Many people may have heard of the AHD Four in One Cameras/ AHD Camera/ AHD Cameras/ AHD Camera CCTV/ AHD HD Camera/ Analog Camera/ Analog Camera CCTV, so what are the AHD Four in One Cameras? Let me introduce to you in details.
AHD means Analog High Definition. The AHD camera/AHD Four in One Cameras is an analog high-definition camera, and its transmission signal is a high-definition analog signal; which means that the AHD camera, based on the AHD protocol, progressively scanned high-definition video, by analoging the transmission of the coaxial cable.
The AHD technology can realize the reliable ultra-long distance(500 meters) transmission of the high-definition video signals without changing the existing analog transmission lines. The AHD technology adopts the advanced Y/C signal separation and analog filtering technology, which can effectively reduce color noise in the high-frequency area, and make the image restoration better. Compared with the traditional analog high-definition products, the monitoring image quality of the AHD camera has a great improvement, and the highest definition can be equivalent to the full HD level of the network HD 1080P.
AHD follows the path and method of the Analog Standard Definition transmission, which can reduce the complexity of the construction and deployment, the cost and the maintenance complexity of the the auxiliary materials, and the technical requirements for construction personnel. The AHD technology is very suitable for the upgrade and transformation of the old system, because it can easily upgrade the standard definition to the high definition without changing the original system. In addition, The AHD Camera can reach the high-definition quality at the standard-definition price, which has created a lot of demand in both the civil and the industrial markets.
Let me introduce some advantages of the AHD Four in One Cameras as follows:
1. Clearer: advanced bright color separation, signal filtering, 3D noise reduction technology, higher image clarity, better image restoration.
2. Long transmission: the coaxial transmission common 75-5 line can reach 500 meters.
3. No delay: the front-end data of the AHD Four in One Cameras without encoding will be directly compressed and delivered to the back-end DVR, which makes the video full real-time and high-fidelity.
4. Good compatibility: compatible with the ordinary D1/960H, the analog peripheral equipment (including the distributors, the matrixes, etc.).
5. Easy to operate: support the OSD menu design, you can set what you need and want.
6. Good quality and low price: ordinary analog price, but high-definition quality product.
7. High integration: AHD front-end chip price, high-definition quality products.
8. Open standards: the third-party open standards, compatible with other manufacturers` AHD products; which can accelerate the market advancement.
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