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What is HD-SDI?
HD SDI cameras are some of the longest standing Analog cameras on the marketplace. They are known for their relative quality, especially when compared to old vision analog cameras, and do not necessary require an IP network in order to function, like some other HD variations do. They cannot easily integrated into existing CCTV systems, have to completely undoing the entire system.
One of the main pros of this kind of system is the quality. HD SDI systems, when compared to traditional analog systems, do actually produce a high quality video and sound experience. They are also easy to install, no delay on the live. sometimes even integrating smoothly into analog systems. They are easy to maintain and are not as expensive as some other options.
HD SDI also come s with a number of cons. the transmission distance is significantly shorter than some of the more advanced systems. and price is very expensive .you need to run new coax cable. Live playback is useful, but there are some problems with the size of files that must be stored, making it so that many owners will simple delete their old footage, instead of saving it for a longer period of time .Because they are not linked up to a system through some people find them easier to use,but they are also not as reliable
What is HD-CVI?
HD CVI was developed as a low-cost alternative to HD SDI and analog cameras. It aims to have the quality of a HD SDI camera, with
the distance of an analog camera. It also aims to have the easy installation of an HD SDI camera, enabling business owners to install their own systems.
The main benefits of HD CVI is that it can be use exiting analog system cable, which makes it a big step up over HD SDI and analog versions. Many systems are set up so that they can be controlled from a DVR or management software on your computer. For those who may not always be able to be near their cameras or who might want to be able to zoom or change the position of the shot without actually going and changing the camera itself, this is a great benefit.
The biggest negative of an HD CVI camera is that Video can not compare with HD SDI and not comparable with exiting analog system. While it does take what’s great about HD SDI and improve it, the technology was control few manufacturers and not open source.So you will worry about the price will be control by few people.
What is HD-TVI?
HD TVI takes what is great about HD SDI and HD CVI cameras and ups their game. HD TVI stands for High Definition Transport Video Interface. Essentially, it takes digital signals, recorded by the camera, and makes them analog, so they can be transported easily and stored using less storage space than other formats. They also often have higher quality sound and video recordings.
The ability to record video at a better range and store it for a longer amount of time, is one that can not be dismissed. HD TVI really takes what’s great about having an analog system (great range and low storage space), and combines it with what’s great about a digital system (better picture quality and more features). The total cost is likely going to be less than other systems, once you factor in storage space.
The biggest negative of HD TVI is that these systems are not as easy to install as other systems. A professional installation may be necessary. There is also higher initial investment, as the system itself it more expensive. This is mitigated, however, by a lower-cost
of storage, over time.also .not so many product on the market right now. don’t have so many choice.