cctv surveillance analog and digital video practices and technology

[...]... emerging technology in a manner we can all understand and put into practice Herman’s first book, CCTV Surveillance – Video Practices and Technology, is considered, by most of us in the industry, to be the bible of CCTV, and I fully expect this revised edition will rise to even greater popularity In the pages following, readers will find concise and intelligent descriptions of the analog and digital video practices. .. of computer technology with video security technology All components were solid state Digital video technology needed large-scale digital memories to manipulate and store video images and the computer industry had them To achieve satisfactory video image transmission and storage, the video signal had to be “compressed” to transmit it over the existing narrowband phone line networks The video- computer... within the video devices Digital video components use digital signal processing (DSP), digital video signal compression, digital transmission, recording and viewing Figure 2-3 illustrates these devices and signal paths and the overall system block diagram for the digital video system SITE 2 SITE 1 ANALOG CAMERA(S) ANALOG CAMERA(S) CAMERAS SERVER SERVER ROUTER RJ45 BNC KEYBOARD BNC RJ45 * KEYBOARD DIGITAL. .. edition of CCTV Surveillance includes the new digital video technology and contains eight new chapters: Chapter 7 Chapter Chapter Chapter Chapter Chapter Chapter Chapter 10 12 14 20 21 24 25 Digital Transmission, Video, Communications and Control Hard Copy Video Printers Quads and Multiplexers Dome Cameras Control Room/Console Design Rapid Deployment Video Systems Video- Security Systems Integration Video. .. analog/ digital or an all -digital solution (Figure 1-2) Local site installations already using analog video cameras, monitors, etc can be retained and integrated with new digital Internet Protocal (IP) cameras, local area networks (LANs), intranets, and the Internet to facilitate remote site video monitoring The digital transmission 4 CCTV Surveillance PERIMETER PARKING LOT SURVEILLANCE SECURITY ROOM CCTV. .. perimeter and realtime video monitoring and recording Analog or digital transmission allows local or remote monitoring After use, the RDS equipment is disassembled and stored in its carrying case, ready for another deployment The much smaller size of the video and alarm equipment has accelerated its use and acceptance Chapter 22—The Video Applications chapter has been updated and expanded to include digital. .. (WiFi), intranets and, Internet and the World Wide Web (WWW) communications systems Although today’s video security system hardware is based on new technology which takes advantage of the great advances in microprocessor computing power, solid-state and magnetic memory, digital processing, and wired and wireless video signal transmission (analog, digital over the Internet, etc.), the basic video system... and/ or recorded When there is activity in the camera area the video and audio signals are switched to the monitor and the guard sees and hears the activity in the scene and initiates a response 1.4.2 Overt vs Covert Video Most video installations use both overt and covert (hidden) CCTV cameras, with more cameras overt than covert Overt installations are designed to deter crime and provide general surveillance. .. fingerprint, etc.) and/ or video identification are necessary Video s Critical Role in the Security Plan Video surveillance is often used with electronic or video access control equipment Video access control uses video to identify a person requesting access at a remote location, on foot or in a vehicle A guard can compare the live image and the photo ID carried by the person on a video monitor and then either... training video services available The use of training videos results in standardized procedures and improved employee efficiency and productivity The public at large has accepted the use of video systems in most public facilities Video is being applied to reduce asset losses and increase corporate profits and bottom line Many case histories show that after the installation of video, shoplifting and employee .