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VIVOTEK
User's Manual - 85
The frame rate will decrease if you select a higher resolution�
■ Intra frame period
Determine how often to plant an I frame� The shorter the duration, the more likely you will get better
video quality, but at the cost of higher network bandwidth consumption� Select the intra frame period
from the following durations: 1/4 second, 1/2 second, 1 second, 2 seconds, 3 seconds, and 4 seconds.
■
Video quality
Constant bit rate:
• Constant bit rate: A complex scene generally produces a larger file size, meaning that
higher bandwidth will be needed for data transmission� The bandwidth utilization is
congurable to match a selected level, resulting in mutable video quality performance. The
bit rates are selectable at the following rates: 20Kbps, 30Kbps, 40Kbps, 50Kbps, 64Kbps,
128Kbps, 256Kbps, 512Kbps, 768Kbps, 1Mbps, 2Mbps, 3Mbps, 4Mbps, 6Mbps, 8Mbps,
10Mbps, 12Mbps, 14Mbps, and 16Mbps� You can also select Customize and manually
enter a value�
• Fixed quality: On the other hand, if Fixed quality is selected, all frames are transmitted
with the same quality; bandwidth utilization is therefore unpredictable� The video quality
can be adjusted to the following settings: Medium, Standard, Good, Detailed, and
Excellent� You can also select Customize and manually enter a value�