CVBS (Composite Video Baseband Signal) is a analog video signal used in security cameras. It is a single-channel video signal that combines the video and synchronization signals into a single composite signal.
CVBS is a low-resolution signal. With a maximum resolution of 720 x 576 pixels for PAL format and 720 x 480 pixels for NTSC format. CVBS video is typically transmitted over coaxial cable or twisted pair cable, and is commonly used in analog CCTV (Closed Circuit Television) systems.
One of the main advantages of CVBS video is its compatibility with older analog CCTV systems, as well as its ease of use and installation. However, compared to newer digital video formats. CVBS video has lower resolution and image quality, as well as a lower signal-to-noise ratio.
As newer digital video formats, such as IP cameras. Have become more popular, the use of CVBS video has declined. However, CVBS video is still used in some security camera applications. Mainly when compatibility with older analog CCTV systems is a priority.
Overall, while CVBS video has some limitations compared to newer digital video formats. It is still a widely used and reliable video format for security cameras. The choice of video format will depend on the specific needs of the security camera system, as well as the available resources and infrastructure
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