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7
Storage Calculation
MDVR support dual streams.
Main stream is mainly used for local recording; Sub-stream is mainly used for network transmit or mirror
recording.
Main stream:
Resolution
Image
Quality
Level
1
2
3
4
5
6
7
8
Bitrate
[
MB/hour
]
1080P
3600
3150
2700 2250
1800
1350
900
675
720P
1800
1575
1350 1125
900
675
450
351
D1
900
675
540
450
395
351
316
281
HD1
562
422
337
281
246
219
198
176
CIF
351
264
211
176
153
137
123
110
Now take the Main-stream table for example.
DEFAULT IS 1080 LEVEL 5
It is an
approximate
data for
one camera in one hour
, eg.
1080P
, if the
Quality is 1
best), from the table, the camera uses 3600mb per hour per camera, 2TB is 2,000,000 MB
On the highest
1080P
Image
lever 1
quality at 3600MB per hour per camera
If you use 1 Camera
2TB HDD = 2,000,000MB / 3,600MB =
555 recording hours
If you use 4 cameras
(4 x 3,600) 14,400MB per hour =
139 hours Driving hours
If you change to
1080P
image
level 5
quality at 1800mb per hour per camera
If you use 1 Camera
2TB HDD = 2,000,000MB / 1,800MB =
1111 recording hours
If you use 4 cameras
(4 x 1,800) 7,200MB per hour =
278 hours Driving hours
If you change to
D1 CAMERA
and
image level 4 quality
at 450mb per hour per
camera
If you use 1 Camera
2TB HDD = 2,000,000MB / 450MB =
4444 recording hours
If you use 4 cameras
(4 x 450) 1,800MB per hour =
1111 Driving hours