The analog signal must be converted to a digital format this can be done with a video capture card.ĭigital CCTV cameras directly capture images and videos as digital signals. This type of camera records directly onto a video tape recorder. Most of old surveillance cameras are analog cameras. Security cameras enable you to remotely monitor a scene and play back recorded images.Īnalog Closed-Circuit Television cameras record pictures or videos as analog signals. In the last few years, IP-based security cameras have become increasingly popular. Typically, they are connected to a recording device such as a tape recorder or a disk. Security cameras, also known as surveillance cameras, are used to monitor homes, businesses, and other types of properties.
