Appendix B: Record Duration
The record duration relates to recording rate, image quality and HDD capacity. Refer to
the following table.
NOTE:
Record duration times are based on actual tests and represent average file
sizes. Performance may vary depending on specific installations and use. Audio
Number of Days of Recording @30PPS (without Audio)
recording requires 8 KB per second (or 0.7 GB per day) for data storage.
Recording Rate
Recording Picture Quality Mode
Low
Fair
Mid
High
Best
Total
Images
Per
Second
Total
Images
Per
Second
NTSC PAL NTSC PAL NTSC PAL NTSC PAL NTSC PAL
NTSC
PAL
(8
KB)
(8
KB)
(11
KB)
(11
KB)
(14
KB)
(14
KB)
(17
KB)
(17
KB)
(20
KB)
(20
KB)
1
tern
ra
60 GB In
al Sto
ge
30
25
7.5
9.0
5.5
6.6
4.3
5.2
3.6
4.3
3.0
3.7
12.5
1
15
5.0
18.0
1
13.2
8.7
1
1.0
0.4
7.2
8.6
6.1
7.3
7.5
6.25
29.9
35.9
21.9
26.3
17.3
20.8
14.3
17.2
1
1
2.2
4.6
30
n
rage
0 GB Inter al Sto
30
25
14.0
16.8
10.3
12.3
8.1
9.7
6.7
8.1
5.7
6.9
12.5
28.1
33.7
20.6
24.7
1
1
1
15
6.2
9.5
3.4
16.1
1
1
1.4
3.7
7.5
6.25
56.1
67.3
41.2
49.4
32.5
39.0
26.8
32.2
22.9
27.4
60
n
rage
0 GB Inter al Sto
30
25
28.1
33.7
20.6
24.7
16.2
19.5
13.4
16.1
11.4
13.7
12.5
15
56.1
67.3
41.2
49.4
32.5
39.0
26.8
32.2
22.9
27.4
7.5
6.25
112.2 134.7
82.3
98.8
65.0
78.0
53.7
64.4
45.7
54.9
Number of Days of Recording @60PPS (without Audio)
Recording Rate
Recording Picture Quality Mode
Low
Fair
Mid
High
Best
Total
Images
Per
Second
Total
Images
Per
Second
NTSC PAL NTSC PAL NTSC PAL NTSC PAL NTSC PAL