Comnet CNVETX1 Datasheet Page 53

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INS_CNVETX1_REV– 06/10/13 PAGE 53
INSTALLATION AND OPERATION MANUAL CNVETX1
TECH SUPPORT: 1.888.678.9427
Figure 48: MPEG-4 Constant Q Parameters
To set the MPEG-4 Video CODEC:
1. In the left pane select the Streaming menu, and from the sub-menus select Video and then
MPEG-4.
The right pane displays the MPEG-4 Parameters area.
2. In the GOP Size text-box Select the number of frames in a GOP (Group of Pictures) in the range
of 1–100.
3. From the Rate Control Mode drop-down list select the rate control mode for the MPEG-4
encoder. The default is CBR.
VBR (Variable Bit Rate)
CBR (Constant Bit Rate)
Constant Q (Constant Quantization)
4. Enter the required bit rate parameter according to the rate control mode (between 50000 to
10000000):
VBR:
Average Bit rate - average bit rate of the video stream. The default is 4000000
Maximum Bit rate – maximum bit rate of the video stream. The default is 5000000
CBR: the constant bit rate of the video stream. The default is 4000000
CONSTANT_Q: No bit rate control.
Table 5 – UTC Time Zones
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