TeleEye JN308, Руководство пользователя

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Appendix B Calculate Recording Capacity
Users can calculate the size of hard disk according to the saving time and DVR recording settings. The DVR uses fixed video
bit rate. The below are the details at different settings.
Resolution
Frame Rate
Totally(FPS)
Video Quality
Bit Rate
(kbps)
Used Space(MB/h)
Highest
2.5M 1125
Higher
2M 900
Medium
1.75M 788
Low
1.5M 675
Lower
1M 450
WD1
25(PAL)
30(NTSC)
Lowest
768 338
The calculation format is:
Total Recording capacity =Used space per hour (MB/h) (coverage rate of hard disk) ×
recording time (hour) ×channel numbers
For instance, one customer uses PAL cameras, set resolution to WD1, video quality to lowest, frame rate to 25 fps for enabling
total 4channels. He wants the unit to record continuously in a month. Below is the calculation:
Total Recoding capacity =338 (mb/h) X 24(hours/day) X30(days) X4(channels)= 973440 (MB)
≈
950(GB)
Therefore, customers just install one SATA HDDs with 1000GB, it can almost record for one month.