Bosch VJT-X10S Operation Manual - Page 49

Target data rate, Maximum data rate, Encoding interval, Video resolution, 4CIF/D1, Default, Details

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VideoJet X10 Configuration Using a Web Browser | en 49 Target data rate You can limit the data rate for the VideoJet X10 to optimize utilization of the bandwidth in your network. The target data rate should be set according to the desired picture quality for typical scenes with no excessive motion. For complex images or frequent changes of image content due to frequent movements, this limit can be temporarily exceeded up to the value you enter in the Maximum data rate field. Encoding interval The figure selected here determines the interval at which images are encoded and transmitted. For example, entering 4 means that only every fourth image is encoded, the following three are skipped - this can be particularly advantageous with low bandwidths. The image rate in ips (images per second) is displayed next to the text field. Video resolution Here you can select the desired resolution for the video image. The following resolutions are available: - QCIF 176 × 144/120 pixels - CIF 352 × 288/240 pixels - 1/2 D1 352 × 576/480 pixels - 2CIF 704 × 288/240 pixels - 4CIF/D1 704 × 576/480 pixels - 2/3 D1 464 × 576/480 pixels Default Click Default to return the profile to the factory default values. Details Clicking the Details >> button displays further details on image quality and data transmission. These settings require extensive knowledge of the MPEG standard and video data compression. Incorrect settings can render the video images unusable. Maximum data rate This maximum data rate is not exceeded under any circumstances. Depending on the video quality settings for the I- and P-frames, this fact can result in individual images being skipped. The value entered here must be at least 10% higher than the value entered in the Target data rate field. If the value entered here is too low, it will automatically be adjusted. Bosch Security Systems Installation and Operating Manual DOC | V4.0 | 2009.06

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VideoJet X10
Configuration Using a Web Browser | en
49
Bosch Security Systems
Installation and Operating Manual
DOC | V4.0 | 2009.06
Target data rate
You can limit the data rate for the VideoJet X10 to optimize utilization of the bandwidth in
your network. The target data rate should be set according to the desired picture quality for
typical scenes with no excessive motion.
For complex images or frequent changes of image content due to frequent movements, this
limit can be temporarily exceeded up to the value you enter in the
Maximum data rate
field.
Encoding interval
The figure selected here determines the interval at which images are encoded and
transmitted. For example, entering
4
means that only every fourth image is encoded, the
following three are skipped - this can be particularly advantageous with low bandwidths. The
image rate in ips (images per second) is displayed next to the text field.
Video resolution
Here you can select the desired resolution for the video image. The following resolutions are
available:
–
QCIF
176 × 144/120 pixels
–
CIF
352 × 288/240 pixels
–
1/2 D1
352 × 576/480 pixels
–
2CIF
704 × 288/240 pixels
–
4CIF/D1
704 × 576/480 pixels
–
2/3 D1
464 × 576/480 pixels
Default
Click
Default
to return the profile to the factory default values.
Details
Clicking the
Details >>
button displays further details on image quality and data transmission.
These settings require extensive knowledge of the MPEG standard and video data
compression. Incorrect settings can render the video images unusable.
Maximum data rate
This maximum data rate is not exceeded under any circumstances. Depending on the video
quality settings for the I- and P-frames, this fact can result in individual images being skipped.
The value entered here must be at least 10% higher than the value entered in the
Target data
rate
field. If the value entered here is too low, it will automatically be adjusted.