Canon VB-M42 Network Video Recording Software RM Series Administrator s Manual - Page 26

Data Size and Bit Rate Estimates

Get Canon VB-M42 PDF manuals and user guides View all Canon VB-M42 manuals
Add to My Manuals
Save this manual to your list of manuals

Page 26 highlights

Example 2: MPEG-4 recording • Video recording from 8 cameras (VB-C60). • Video size is 320 x 240 and video quality is 3. • Recording frame rate is 30 fps. • Data size per second is approximately 150 KB. Although the actual recording data size depends on the objects recorded by each camera, this calculation assumes the typical sizes given above. If MPEG-4 videos from 8 cameras are recorded at 30 frames per second in continuous recording mode, the required hard disk space is approximately 99 GB per day (= 150 KB x 8 cameras x 60 seconds x 60 minutes x 24 hours = 103,680,000 KB). Example 3: H.264 recording • Video recording from 8 cameras (VB-M40). • Video size is 320 x 240 and video quality is 3. • Recording frame rate is 30 fps. • Data size per second is approximately 84 KB. Although the actual recording data size depends on the objects recorded by each camera, this calculation assumes the typical sizes given above. If H.264 videos from 8 cameras are recorded at 30 frames per second in continuous recording mode, the required hard disk space is approximately 55 GB per day (= 84 KB x 8 cameras x 60 seconds x 60 minutes x 24 hours = 58,060,800 KB). Note that the actual recording file size may be different from the size in the table, depending on the weather conditions and the complexity of the scene. For example, video of an empty corridor would typically result in values smaller than the above values. Conversely, complex scenes, such as a crowded shopping mall, would result in larger values. „ Data Size and Bit Rate Estimates The following tables shows typical data sizes per frame (in KB) for various combinations of video quality and size settings. Estimates of the Data Size for VB-S30D/VB-S31D/VB-S800D/VB-S900F/VB-S805D/VB-S905F (JPEG) Video Quality 1 2 3 4 5 1080p Category* 480 × 270 960 × 540 1920 × 1080 8.61 27.20 88.29 12.74 39.21 122.03 16.21 49.54 153.13 21.23 65.16 206.25 35.95 117.00 392.44 Video Size 720p Category 320 x 180 640 x 360 1280 x 720 4.81 13.53 44.73 7.03 19.85 63.67 8.86 25.31 80.23 11.43 33.45 105.81 18.85 57.50 192.90 4:3 Category 320 x 240 640 x 480 1280 x 960 5.72 17.65 59.38 8.30 25.56 82.81 10.48 32.32 103.27 13.64 42.51 137.26 22.84 74.73 256.15 * VB-S805D/VB-S905F not supported. (Unit: KB) 26

  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
  • 27
  • 28
  • 29
  • 30
  • 31
  • 32
  • 33
  • 34
  • 35
  • 36
  • 37
  • 38
  • 39
  • 40
  • 41
  • 42
  • 43
  • 44
  • 45
  • 46
  • 47
  • 48
  • 49
  • 50
  • 51
  • 52
  • 53
  • 54
  • 55
  • 56
  • 57
  • 58
  • 59
  • 60
  • 61
  • 62
  • 63
  • 64
  • 65
  • 66
  • 67
  • 68
  • 69
  • 70
  • 71
  • 72
  • 73
  • 74
  • 75
  • 76
  • 77
  • 78
  • 79
  • 80
  • 81
  • 82
  • 83
  • 84
  • 85
  • 86
  • 87
  • 88
  • 89
  • 90
  • 91
  • 92
  • 93
  • 94
  • 95
  • 96
  • 97
  • 98
  • 99
  • 100
  • 101
  • 102
  • 103
  • 104
  • 105
  • 106
  • 107
  • 108
  • 109
  • 110
  • 111
  • 112
  • 113
  • 114
  • 115
  • 116
  • 117
  • 118
  • 119
  • 120
  • 121
  • 122
  • 123
  • 124
  • 125
  • 126
  • 127
  • 128
  • 129
  • 130
  • 131
  • 132
  • 133
  • 134
  • 135
  • 136
  • 137
  • 138
  • 139
  • 140
  • 141
  • 142
26
Example 2: MPEG-4 recording
•
Video recording from 8 cameras (VB-C60).
•
Video size is 320 x 240 and video quality is 3.
•
Recording frame rate is 30 fps.
•
Data size per second is approximately 150 KB.
Although the actual recording data size depends on the objects recorded by each camera, this calculation assumes the
typical sizes given above.
If MPEG-4 videos from 8 cameras are recorded at 30 frames per second in continuous recording mode, the required hard
disk space is approximately 99 GB per day (= 150 KB x 8 cameras x 60 seconds x 60 minutes x 24 hours =
103,680,000 KB).
Example 3: H.264 recording
•
Video recording from 8 cameras (VB-M40).
•
Video size is 320 x 240 and video quality is 3.
•
Recording frame rate is 30 fps.
•
Data size per second is approximately 84 KB.
Although the actual recording data size depends on the objects recorded by each camera, this calculation assumes the
typical sizes given above.
If H.264 videos from 8 cameras are recorded at 30 frames per second in continuous recording mode, the required hard
disk space is approximately 55 GB per day (= 84 KB x 8 cameras x 60 seconds x 60 minutes x 24 hours = 58,060,800 KB).
Note that the actual recording file size may be different from the size in the table, depending on the weather conditions and
the complexity of the scene. For example, video of an empty corridor would typically result in values smaller than the above
values. Conversely, complex scenes, such as a crowded shopping mall, would result in larger values.
Data Size and Bit Rate Estimates
The following tables shows typical data sizes per frame (in KB) for various combinations of video quality and size settings.
Estimates of the Data Size for VB-S30D/VB-S31D/VB-S800D/VB-S900F/VB-S805D/VB-S905F (JPEG)
(Unit: KB)
*
VB-S805D/VB-S905F not supported.
Video
Quality
Video
S
ize
1080p Category*
720p Category
4:3 Category
480 × 270
960 × 540
1920 × 1080
320 x 180
640 x 360
1280 x 720
320 x 240
640 x 480
1280 x 960
1
8.61
27.20
88.29
4.81
13.53
44.73
5.72
17.65
59.38
2
12.74
39.21
122.03
7.03
19.85
63.67
8.30
25.56
82.81
3
16.21
49.54
153.13
8.86
25.31
80.23
10.48
32.32
103.27
4
21.23
65.16
206.25
11.43
33.45
105.81
13.64
42.51
137.26
5
35.95
117.00
392.44
18.85
57.50
192.90
22.84
74.73
256.15