Matrox RT.X2 User Manual page 38

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8 If you're capturing to a Matrox MPEG-2 format, click the Configure button
to configure your MPEG-2 settings. For details on the available settings, see
"Selecting your MPEG-2 I-frame settings"
MPEG-2 IBP settings"
click OK to return to the Matrox Capture Settings dialog box.
Select Use Automatic Gain Control (AGC) if you want the gain of your
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composite or S-Video input signal to be adjusted automatically to
compensate for very bright or dark images. This improves the brightness or
contrast of your picture.
Click OK to save your settings and return to the Project Settings dialog
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box.
Chapter 3, Defining Your Adobe Premiere Pro Settings
Matrox MPEG-2 I-frame
using the 4:2:2 Profile @ Main Level at a selected data rate (SD resolution
only). For the best results when capturing video clips on which you'll be
applying chroma key effects, you should use this codec instead of a DV
codec.
Matrox MPEG-2 I-frame HD
format using the 4:2:2 Profile @ High Level at a selected data rate (HD
resolution only). This is the only capture format available to capture analog
video for a 1440×1080i project.
Captures video to MPEG-2 intra-frame format
Captures video to MPEG-2 intra-frame
on page 39, or
on page 41. Once you've configured your settings,
"Selecting your