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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
recording requires 8 KB per second (or 0.7 GB per day) for data storage.
Number of Days of Recording @30PPS (without Audio)
Recording Rate
Total
Total
Images
Images
Per
Per
Second
Second
NTSC
PAL
1
60 GB In
tern
al Sto ge
ra
30
25
15
12.5
7.5
6.25
30
0 GB Inter al Sto
n
rage
30
25
15
12.5
7.5
6.25
60
0 GB Inter al Sto
n
rage
30
25
15
12.5
7.5
6.25
Number of Days of Recording @60PPS (without Audio)
Recording Rate
Total
Total
Images
Images
Per
Per
Second
Second
Low
NTSC
PAL
NTSC
(8
(8
(11
KB)
KB)
KB)
7.5
9.0
5.5
1
5.0
18.0
1
1.0
29.9
35.9
21.9
14.0
16.8
10.3
28.1
33.7
20.6
56.1
67.3
41.2
28.1
33.7
20.6
56.1
67.3
41.2
112.2
134.7
82.3
Low
NTSC
PAL
NTSC
Recording Picture Quality Mode
Fair
Mid
PAL
NTSC
PAL
(11
(14
(14
KB)
KB)
KB)
6.6
4.3
13.2
8.7
26.3
17.3
12.3
8.1
24.7
1
6.2
49.4
32.5
24.7
16.2
49.4
32.5
98.8
65.0
Recording Picture Quality Mode
Fair
Mid
PAL
NTSC
PAL
High
NTSC
PAL
NTSC
(17
(17
(20
KB)
KB)
KB)
5.2
3.6
4.3
1
0.4
7.2
8.6
20.8
14.3
17.2
9.7
6.7
8.1
1
9.5
1
3.4
16.1
39.0
26.8
32.2
19.5
13.4
16.1
39.0
26.8
32.2
78.0
53.7
64.4
High
NTSC
PAL
NTSC
Best
PAL
(20
KB)
3.0
3.7
6.1
7.3
1
2.2
1
4.6
5.7
6.9
1
1.4
1
3.7
22.9
27.4
11.4
13.7
22.9
27.4
45.7
54.9
Best
PAL
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