MDVR Storage Calculator
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Note: This webpage can be saved as a local HTML to run, no network environment is required.
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| Conditions |
Frame：
Storage capacity：
Channel：
Default quality：Normal：3；Alarm：2；
Used for N9M based device
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| Resolution | Quality | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 |
| WD1 P：960*576 N：960*480 |
Bit rate | 2048*1.3 | 1536*1.3 | 1280*1.3 | 1024*1.3 | 900*1.3 | 800*1.3 | 720*1.3 | 640*1.3 |
| Data size(Per hour) | |||||||||
| Storage time | |||||||||
| WHD1 P：960x288 N：960x240 |
Bit rate | 1536*1.3 | 1280*1.3 | 1024*1.3 | 768*1.3 | 640*1.3 | 560*1.3 | 500*1.3 | 450*1.3 |
| Data size(Per hour) | |||||||||
| Storage time | |||||||||
| WCIF P：480X288 N：480X240 |
Bit rate | 1024*1.3 | 768*1.3 | 640*1.3 | 512*1.3 | 440*1.3 | 350*1.3 | 312*1.3 | 280*1.3 |
| Data size(Per hour) | |||||||||
| Storage time | |||||||||
| D1/VGA P：704*576 N：704*480 |
Bit rate | 2048 | 1536 | 1280 | 1024 | 900 | 800 | 720 | 640 |
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| HD1 P：704*288 N：704*240 |
Bit rate | 1536 | 1280 | 1024 | 768 | 640 | 560 | 500 | 450 |
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| CIF P：352*288 N：352*240 |
Bit rate | 1024 | 768 | 640 | 512 | 440 | 350 | 312 | 280 |
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| QCIF/QVGA P：176*144 N：160*120 |
Bit rate | 512 | 448 | 416 | 384 | 352 | 320 | 288 | 256 |
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| 720P 1280*720 |
Bit rate | 6144 | 4800 | 4128 | 3456 | 2784 | 2112 | 1440 | 768 |
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| 1080P 1920*1080 |
Bit rate | 8192 | 6390 | 5496 | 4602 | 3708 | 2814 | 1920 | 1024 |
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1、960 Bit rate is 1.3 times the standard (D1 HD1 CIF).
2、Bit rate calculation formula for frame extraction:
PAL：Achieve Bit rate=Actual frame / 25 * Full frame Bit rate * Conversion factor （Conversion factor：Frame(1-5):1.4 Frame(6-11):1.3 Frame(12-17):1.2 Frame(18-22):1.1 Frame(23-25):1.0）
NTSC：Achieve Bit rate=Actual frame Frame / 25 * Full frame Bit rate * Conversion factor （Conversion factor：Frame(1-6):1.4 Frame(7-14):1.3 Frame(15-21):1.2 Frame(22-27):1.1 Frame(28-30):1.0）
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