Axis 282A User Manual download pdf (Page 75)

AXIS 282/AXIS 282A - Technical Specifications

Bandwidth

As there are many factors affecting bandwidth, it is very difficult to predict the required

amounts. The settings that affect bandwidth are:

• the image resolution

• the image compression

•the frame rate

• the MPEG-4 object type

• the MPEG-4 GOV structure

• the analog cameras connected to the Vi

deo Server

• the audio settings

There are also factors in the monitored scene that

will affect the bandwidth. These are:

• the amount of motion

• the image’s complexity

• the 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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Axis 282A User Manual Page 75