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Appendix b calculate recording capacity – Talos Security DR08 DVR Manual User Manual

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Digital Video Recorder User Manual

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Appendix B Calculate Recording Capacity

Make sure the hard disk formatted and installed to the DVR for the first time.

1

Hard disk capability

There is no limit for recording machine. We recommend 500G~2TB size to keep

better stability.

2

Overall capability option

The hard disk capability formula is:

Overall capability

(M)=channel number*time(hour)*capability in an hour(M/hour)

The recording time formula is:

Recording time

(hour)=

overall capability

(M)

Capability in an hour

(M/hour)*channel number

The DVR introduces the H.264 compression technology. Its dynamic range is very

large so the hard disk capability calculation is based on the estimation values of each

channel creating files in an hour.

Example:

For one piece 500G HDD, real time CIF for recording, it will keep recording for about

25 days. HDD space per channel is 200M/H, if 4channels real time CIF at 24hours

recording uninterrupted: 500G (200M/H*24H*4ch) =26 days

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