User guide

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Chapter 8, Using Matrox MXO2 with Adobe Premiere Pro
when you try to capture from certain composite and S-Video devices,
especially from low-quality VCRs. If this happens, selecting
Consumer-quality Source will allow the video to be captured, but you
may experience dropped frames during the capture.
¦NoteFor any change to the input type to take effect, you must restart
Premiere Pro and open your project again.
8 Select Use Automatic Gain Control (AGC) if you want the gain of your
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.
9 Under Capture Format, select the format to which you want to capture
your source video. The formats available depend on your selected input
format. If required, your source video will be scaled during capture to match
your capture format. For a list of the supported capture formats, see
“Supported capture formats for Adobe Premiere Pro” on page 295.
10 If you’re capturing HD video to an SD format, under Capture Aspect
Ratio
, select 4:3 to capture video to the standard TV screen format, or 16:9
to capture to the widescreen 16:9 format. For all HD capture formats, the
Capture Aspect Ratio is set to 16:9. When capturing SD video to an SD
format, the
Capture Aspect Ratio is set to match the Input Aspect Ratio.
11 Under Codec, select the codec that you want to use for the capture. When
capturing to an .m2v file, the codec is set to
Matrox MPEG-2 IBP.
$ Matrox 8-bit Uncompressed Captures video to 8-bit uncompressed
format.
$ Matrox 10-bit Uncompressed Captures video to 10-bit
uncompressed format.
$ Matrox MPEG-2 I-frame Captures video to MPEG-2 intra-frame
format using the 4:2:2 Profile @ Main Level at a selected data rate (SD
resolution only).
$ Matrox MPEG-2 I-frame HD Captures video to MPEG-2 intra-frame
format using the 4:2:2 Profile @ High Level at a selected data rate (HD
resolution only).
12 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” on page 80 or “Selecting your
MPEG-2 IBP settings” on page 82. Once you’ve configured your settings,
click
OK to return to the Matrox Capture Settings dialog box.
13 Under Aspect Ratio Conversion, specify the type of aspect ratio
conversion that you want to be applied to your captured video (used when
upscaling or downscaling video during capture only):