Traditional Culture Encyclopedia - Photography major - What's the difference between CVI camera and AHD camera?
What's the difference between CVI camera and AHD camera?
1. As far as the output image effects of the two are concerned, there is basically no difference between camera images with the same resolution;
2. ahd is a kind of analog camera. ahd simulates a high-definition camera. In the final analysis, it is still an analog camera, similar to tvi, cvi and sdi. Ahd is as simple and convenient as traditional equipment. Ordinary 75-3 coaxial cable can be used for lossless transmission of high-definition video up to 500 meters, which breaks through the transmission limit of existing high-definition video transmission technology, and can realize low cost, long distance, no delay, high efficiency, anti-interference and easy to realize high-definition video transmission of millions of pixels.
3. hdcvi (high
definition
composite material
videotape
Interface), hdcvi is a high-definition composite video interface, which is a high-definition video transmission standard based on coaxial cable, and adopts analog modulation technology to transmit progressive high-definition video. Hdcvi technology adopts self-adaptive technology with independent intellectual property rights, which ensures the transmission of at least 500m high-quality high-definition video on coaxial cables of 75-3 and above specifications, and breaks through the transmission restrictions of existing transmission technologies on high-definition video. In addition, hdcvi technology also has a number of independent intellectual property technologies, including synchronous audio signal transmission technology and real-time two-way data communication technology.
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