0
Owner's of the Axis Communications Security Camera 209 FD-R M12 gave it a score of 0 out of 5. Here's how the scores stacked up:
40
AXIS 209FD/FD-R/FD-R M12
Optimizing your system
To see the bandwidth and frame rate currently required by the video stream, the AXIS 209FD/FD-R/FD-R
M12 provides a tool that can be used to display these values directly in the video image.
To do this, special format strings are add
ed as part of a text overlay.
Simply add #r (average frame rate in fps) and/or #b (average
bandwidth in kbps) to the overlay.
For detailed instructions, please
see the online help for Video &
Image > Text Overlay Settings, and the help for File Naming &
Date/Time Formats.
Important!
The figures displayed here are the values as delivered by the camera
. If other restrictions are currently in force, (e.g. bandwidth
limitation) these values might not correspond to those actually received by the client.
•For Motion JPEG, these values will be accurate as long as no frame rate limit has been specified.
Bandwidth
As there are many factors that affect bandwidth, it is very difficult to predict the required amounts. The
settings that affect bandwidth are:
• image resolution
• image compression
•frame rate
• MPEG-4 GOV settings
• bit rate control settings
There are also factors in the monitored scene that will
affect the bandwidth. These are:
• amount of motion
• image complexity
• lighting conditions
For MPEG-4, if there is only limited bandwidth available,
and if this is more important than the image
quality, using a constant bit rate (CBR) is recommended. Use a variable bit rate (VBR) if the image quality
needs to be maintained at a higher level. If supported on the network, consider also using MPEG-4
multicasting, as the bandwidth consumption will be much lower.
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