Best CCTV camera in india!! what is TVI Camera ,AHD Camera and CVI camera in Hindi.

Описание: Best CCTV camera in india!! what is TVI Camera ,AHD Camera and CVI camera in Hindi.

HD-TVI, HD-CVI and AHD comparison (best explained)

boyu've come across this question at some point. "What are the differences between analog cameras,HD-TVI, HD-CVI and AHD?"

So it's time to find the best and most complete answer to this question. 

In this article, in addition to learning the differences between HD-TVI, HD-CVI and AHD, you will also understand who is behind those technologies, and what are the quality differences between these analog cameras.

features between HD-TVI, HD-CVI and AHD technologies

I will describe what the three technologies have in common and later in the article I will explain the individual differences of each one of them.

1. HD-TVI, HD-CVI and AHD are high resolution analog cameras

Some time ago to have ahigh resolution CCTV camera system people used to buy IP cameras. This scenario changed with the arrival of HD-TVI, HD-CVI and AHD technologies that started to compete with IP cameras.​

When you are looking for security cameras on the market you always find some advertising about hybrid DVRs that support different types of cameras, some of these DVRs support cameras with traditional analog technology, and also HD-TVI, HD-CVI, AHD and sometimes even IP cameras.

Any of the 3 technologies can provide sufficient resolution for most projects. There is a race between manufacturers to be in the lead and deliver cameras that stand out primarily in high resolution, but in practice most cameras installed have either HD resolution or FullHD.

different manufacturers haveHD-TVI, HD-CVI and AHDtechnologies with FullHD resolutions also known as 108op or 2Mega Pixel

2. All those three technologies are analog

HD-TVI, HD-CVI and AHDare analog, it is important to emphasize this fact because the security camera dealers are always advertising that their equipment support those 3 technologies and also support analog cameras.

What they really should say is that their equipment support old traditional low resolution analog cameras and also support the newhigh resolution analog cameras with HD-TVI. HD-CVI and AHD technologies.

In fact, what the vendor intends to say is that the DVR can accept the 3 high-resolution analog camera technologies (HD-TVI, HD-CVI and AHD), as well as accept IP technology and traditional low-resolution analog technology, which are actually the analog cameras with CVBS technology.

3. HD-TVI, HD-CVI and AHD cameras work with traditional coaxial cables

Imagine a situation in which you need to replace old security cameras for your client as he intends to get rid of traditional models and migrate to the high resolution ones.

Your client already has several traditional analog cameras installed on site and therefore there is also an entire infrastructure already installed with traditional coaxial cables such as RG59,RG6 or RG11.

The cost of replacing low-resolution analog cameras for high-resolution analog cameras could be very high if there was a need to also replace the infrastructure and all coaxial cables

This is where HD-TVI, HD-CVI and AHD cameras become very interesting because they can use the same types of coaxial cables as traditional analog cameras, which means they can help you to save money.

HD-TVI technology

High Definition Transport Video Interface

Developed by a Japanese company called Techpoint, HD-TVI technology started in the market initially with 720p (HD) and 1080p (Full HD) cameras and recorders.
The Chinese companyHikvision is the largest camera manufacturer using this HD-TVI technology with Techpoint chips. Hikvision distributes its products around the world in different ways, one of them is using the brand itself and the other is through white label products, where the logo does not appear in the product and third companies can put their own brand.

The technology was created in 2014 with the goal to transmit analog signals using coaxial cables at distances up to 500m.


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These tests were conducted by the American company Clinton Electronics.