Megapixel cameras and IP-based networks were the only means to get HD surveillance footage. However, analog-related innovations continue to take place. With characteristics similar to analog CCTV, HD-SDI/3G-SDI provides an alternative to IP-based video... more

Transmission distance and quality of coax will determine the performance of the surveillance system. a&s goes beyond the camera and takes a peek at where back end products currently stands. A major advantages of HD-SDI technology is the existing... more

Relatively high costs of 8- and 16-channel HD-SDI DVRs used to limit the HD-SDI uptake. However, things are changing due to efforts from increasing chip providers. A common misunderstanding about storage for HD-SDI solution is that, compared with IP-based systems... more

HD-SDI matrix switcher evolved beyond the standard definition SDI matrix. The differences and advantages from analog matrix are highlighted. Digital video transmission for analog systems is one of the most important issues for upgrading legacy systems... more