Digital Video Recorder User Manual
105
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.
Video
Format
Resolu
tion
Frame
Rate
Totally(FPS)
Video
Quality
Bit
Rate
(kbp
s)
Used
Storage
(MB/h)
Highest 640 281
Higher 512 225
Medium 384 168.7
Lower 256 112.5
PAL CIF 25
Lowest 128 56
Highest 640 281
Higher 512 225
Medium 384 168.7
Lower 256 112.5
NTSC CIF 30
Lowest 128 56
I.e. One customer uses NTSC cameras, set resolution to CIF, video quality to Lower, frame rate to 240fps for 16ch totally.
He want the unit continue to record a month. Below is the calculation.
Used storage in a day: 112.5X24(h)X(240fps/30fps)
21GB
Содержание DVR16-8600 Combo
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