Espy Embedded Digital Video Recorder, User Manual

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Professional Series (A)
www.espyindia.com
41

Download: select a searched video to download to local. The download speed and percentage are
displayed on the bottom of the screen.
6.2 CLIENT OPERATION GUIDE
See
《
IMS1000 User Manual
》
7 APPENDIX
7.1 HDD CAPACITY CALCULATION

HDD capacity
There is no capacity limitation for each HDD, please select HDD according to your actual recording
requirement.

Formulas
Formula for total HDD capacity:
Total HDD Capacity (MB) = Channel Number × Time
（
Hour
）
× HDD Occupation Per Hour
（
MB/hr
）
Formula for record period:
Record Period
（
Hour
）
=
Total HDD Capacity (MB)
HDD Occupation Per Hour (MB/hr) × Channel Number
Simulation for file size (CBR)
Stream
（
top limit
）
File Stream
（
top limit
）
File Stream
（
top limit
）
File
96k 42M 320k 140M 896k 393M
128k 56M 384k 168M 1.00M 450M
160k 70M 448k 196M 1.25M 562M
192k 84M 512k 225M 1.50M 675M
224k 98M 640k 281M 1.75M 787M
256k 112M 768k 337M 2.00M 900M
The file size is different in VBR mode; the above data is only for reference.