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Example Operating Conditions
144
This section provides information that may help you in specifying and configuring a
computer to use as a Storage Server.
Frame Sizes
VK-64 receives each image from a Camera Server as a JPEG image. The size of the
images varies depending on the configuration of the Camera Server (the settings for Quality
and Resolution) and the complexity of the actual image.
The following tables give some typical frame sizes (in kilobytes) for various quality and
resolution values from a VB-C50i and VB150. However it is important to note that,
depending on the complexity of the image, the frame sizes may vary substantially from
those listed in the tables. For example, images of an empty corridor would typically be
smaller than these values and images of a very intricate pattern such as a crowded
shopping mall would typically be larger than these.
Example of frame sizes with VB150
Example of frame sizes with VB-C50i
160x120
320x240
640x480
30
40
50
70
80
90
3.8
4.4
5.0
6.6
8.1
11.8
11.1
13.3
15.1
20.3
25.4
37.3
36.4
43.4
49.2
67.0
85.5
128.0
Every installation of VK-64 is different (due to different usage
requirements and different hardware specifications) and the figures
provided in this section are an indication only. These figures are
not intended to apply to every installation of VK-64.
Note
Values are in kilobytes.
Resolution (captured with NTSC mode)
Quality
160x120
320x240
640x480
30
40
50
70
80
90
3.5
4.2
4.7
6.3
7.9
11.7
10.4
12.4
14.1
19.1
24.0
35.2
18.9
22.7
25.8
34.6
43.3
63.1
Resolution
Quality
*The data size mentioned above is an indication only, which will vary in accordance with the
subject being captured. Please be sure to confirm under the actual installation conditions
before starting operations.
* Please note that data size may increase enormously when video quality is set to 100.