Applications

Jul 15, 2022

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What is CCTV? CCTV, or closed-circuit television, is a system of video cameras and monitors used for surveillance purposes. This term is commonly used in reference to video surveillance security systems that are designed to record physical activity within private property. This includes business, commercial and residential buildings. CCTV systems are typically used to monitor and record the activity of a building, as well as its surroundings. These systems are used to primarily combat crime such as theft or vandalism. Also, these systems are also referred to as video surveillance.

CCTV is a closed circuit TV system in which signals are not publicly distributed but can be monitored. We will often monitor these systems for surveillance and security purposes. CCTV is used by many businesses regardless of the industry they operate within. In addition, individuals can monitor their property and deter crime from occurring. CCTV uses cameras to transmit a signal that can be viewed remotely or recorded for later use. Cameras are placed in specific locations where they can monitor an area, such as a parking lot or front desk. The images from the cameras can also be transmitted over the internet or wireless networks to smartphones and computers.

what is cctv

Analogue Security Systems

Analogue CCTV surveillance systems connect analogue cameras to digital video recorders via coaxial transmission cables. These systems are also known as traditional camera systems. The DVR (digital video recording) receives the video from a camera, compresses it and stores it on a hard drive for viewing. The analogue video setup allows you to transport the video over the internet for remote viewing. The DVR is charged with compressing, converting, storing and streaming. Analogue systems are low-cost when compared with IP systems.

IP Security Systems

IP camera systems, also known as internet protocol, are a type of digital security camera. These cameras send footage via an IP network and are often used in video surveillance where high-definition footage is needed. Wiring an IP camera can be done via an Ethernet cable, this is far more efficient than using Wi-Fi.

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Ingress Protection Codes for CCTV Systems

(IP Code) is a standard that’s used to measure the level of protection provided by enclosures, like cases and covers, for electrical and electronic equipment. It’s a two-digit number that indicates how well the equipment is protected against dust and water. The first digit indicates the amount of protection against solid particles, while the second digit indicates protection against liquids.

The first digit is a number from 0 to 6, with each number being assigned a different level of protection. The higher the number, the greater amount of protection provided by the enclosure.

The second digit is rated 0 to 9. A 0 indicates no protection against water ingress; however, it does not indicate whether the device is resistant to dust ingress or whether it provides any form of protection against solid particles.

Most Common First Letter Meanings in CCTV: IP*X

5) Dust Protected: Ingress of dust is not entirely prevented, but it must not enter in sufficient quantity to interfere with the safe operation of the equipment.

6) Dust Tight: No ingress of dust; complete protection against contact (dust-tight). A vacuum must be applied. Test duration of up to 8 hours based on airflow.

Most Common Second Letter Meanings in CCTV: IPX*

5) Projected Against Water Jets: Water projected by a nozzle (6.3 mm (0.25 in)) against enclosure from any direction shall have no harmful effects.

6) Projected Against Powerful Water Jets: Water projected in powerful jets (12.5 mm (0.49 in)) against the enclosure from any direction shall have no harmful effects.

7) Immersion Up to 1 Meter: 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 meter (3 ft 3 in) of submersion).

Ingress Protection

Advanced Video Coding for CCTV Systems

Advanced video coding (AVC), also known as H.264/MPEG-4 Part 10, is a standard for video compression that provides good compression at reasonable computational cost.

It works by processing the video frames in a series of macroblocks, which are 16 by 16 pixel regions. These can be subdivided into transform blocks and then further into prediction blocks. AVC is one of the most commonly used video compression formats in the world, with millions of devices supporting it. It is supported by a number of major companies when manufacturing video capture devices.


CCTV systems are a great way to secure your business. They can help prevent crimes and incidents from happening and also identify perpetrators if they do happen. CCTV systems can also be used to monitor public spaces, offices, crowds and much more, as these areas are ideal places for crimes and other incidents to occur. Also, we can identify perpetrators if a crime does happen. Conclusion CCTV systems are a great way to secure your business.

CCTV Camera

Applications of CCTV

The applications of CCTV, what is CCTV used for?

CCTV is used by businesses and individuals to monitor their property and deter crime. CCTV uses cameras to transmit a signal that can be viewed remotely or recorded for later use. Cameras are placed in specific locations where they can monitor an area, such as a parking lot or front desk.

Crowd Control

What is CCTV in crowd control? CCTV can be used to control, manage and monitor crowds. It can also help with safety and security within the crowd as it provides them with a sense of freedom from fear. CCTV is used to monitor and record crowds, especially those that are large and potentially dangerous. It can help identify criminals or those acting suspiciously so they can be apprehended before they cause harm to others. CCTV cameras are placed at strategic locations within a crowd, such as entrances and exits. When a person enters or exits the crowd, their face is identified and recorded by the system. If that person is later seen acting suspiciously within the crowd, they can be easily identified and apprehended by law enforcement officers or security personnel.

cctv for crowd control

Public Transport Security

What is CCTV on public transport? The security of public transport is an important aspect of CCTV. CCTV is used to monitor the safety and well-being of passengers. Also, it helps to identify perpetrators after an illegal event. This is especially useful when it comes to acts of violence. Such as sexual assault or attacks on disabled people in wheelchairs. These situations may be difficult to identify from their clothing or appearance alone.

CCTV cameras can also be used to identify suspicious behaviour that might indicate criminal intent. This can alert staff to potential problems before they escalate into more serious incidents.

cctv for public transport

Creation of a Safer Environment for Children

What is CCTV in schools? The use of CCTV can be beneficial in monitoring children. In public areas, CCTV is used to monitor for any criminal activity such as drug-dealing or pickpocketing. However, the benefits of CCTV extend beyond these security measures and into our schools and playgrounds.

CCTV is vital when it comes to protecting our children from potential harm. Many parents are aware that there are certain individuals who pose a threat to our most precious resource, our children. We may not always know what those threats look like but we do know that they exist in society today. They can only be controlled by having the right equipment at hand.

cctv for children

Crime Prevention and Detection

What is CCTV in crime prevention? A great tool in the fight against crime. Cameras can be used to catch criminals and help police identify suspects. CCTV plays a vital role in protecting people from criminal activity. It allows police to respond quickly and efficiently to suspicious activity and provide evidence for prosecution purposes. CCTV is a powerful tool for crime prevention and detection. It can help police to respond quickly and efficiently to suspicious activity, identify suspects and gather evidence for prosecution purposes. CCTV is also used to help police determine the cause of a crime, or if it was an accident.

cctv for crime

Safety for the Elderly

What is CCTV for the elderly? As well as access control, CCTV is commonly used to monitor the elderly in their homes. This is because many people who live alone suffer from challenges such as dementia. These challenges may make the elderly prone to wandering and other dangers. Elderly people with these challenges can be monitored by CCTV placed throughout the home so that their family members have peace of mind while they’re away.

These cameras also allow caregivers to monitor patients remotely and help ensure that they’re safe and comfortable. While CCTV has been extremely beneficial for preventing crime. They’ve also become instrumental in ensuring the safety and comfort of those who need extra care.

cctv for elderly

Security for Disabled Individuals

What is CCTV for the disabled? Cameras can also be used to monitor people with disabilities and special needs. This is not only for the safety of these individuals but also for the safety of those around them. CCTV systems are a great way of ensuring that those who need care or supervision are not left unsupervised at any time.

The use of cameras in this way has been shown to reduce the number of accidents. Accidents that occur when someone with special needs is left alone and vulnerable, such as fires or falls from bed. The cameras can also be used in other ways to decrease risks. They may record every movement made by an individual so that doctors know exactly how they behave under certain conditions. This helps medical professionals better understand their condition’s symptoms and treatment options.

cctv for disabled

Industrial and Retail Loss Prevention

  • Prevent theft by identifying potential culprits and areas at risk of theft.
  • Identify the method of theft so you can take steps to prevent future thefts.
  • Identify the time and location when a robbery happened so you can take action right away with police departments in your area.
  • Determine the value of stolen goods, which will determine how much insurance coverage is needed for your business in case this happens again in the future.
cctv for retail

Public Toilets and Other Similar Facilities

CCTV systems can also be used to monitor public toilets and similar facilities. These areas are ideal places for crimes and other incidents to occur, so CCTVs are a great way to help prevent these crimes and incidents. Also, we can identify perpetrators if a crime does happen.

cctv for public toilet

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