The influence of digital technology in the security industry require constant vigilance by security distributors, sales staff, and professional installation. As Digital CCTV trace the flow of digital video streams from the computer industry through compression, transmission and storage display, and explains how analog video signal is converted into digital signals, the reader will learn and understand the mysteries of digital science. * Explain the concept of industry, acronyms and buzzwords acurately and clearly * Covers the history, complexity of current and future effects of digital science * Provide practical information on how digital video works, how digital video is stored and transmitted, what digital systems can and can not achieve, and what to expect from digital video equipment in modern CCTV systems