![](/images/new-backgrounds/1148930/148930119x1.webp)
A The
Q Why is the timestamp different from the system time of my PC or notebook?
A The timestamp is based on the system time of Video Server. It is maintained by a
Q How many users are allowed to watch Video Server at the same time?
A To achieve the best effect, Video Server will allow twenty users to connect at the same time. Excess users can get an
Q How fast is the video rate of Video Server?
A The JPEG codec can process 30 frames per second internally. However the total performance is subject to many coefficients as follows,
1.network throughput,
2.bandwidth share,
3.number of users,
4.number of video inputs are accessed at one time,
5.the complicated objects in view results in larger image file,
6.the level of your PC or notebook which is responsible of displaying images.
In general, the transfer rate in general local network environment can achieve over 200 kilobytes per second and approximately 10 to 20 pictures of normal environment per second. The general frame size is illustrated in the follow table for reference.
Quality setting | Size of each frame | Bandwidth demand for 30fps |
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|
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Medium | 6.51 kbyte | 1562 kbps |
|
|
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Standard | 6.69 kbyte | 1606 kbps |
|
|
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Good | 9.29 kbyte | 2230 kbps |
|
|
|
Detailed | 14.28 kbyte | 3427 kbps |
|
|
|
Excellent | 24.24 kbyte | 5818 kbps |
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Q How can I keep Video Server as private as possible?
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