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DVR Full Form, Digital Video Recorder (DVR) and Types and Functions, Difference Between DVR and NVR & FAQs

DVR Full Form:- We’ve got you covered in this guide. We’ve listed a variety of possible abbreviations for DVR under different groups like Computing, Academics and Science, Airport Code, Medical, Math and Technology. FullFormFactory is the largest source of short forms generated by various methods using AI and verified by our community. In the image, you can view all the abbreviations in various categories according to popularity followed by the most popular abbreviation of DVR.

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what is dvr, when we use CCTV we need three different devices, camera, display, and DVR today we will know what is dvr, why dvr is used, dvr is a common part of CCTV Because we can use CCTV without a display but not without DVR. DVR is similar to a CD player/dish receiver and works on the same principle, DVR does video recording and processing, be it live playing or saving video, CCTV cannot be used without DVR. This is because the CCTV camera cannot automatically process the video for display. But DVR is completely for offline processes and is wired and through this, the activity of the camera can be saved and displayed on the display, but NVR and XVR can also be used instead of DVR as per requirement.


Digital Video Recorder – DVR

It is a device specially made for video recording but that doesn’t mean you call a camera a DVR or again recording video then call it a DVR DVR is a machine that An external camera and an external display and then DVR process the video. But if you want to save your recording online then you can not do it through DVR for online access, you should plan about NVR instead of DVR in which you get online storage and accessing option.

Hard Drive: DVR Full Form

The hard drive is the most important part of the DVR because the hard drive is the only device in which the DVR saves the data, what size of the hard drive should be in the DVR depends on the person who wants to install the hard drive. Because he will decide how many days to store the old video. Because if suppose you use a 1TB hard disk for your DVR then maybe it will be enough for you but it also depends on how many cameras the owner uses, and what size of data to store.

What is DVR, Types and Functions of DVR?

You must have seen CCTV installed in homes, offices and companies. If you have seen their set-up properly, then apart from the camera, some other device is also installed in it. (What is DVR) CCTV camera does not work alone, in this, all devices together show you live video with the help of a CCTV camera. An important device that comes with a CCTV is the DVR (Digital Video Recorder) without which a CCTV camera is incomplete.

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DVR Full Form
DVR Full Form

How Does DVR Work?

DVR takes the signal from the CCTV camera as input and converts that signal into a digital signal by processing it through the processor installed in DVR. After this, the DVR saves this footage in its storage. After that, we can see it anytime with the help of a monitor.

DVR Functions: DVR Full Form

DVR has the following functions:

  1. CCTV footage showing on the monitor
  2. capture footage from CCTV cameras as a signal
  3. signal processing from CCTV camera
  4. compress data
  5. save data for storage

Embedded DVR

An embedded DVR is a stand-alone device which takes input from an analogue CCTV camera and processes and compresses it with the help of a processor and OS and stores it on its attached hard disk. It uses an OS that is not open to external networks. This means that the chances of viruses, hackers and other cyber attacks are negligible. It’s one special thing is that you can install only one type of analogue camera in it, apart from this no other camera supports it. If you put any other digital camera in it, it will not work.

Hybrid DVR

You can install many types of Analog Cameras in Hybrid DVR. Apart from this, you can also install IP cameras in it. Hybrid DVR supports both of these types of cameras. You can use them for IP-based surveillance systems. This simply means that if you are using a hybrid DVR at home, you can use both types of cameras.

DVR Full Form: PC-Based DVR

You cannot completely call this type of DVR a DVR. You need a computer to use them. This type of DVR is installed on the computer. The camera is connected to these by installing the motherboard and with the help of the software we can connect the camera to the monitor. Its best thing is that in this you can save as much data as you want. For this, you just have to increase the hard disk of your computer. You can upgrade it easily.

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It was some kind of DVR. Now you must have easily understood what is DVR and what is its function. While buying DVR if you already have a computer then you can buy a PC-based DVR. If you do not have a computer, then buy only a hybrid DVR, any type of camera can be installed in it. Just as CCTV is essential for your security, similarly buying a good DVR is equally important for you. That’s why while buying CCTV, keep in mind what is the DVR and what is its type. If you choose the right DVR then you will not have any problems later.

DVR Full Form
DVR Full Form

Difference Between DVR and NVR


  1. DVR stands for Digital Video Recorder.
  2. It is the analogue or coaxial cable-based camera.
  3. The data in this video is processed and encoded by the DVR.
  4. It generally supports cameras up to 2,4 or 6 (MP) resolution.
  5. DVR can be viewed remotely on your mobile or computer.
  6. Its recording quality is less than NVR.
  7. The camera is powered by SMPS in its setup.
  8. The cables from each camera connect directly to the DVR.
  9. Its setup is more complicated than the NVR setup.
  10. Its installation is compared to NVR it is very cheap.

Everything You Need to Know About DVR Shares

Till the year 2000, when DVR shares were introduced in India for the first time, ‘one share, one vote’ had been the base-rock principle of the financial world. But what is DVR share? DVR stands for shares that have differential voting rights. This means that shareholders holding DVR shares have more or less voting rights than shareholders holding equity shares. But under Indian law, companies are not allowed to issue equity shares with superior voting rights, so only DVR shares with limited voting rights are issued in the stock market.

How is DVR Share Different from Normal Share: DVR Full Form

DVR shares differ from common shares in two major ways:

1) They carry fewer voting rights than ordinary shares. Hence, the shareholder may not have the right to vote, but retain other rights like bonus shares, rights share issues etc.

2) DVR shares are usually offered at a discount which means the investment amount can be much lower than investing in ordinary shares.

3) Shareholders holding DVR shares receive a higher dividend than common shares to compensate for the sacrifice of their vote

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Why Do Companies Issue DVR Shares?

To grow and expand in today’s world, companies need capital. Often, the founders and key stakeholders have to reach out to potential shareholders who would be willing to invest in the company. But it also means reducing power and taking away some control. DVR shares help companies protect their interests and enable them to raise additional capital needed to keep the business running.

Therefore, issuing DVR shares is a great solution to get investors who are looking for investment but do not want to participate in the working of the business. The company can also control how many voting rights they want to be given. DVR shares also provide protection against hostile takeovers. Without voting rights, shareholders cannot command a majority and challenge to take control of the company.

DVR Full Form
DVR Full Form

Why Should you Invest in DVR Shares?

1) Strategic Investment – DVR shares provide you with an opportunity to reap the benefits of a highly successful business venture without having to worry about the day-to-day affairs of the company.

2) Discounted rate – DVR shares are listed in the stock market at a lower price which means your investment budget is also smaller

3) Better Dividend – DVR shares give higher returns than normal shares. Maximum 10-20 per cent. And since these shares are quoted at discounted rates, the dividend yields are more profitable.

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FAQs on DVR Full Form

What is better DVR or NVR?

High Storage Capacity: The NVR camera system can upload footage to cloud-based servers – an advantage of being connected to the Internet. Unlike DVR systems they are not limited to on-premises storage, and as a result, they can support higher capacities than DVR systems.

What is DVR in CCTV?

A digital video recorder (DVR) records video to local storage devices, usually a hard drive. The DVR can record an analogue video source on-site or capture video from a digital source. DVRs can be connected to analogue cameras via coaxial cables, allowing them to be accessed remotely.

What is DVR used for?

A DVR (Digital-Video-Recorder) is a set-top box with a built-in hard drive for recording and playback of television shows and movies. Whole-home DVR is a service that allows you to watch those television shows and movies from any TV in your home.

What is NVR’s full form?

A network video recorder (NVR) is a computer system that records video footage and stores it on a hard disk, mass storage device, or cloud storage. NVRs are combined with digital Internet Protocol (IP) cameras to form a video surveillance system.

Which type of CCTV is best?

  • Here are our top picks for CCTV cameras in India.
  • Mi Full HD WiFi 1080p 360° Viewing Area with Intruder Alert, Night Vision, Two-Way Audio Inverted Installation Smart Security Camera – Click here for an Amazon deal.
  • Combre MultipleXR2 Pro {Upgraded} HD Smart WiFi Wireless IP CCTV Security Camera – Click here for an Amazon deal.

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Is DVR necessary for CCTV?

Short answer: absolutely yes! Simply put, a DVR or NVR is primarily designed to store security camera footage. Without DVR or NVR, IP cameras can still DVR Full Form operate independently as standalone surveillance devices like security cameras with SD cards.

DVR Full Form
DVR Full Form

How many CCTV cameras can be connected to one DVR?

16 CCTV security cameras:

The DVR systems available today are capable of recording footage from up to 16 CCTV security cameras simultaneously – what is known as ‘multi-channel recording’. DVRs also come with hard drives that enable you to store and back up recorded footage.

Can we connect DVR to the TV?

You can connect your DVR box to your television using several different methods. An HDMI cable is the simplest option, but you can also use an HDMI-to-DVI cable, component cable, or S-Video cable, depending on the ports on your TV and DVR.

Do you need internet for DVR?

Yes. You definitely need Internet access to use a network-connected Tableau over-the-air DVR. Like many modern gadgets, most Tablo DVRs are network-connected devices, designed for constant high-speed Internet access and won’t function optimally without it.

Does a DVR Record Automatically?

The DVR records all the time, when the hard drive is full it goes back to the beginning and records the earliest footage possible on a rolling basis. Motion sensing. DVR monitors the picture coming from the camera. If it detects movement, it starts recording.

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