|
DVR Type VS VTR Type |
|
SYSTEM |
DVR Type |
VTR Type |
|
1. Recording method |
|
Digital |
|
Analog |
|
2. Medium of storage |
|
HDD |
|
Video Tape |
|
3. Term of storage |
|
Semi permanent |
|
Scrapping after using over 3times |
|
4. Search |
|
Research by time, camera, event at
once |
|
Researching the whole tape |
|
5. Monitoring Limits |
|
Short & Long distance |
|
Short distance |
|
6. Motion Detector |
|
Recording when there is motion |
|
Recording whether there is motion or
not |
|
7. Sensor function |
|
Support |
|
Impossible |
|
8. Image Quality |
|
High Quality |
|
Low Quality |
|
9. Frame/sec |
|
1~ Max.30 Frame/sec |
|
Commonly 1 Frame /3sec |
|
10. Image data out put |
|
Possible( Printer, Remote
transmission) |
|
Impossible (Necessary of other
equipment) |
|
11. Remote control |
|
Support |
|
Impossible |
|
12. Maintenance cost |
|
None |
|
High cost |
|
13. Up-grade |
|
Simple (Technical development) |
|
Impossible |
|
|