Recently, AHD, as a new product and technology in the field of high-definition security, has attracted widespread attention from the industry. Many people are still not fully aware of what Shenzhen Rui Chi Man's first mass HD AHD on-board surveillance really is. The author here gives you a more comprehensive explanation.
I. Concepts In a general sense, AHD is the abbreviation of the American Heritage Dictionary, which is the American traditional dictionary phonetic symbol. This definition is used more often. From the perspective of security, AHD represents the Analog High Definition. AnalogHighDefinition means to simulate high resolution. With regard to the High Definition, simply speaking, we usually refer to a format with a physical resolution of 720p or more as HD, or HD for short. The vertical resolution of the screen refers to 1080i, 720p, or 1080p. 1080i refers to a resolution of 1920×1080, adopts interlaced scanning and presents 30 complete pictures per second; 720p refers to a resolution of 1280×720, adopts sequential progressive scanning, and presents 60 complete pictures per second; 1080p refers to resolution. Achieves 1920×1080, adopts sequential scanning and presents 60 full frames per second. The AHD is based on the AHD protocol and uses analog coaxial cable to transmit progressively scanned high-definition video.
Second, the characteristic AHD is as simple and convenient as the traditional equipment, and can achieve as much as 500 meters of high-definition lossless transmission with an ordinary 75-3 coaxial cable, breaking the transmission limit of the existing transmission technology of high-definition video, can achieve low cost, long Distance, latency-free, high-efficiency, anti-jamming and easy-to-implement megapixel HD video transmission.
Third, the scope of application AHD follow the analog and standard transmission methods and methods, can reduce the complexity of the construction and deployment, reduce the cost of auxiliary materials and maintenance complexity, as well as the construction personnel technical requirements. It is very suitable for the upgrading of the old system. It can easily upgrade SD to HD without changing the original system. In addition, the high-definition standard definition price makes AHD have a very large space for development in the civil and industrial markets.
Fourth, the development prospects In such an analog to digital high-definition surveillance era, in such a time full of opportunities but also the crisis all the time, Shenzhen Rui Chi Man took the lead to inject a new vitality into the high-definition market. We can see that AHD is undoubtedly another technological innovation in the high-definition market and will become a new trend in the security market.
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