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Digital Video Surveillance and Security by Anthony C. Caputo

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Digital Video Overview

Introduction

The difference between digital video and standard analog video is the method of delivery. Digital video follows the laws of all digital technology; breaking down video imagery into a binary data stream composed of ones and zeros delivered as low-voltage electronic pulses over copper wire or light pulses over fiber optics. Anything that requires digital churning of bits (binary digits) uses a microprocessor and stores information in binary “on” and “off” (ones and zeroes).

Digital video isn’t necessarily better than the traditional analog signal, but it’s far more consistent in its delivery and transmission ...

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