User’s Manual
Appendix C: Record Duration
The record duration relates to recording rate, image quality, HDD capacity, and event settings. The following tables give sample calculation of record duration according to different recording rate, image quality, and HDD capacity, excluding consideration of events, for different models with different recording mode. The recording quality refers to the Normal Qlty setting of <Per Camera Config> in <Record Setting>, assuming all channel are set to the same quality at all times.
| Per Camera Config |
| |
Cameral Select | Day |
| CH1 |
| Night | Weekend | |
Normal PPS | 7.5 | 7.5 | 7.5 |
Normal Qlty | Mid | Mid | Mid |
Event Max PPS | 30 | 30 | 30 |
Event Qlty | Best | Best | Best |
Event Act | Both | Both | Both |
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 Support Æ Tools
Refer to the following tables for some samples of estimated recording duration of different record modes in H.264 compression.
Record Duration (Days):
Recording Rate |
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| Recording Quality Mode |
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Total PPS of all | Low | Fair | Mid | High | Best | ||||||
Channels | NTSC | PAL | NTSC | PAL | NTSC | PAL | NTSC | PAL | NTSC | PAL | |
NTSC | PAL | (8 KB) | (8 KB) | (12 KB) | (12 KB) | (16 KB) | (16 KB) | (20 KB) | (20 KB) | (24 KB) | (24 KB) |
160 GB Internal Storage |
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30 | 25 | 10.52 | 12.63 | 4.79 | 5.74 | 276 | 3.31 | 1.81 | 2.17 | 1.29 | 1.55 |
15 | 12.5 | 21.04 | 25.25 | 9.57 | 11.49 | 5.52 | 6.62 | 3.62 | 4.34 | 2.58 | 3.09 |
7.5 | 6.25 | 42.09 | 50.50 | 19.15 | 22.98 | 11.03 | 13.24 | 7.24 | 8.69 | 5.16 | 6.19 |
320 GB Internal Storage |
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30 | 25 | 21.56 | 25.87 | 9.81 | 11.77 | 5.65 | 6.78 | 3.71 | 4.45 | 2.64 | 3.17 |
15 | 12.5 | 43.12 | 51.75 | 19.62 | 23.55 | 11.31 | 13.57 | 7.42 | 8.90 | 5.28 | 6.34 |
7.5 | 6.25 | 86.25 | 103.49 | 39.24 | 47.09 | 22.61 | 27.14 | 14.83 | 17.80 | 10.57 | 12.68 |
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SPECO TECHNOLOGIES 07/10 |
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