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DVR Calculators
1. Total Recording Capacity in Days or Hours
Select Camera Resolution:
CIF (352x240)
2CIF (704x240)
4CIF (704x480)
Select Number of Cameras:
Enter HD Storage (in TB or in GB):
TB
GB
Enter Usable HD in (%):*
% (< 100%)
GB Usable*
Select Frame Rate per Camera:
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
FPS
Estimated Recording Capacity:***
Recording Capacity in Days**
Best
Average
Worst
Days
Or Recording Capacity in Hours
Best
Average
Worst
Hours
*Not all disk space are usable due to partition and system files. We use data in GB Usable field in calculation.
**Assume 24-hour continuous recording.
***We present three cases to help you better assess the installation environment.
Best - Good lighting, clean picture, low motion or activity.
Average - Normal lighting, relatively clean picture, average motion and activity.
Worst - Normal to poor lighting, picture has noticeable noise, and plenty of motion and activity.
2. Storage Needed in GB
Select Camera Resolution:
CIF (352x240)
2CIF (704x240)
4CIF (704x480)
Select Number of Cameras:
Enter Recording in Days:
Days
Enter Recording Hours Per Day:
Hours
Select Frame Rate per Camera:
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
FPS
Estimated Disk Storage:*
Highest
Normal
Lowest
GB
*We present three cases to help you better assess the installation environment.
Highest - Select high quality setting in recording. Or normal to poor lighting, picture has noticeable noise, complex scene with lots of motion and activity.
Normal - Select normal or average quality setting in recording. Or normal lighting, relatively clean picture, average motion and activity.
Lowest - Select low quality setting in recording. Or good lighting, clean picture, low motion or activity.
3. Calculate per Camera Bandwidth (in MB per hour)
Select Number of Cameras:
Enter HD Storage (in TB or in GB):
TB
GB
Enter Usable HD in (%):
% (< 100%)
GB Usable
Enter Desired Recording in Days:
Days
Enter Recording Hours Per Day:
Hours
Estimated Bandwidth Per Camera:
Kbps Or
MB per Hour
© 2008 JDL Digital Systems
