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User’s Manual
DVR-4TN/8TN/16TN/ 16TS/16TT Series
SPECO TECHNOLOGIES 01/06
109
Appendix C: 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.
Please refer to our recording time calculator on the Speco website for other possible
calculations. http://www.Specotech.com Æ SupportÆTools
Number of Days of Recording 720 x 480 @ 30PPS (without Audio)
Recording Rate Recording Quality Mode
Low Fair Mid High Best
Total
Images Per
Second
NTSC
Total
Images Per
Second
PAL
NTSC
(8 KB)
PAL
(8 KB)
NTSC
(11 KB)
PAL
(11 KB)
NTSC
(14 KB)
PAL
(14 KB)
NTSC
(17 KB)
PAL
(17 KB)
NTSC
(20 KB)
PAL
(20 KB)
160 GB Internal Storage
30 25 7.5 9.0 5.5 6.6 4.3 5.2 3.6 4.3 3.0 3.7
15 12.5 15.0 18.0 11.0 13.2 8.7 10.4 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 12.2 14.6
300 GB Internal Storage
30 25 14.0 16.8 10.3 12.3 8.1 9.7 6.7 8.1 5.7 6.9
15 12.5 28.1 33.7 20.6 24.7 16.2 19.5 13.4 16.1 11.4 13.7
7.5 6.25 56.1 67.3 41.2 49.4 32.5 39.0 26.8 32.2 22.9 27.4
600 GB Internal Storage
30 25 28.1 33.7 20.6 24.7 16.2 19.5 13.4 16.1 11.4 13.7
15 12.5 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