Wireless NVR System User Manual
55
Image 71
7. Appendix
7.1 Hard Drive Capacity Unit Conversion
Device Capacity Unit Conversion
Operation System Capacity Unit Conversion
B
1 B
=
8 b
B
1 B
=
8 b
MB
1 MB
=
1000 KB
MB
1 MB
=
1024 KB
GB
1 GB
=
1000 MB
GB
1 GB
=
1024 MB
TB
1 TB
=
1000 GB
TB
1 TB
=
1024 GB
Tips:
Device capacity unit conversion is the same with hard drive suppliers; adopt 1GB = 1000MB
7.2 Recording Capacity Calculation
1.
Video file size for a single channel: A
=
B÷8÷1000×3600
2.
Video file size of multi-channel 24 hours’ recording: A
=
B÷8÷1000×3600×24×N
3.
Video file size of multi-channel multi-days’ recording: A
=
B÷8÷1000×3600×24×D×N
Tips:
A represents the hard drive capacity, B represents size of code rate , N represents number of
recording channels, D represents recording days