... limitations in throughput and search times that cannot sustain video security systems. In reality DVRs and NVRs are primarily very specialized storage systems that can record and replay the vast ... employees, and customers safe and secure is a fast-growing industry. The key security control systems in use today are intrusion detection, access control, and video surveillance. If each of these systems ... Taiwan, the Philippines, Burma, and some Pacic island nations and territories. NTSC is also the name of the U.S. standardization body that adopted the NTSC broadcast standard. Digital vs. Optical...