Comparison of CCTV DVR System and CCTV VCR System
Different with analog-style video recording system (CCTV VCR), CCTV DVR digital video recording system will convert analog video to digital systems, and compressed stored on hard disk (HDD) in digital or video tapes (DAT). Compared to CCTV VCR, CCTV DVR have more advantages applied to monitor area.
Kind Item
DVR Systems CCTV VCR System
Video recording Digital Analog
Storage media Hard Video
Image permanence Permanent 6 months
Image quality Clear There will be wear and tear
Screen display mode 4,8,16 Splitter can be installed four multi-picture display
Image of inputs 16 8-way
Transmission TCP / IP, Internet, PSTN Without
Motion Detection Have Need to install sensors
Night Mode Have An additional installation of expensive equipment
Image Print Have Without
Durability More than 5 years 2 years
External sensor Have Adding an additional
Maintenance No additional expenditure The high cost of tape supplies
Architecture Simple Complex
The use of space Small Need more space
Conditions of the digital watermarking technology
In general, CCTV DVR security are insufficient, DVR systems should used with digital watermarking technology in order to increase their security, and sometimes also use DVR plus password. However, the market needs a more efficient tools and programs in order to achieve more secure devices. As the DVR has been resolved a number of digital multimedia resources legal issue, so CCTV DVR system with digital watermarking undoubtedly is a comprehensive security system tool.
Filed Under: cctv dvr system
Tags: analog-style, cctv dvr, CCTV VCR, digital video recording system, video recording system
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