INS_CNVETX1_REV– 06/10/13 PAGE 105
INSTALLATION AND OPERATION MANUAL
CNVETX1
TECH SUPPORT: 1.888.678.9427
Figure 98: MPEG-2 CODEC
To set the MPEG-2 Video CODEC:
1. In the CODEC drop down list select MPEG-2.
2. In the Camera text-box enter the number of cameras per video source.
3. In the Video Standard drop down list, select PAL or NTSC.
4. In the Image Size drop down list, select the image size of the video stream. The image size can
be adjusted between QCIF, CIF, and 4CIF.
5. From the Frame Rate drop-down list select the frame rate. The frame rates correspond to the
number of frames per second. The frame rate is different when in NTSC or in PAL.
6. In the GOP Size text-box select the number of frames in a GOP (Group of Pictures). The GOP
size is the distance between consecutive key frames.
7. From the Rate Control drop-down list select the rate control mode for the MPEG-2 encoder.
The default is CBR. The Rate Control Mode parameter defines Rate control options for the
MPEG-2 encoder. The options are CBR and Constant_Q.
8. Enter the required bit rate parameters according to the rate control mode. For CBR enter the Bit rate.
9. Enter the required Q Max and Q Min parameters for CBR. Enter the required Q Initial
parameter for Constant_Q.
10. Check the Use Server Defaults box if you want to use the default settings.
11. Select Save to save the settings.
