Appendix B Calculation Of Recording Capacity; Calculate Recording Capacity - Swann 8600 Series User Manual

Appendix B
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
Resolution
Format
PAL
NTSC
The calculation format is:
Total Recording capacity =Used space per hour (MB/h) (coverage rate of hard disk)
For instance, one customer uses NTSC cameras, set resolution to CIF, video quality to Lower, frame rate to 240 fps for
Digital Video Recorder User Manual

Calculate Recording Capacity

Frame Rate
Totally(FPS)
CIF 25
CIF 15
× recording time (hour) ×channel numbers
Video Quality Bit Rate (kbps)
Highest 640
Higher 512
Medium 384
Lower 256
Lowest 128
Highest 314.9
Higher 251.5
Medium 188.3
Lower 125.4
Lowest 93.4
Used Space(MB/h)
281
225
168.7
112.5
56
141.7
112.5
84.7
56.4
42
109