Genie WHDSDI16 User Manual
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Contents
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DVR User Manual96Appendix B Calculate Recording CapacityUsers can calculate the required size of hard disk according to the total recording duration and DVR recording settings. The DVR usesfixed video bit rate. The below are the details at different settings for CBR.Resolution Frame RateTotally(FPS) Video Quality Bit Rate (kbps) Used Space(MB/h)1080P 25(PAL)/30(NTSC)Highest 12M 5400Higher 9M 4050Medium 7M 3150Low 6M 2700Lower 4M 1800Lowest 1.5M 675The calculation format is: Total Recording capacity =Used space per hour (MB/h) (coverage rate of hard disk) × recording time(hour) ×channel numbersFor instance, one customer uses PAL cameras, set resolution to 1080P, video quality to Lowest, frame rate to 25 fps for enabling total 4channels. He wants the unit to record continuously in a month. Below is the calculation:Total Recoding capacity =675 (mb/h) X 24(hours/day) X30(days) X4(channels)= 1944000 (MB)≈1898(GB)Therefore, customers need to install two SATA HDDs with 1000GB for one month record. |
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