Complete Communications Engineering

Digital video surveillance cameras may be classified as SDI (serial digital interface) or IP (Internet protocol). SDI cameras transmit uncompressed video using the SMPTE standard. HD-SDI cameras are able to transmit uncompressed 1080p video. SDI cameras require a dedicated server where video content is processed and compressed.

IP cameras have their own CPU and memory. The video signal is processed and compressed in the camera using JPEG2000 or H.264 standards. Then the compressed signal is transmitted using LAN or Internet. IP cameras may not need a central server since part of server’s function may be already implemented in the camera.

Some cameras are wired, and others wireless and do not need a cable connection between camera and server. Wireless cameras are usually based on IP technology.

There are many different types of digital surveillance cameras for a wide variety of applications:

More Information