Vivotek PT3112/3122 User Manual download pdf (Page 18)

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Administrator’s capability

Tune the best performance

The best performance means the image refresh rate should be the fastest as possible

and the video quality should be the best as possible at the lowest network bandwidth

as possible. Three factors, “Maximum frame rate”, “Fix bit rate”, and “Fix

quality” in the Video configuration page, are correlative to the performance.

My priority is real-time motioned images

To achieve the real-time visual effect, the network bandwidth should be large enough

to transmit 20 image frames or more. If you are in the broadband network over 1 Mbps,

you can fix the bit rate to 1000Kbps or 1200Kbps, or fix the quality to achieve the

maximum frames. The maximum frame rate is 25 in 50Hz system and 30 in 60Hz

system. If your network bandwidth is more than 384Kbps, you can fix the bit rate

according to your bandwidth and set the maximum frame rate to 25 or 30. If the

images vary dramatically in your environment, you may slow down the maximum

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Vivotek PT3112/3122 User Manual Page 18