Company News Technologies Products IR Support
 






The existing CCTV cameras use the analogue method to record images on the tapes. So it is required to frequently change the videotapes and the resolution of the recorded images is inferior. On the contrary, DVR (Digital Video Recorder) processes video images as digital method. So it enables the recording for a long time without replacement of videotapes and provides the clear images in high resolution without degradation of image qualities even though the tapes are played several times.

In addition, DVR has the real time image transmission and remote control function on Internet. Then, it is evaluated as the most appropriate video monitoring system for the government, organizations and companies that have been integrated by network.





Category Digital Recording Method Analogue Recording Method
Recording Image Digital High Resolution Video Image Analogue Video Image
Storage Media HDD , DAT , MOD , DVD VTR Tape(Frequent replacement)
Recording Time
of Storage Media		 Semi-Permanent Disposal after using 3-5 times
How to Search
during replay		 Setting specific time, Instant replay Continuous replay
Scope of
Monitoring		 Local and Remote Monitoring Local Monitoring
Recording Method Motion Detecting Recording,
Continuous Recording, Sensor
Interlocking Recording		 Continuing Recording
Image Quality of
Replay		 High Image Quality
(No quality degradation even in
repeated playback)		 Low Image Quality
(Rapid degradation of image
quality in repeated playback)
Editing Printing and zooming a specific image No zoom function
Image Transfer Available Not Available
Maintenance No maintenance required for 24 hours Tape change and storage