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DIGITAL CCTV

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DIGITAL CCTV
A Security Professional’s Guide

Emily Harwood

AMSTERDAM • BOSTON • HEIDELBERG • LONDON NEW YORK • OXFORD • PARIS • SAN DIEGO SAN FRANCISCO • SINGAPORE • SYDNEY • TOKYO
Butterworth-Heinemann is an imprint of Elsevier

Acquisitions Editor: Pamela Chester Assistant Editor: Kelly Weaver Marketing Manager: MarissaHederson Cover Designer: Eric Decicco Elsevier Academic Press 30 Corporate Drive, Suite 400, Burlington, MA 01803, USA 525 B Street, Suite 1900, San Diego, California 92101-4495, USA 84 Theobald’s Road, London WC1X 8RR, UK This book is printed on acid-free paper. Copyright © 2008, Elsevier Inc. All rights reserved. No part of this publication may be reproduced or transmitted in any form or by any means,electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Permissions may be sought directly from Elsevier’s Science & Technology Rights Department in Oxford, UK: phone: (+44) 1865 843830, fax: (+44) 1865 853333, E-mail: permissions@elsevier.co.uk. You may also complete your request on-line via theElsevier homepage (http:/ /elsevier.com), by selecting “Customer Support” and then “Obtaining Permissions.” Library of Congress Cataloging-in-Publication Data Harwood, Emily. Digital CCTV / Emily Harwood. p. cm. Includes bibliographical references and index. ISBN-13: 978-0-7506-7745-5 (alk. paper) ISBN-10: 0-7506-7745-7 (alk. paper) 1. Closed-circuit television. 2. Digital video. I. Title. II.Title: Digital closed circuit television. TK6680.H356 2007 384.55′6—dc22 2007004218 British Library Cataloguing in Publication Data A catalogue record for this book is available from the British Library ISBN 13: 978-0-7506-7745-5 ISBN 10: 0-7506-7745-7 For all information on all Elsevier Academic Press publications visit our Web site at www.books.elsevier.com Printed in the United States of America 0809 10 11 12 13 10 9 8 7 6 5 4 3 2 1

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Table of Contents

About the Book Introduction 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 We Live in an Analog World What Exactly is Digital Video? In the Beginning Compression—The Simple Version More on Digital Video Compression InternetTransmission, Networked Video, and Storage Guided Video Transmission Wireless Video Transmission Examples of Digital Video for Security Pieces and Parts Integrating Digital Video with Other Technologies More Digital Video Applications From VTRs to VCRs, DVRs, and NVRs Central Station Monitoring and Video More Digital Video Applications New Roles of Digital Video

vii ix 1 19 39 57 75 93 111 129 147 163179 189 197 205 211 219 225 233

Glossary Index

v

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About the Book

WHO IS THIS BOOK FOR?
CEOs Security Managers Directors of Security Loss Prevention Managers CCTV Product Manufacturers Electronic Security Sales Personnel Electronic Security Manufacturers Representatives IT Managers Security Systems Integrators Electronic Security InstallersSecurity Dealers Security Consultants Architects and Engineers Specifiers

WHAT IS THE PURPOSE OF THIS BOOK?
The purpose of this book is to provide you, the reader, with the information you need to interpret what is behind all of the technology smoke and acronym mirrors surrounding digital video technology enabling you to better understand today’s new digital products. At last you will be able toanswer puzzling questions about digital technology like how much storage space and bandwidth are necessary to handle digital video at specific quality levels and image rates.
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viii

About the Book

This book provides practical information about how digital video works, how digital video is stored and transmitted, what digital systems can and cannot accomplish, and what to expect from...
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