In the security monitoring system, video storage is a very important part, and video files are recorded and saved for later query. How to ensure the safety and reliability of the video files is particularly important, and choosing a suitable video storage method is an important part of it.
Compare HD vs. Analog vs. IP of video security.
In security products, the chip is at the core. The chips in the security are mainly front-end cameras, codec equipment, NVR, DVR, IPSAN
The optical performance of the lens used by the security camera is basically the same as the lens used by other photographic and camera equipment, so the lens of the security camera also follows the basic optical imaging principle.
In 2008, Axis, Bosch Security and Sony jointly initiated the establishment of a global open network video interface forum, the English name Open Network Video Interface Forum, or ONVIF for short.
The audio function has basically become the standard configuration of network cameras. Network cameras with audio functions usually provide a built-in microphone/pickup, or provide an audio input interface, users can choose to use other types or higher quality external microphone/pickup.
The quality of the image effect of the security camera is determined by the DSP processor and the image sensor sensor. How to make good use of the existing hardware resources to tune a camera with good image quality, and each manufacturer’s own video, image algorithm, and technology accumulation Closely related.
Related network security equipment from Haikang, Dahua, Univision and other manufacturers, such as network cameras, NVRs, storage servers, matrixes, etc., network parameters in common security equipment
In security video and surveillance, if the time displayed by the surveillance video equipment is inaccurate, or the time between different equipment is confused, the recorder video data will lose value and be meaningless.
H.265 encoding was formulated by ISO/IEC MPEG and ITU-T in 2004. The first version of the HEVC/H.265 video compression standard was accepted as the official standard of ITU-T on April 13, 2013.
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