Grass Valley PROFILE FAMILY v.2.5 - Manual (Page 317)

Configuring Video Resources
Profile Family 317
3. To add a video track, click the Add Track button and the Add Track dialog
box appears (see Figure 150). Click Video , then select either JPEG or
MPEG , depending on the type of track you want. Click Add when done. The
new video track icon will appear in the configuration tree.
NOTE: JPEG and MPEG tracks cannot be mixed. Therefore, before
you can add an MPEG track, you must remove all JPEG video tracks,
or before you can add a JPEG track, you must remove all MPEG
tracks.
Figure 150. Add Track dialog box for video
4. In the Video Quality list box, select a video quality if you want something
other than the default (Medium). The higher the quality, the more disk space
is used.
5. To make a custom quality setting, click the button next to the Video Quality
list box, and the Custom Video Quality Settings dialog box appears. Select
either
Custom1 or Custom2 in the Video Quality list box. When selected,
you can change the name of a custom setting.
- For JPEG (see Figure 151 and Table 18), select a video quality with the
slider.
- For MPEG (see Figure 152 and Table 19), move the diamond on the grid
to change the bit rate and group of pictures (GOP) settings, and click the
button for the desired chrominance setting. The
High , Medium , Low , and
Draft buttons select the preset bit rates and GOP settings, which can be
useful as reference points when you are making a custom setting. Click
Undo to undo changes, and click OK when done.