Matrox MXO2 Installation And User Manual page 233

Configure
$
that you want for your captured clips. The settings are the same as when
you export clips to Matrox MAX H.264 files as explained in
your Matrox MAX H.264 settings"
Frame Size
$
capturing to a Matrox .264 file, the available sizes are 1920 x 1080 and
1280 x 720
size, or select Custom if you want to enter a custom size. If you enter an
unsupported frame size, the closest supported frame size will be used.
Frame Rate
$
capturing to a Matrox .264 file, an appropriate frame rate is automatically
set based on your selected frame size and the frame rate of your source
video. When capturing to a Matrox .mp4 file, you can select a frame rate
from the list of compatible frame rates. For example, if your source video
is 29.97 fps, you can set the frame rate for your captured video to 14.98,
29.97, or 59.94. Frame rates of 50 and 59.94, however, are supported only
when the frame size is set to 1280×720.
¦ Note When capturing to a 1440 ×1080 or 1920 ×1080 progressive video
format, the highest supported frame rate is 29.97 fps. The specified frame size
and frame rate determine the H.264 levels available for your encoded video.
For details on the maximum frame size and frame rate supported for each
H.264 level, see
Scan Mode
$
( Interlaced or Progressive ). When capturing to a Matrox .mp4 file, the
scan mode is set to Progressive .
Aspect Ratio
$
capturing to SD, you can select 4:3 to capture to the standard TV screen
format, or 16:9 to capture to the widescreen 16:9 format.
Aspect Ratio Conversion
$
have different aspect ratios, select the option that you want for the aspect
ratio conversion:
16x9 Letterbox
•
video by adding black bars at the top and bottom of the picture for
display on a standard 4:3 television screen.
4x3 Pillarbox
•
adding black bars at the left and right sides of the picture for display on
a widescreen 16:9 television screen. (This option is not available for
frame sizes smaller than 720 ×576.)
Anamorphic
•
compressed video (the aspect ratio of your source video is not
maintained).
Click this to select the Matrox MAX H.264 codec settings
Sets the width and height for your captured video. When
. When capturing to a Matrox .mp4 file, you can select a frame
Sets the frame rate for your captured video. When
"Specifying your Matrox MAX H.264 settings"
Determines the scan mode of your captured video
This is set to 16:9 when capturing to HD. When
If your source video and captured video
Captures the widescreen 16:9 picture as letterbox
Captures the standard 4:3 picture as pillarbox video by
Captures the video as horizontally or vertically
Specifying your capture format settings
on page 200.
213
"Specifying
on page 200.