Adobe 65021048 User Manual page 427

that you prepared and saved previously. You can load color palettes in the ACO (Photoshop color swatch), ACT
(Photoshop color palette), or PAL (Windows palette—Windows only) format.
Note: With the QuickTime file type, you can attach a 256-color palette to a movie of any bit depth. You can specify a
palette for 24-bit movies to use when displaying on 8-bit monitors, and you can prevent palette "flashing" by attaching
the same palette to many movies. Video for Windows supports attaching a palette only to an 8-bit movie.
Specify the dimensions, in pixels, for video frames you export. Select 4:3 Aspect to constrain the frame
Frame Size
size to the 4:3 aspect ratio used by conventional television. Some codecs support specific frame sizes. Increasing the
frame size displays more detail but uses more disk space and requires more processing during playback.
Choose the number of frames per second for video you export. Some codecs support a specific set of
Frame Rate
frame rates. Increasing the frame rate may produce smoother motion (depending on the original frame rates of the
source clips) but uses more disk space.
Choose a pixel aspect ratio that matches the output type. When the pixel aspect ratio (displayed
Pixel Aspect Ratio
in parentheses) doesn't match 1.0, the output type uses rectangular pixels. Because computers generally display
pixels as squares, content using nonsquare pixel aspect ratios appear stretched when viewed on a computer but
appear with the correct proportions when viewed on a video monitor. (See
page 30.)
If available, drag the slider or type a value to affect the exported video's picture quality and, consequently,
Quality
its file size. If you are using the same codec to capture and export, and you've rendered previews of a sequence, you
can save rendering time by matching the export quality setting with your original capture quality setting. Increasing
quality above the original capture quality does not increase quality, but may result in longer rendering times.
Select (if available for the selected compressor) and type a data rate to place an upper
Limit Data Rate to _ K/Sec
limit on the amount of video data produced by the exported video when it is played back.
Note: In some codecs, quality and data rate are interrelated, so that adjusting one option automatically alters the
other.
Select to ensure that Adobe Premiere Pro exports a video file that is under the data rate you specified.
Recompress
Choose Always from the Recompress menu to compress every frame, even if it is already within the data rate, or
choose Maintain Data Rate to preserve quality by compressing only the frames that are above the specified data rate.
Recompressing previously compressed frames may lower picture quality. Deselect Recompress to prevent current
compression settings from being applied to clips that were not altered when you edited them into the program.
Note: Some capture card and plug-in software applications provide their own dialog boxes with specific options. If the
options you see are different than those described in this section, refer to the documentation for your capture card or
plug-in.
Keyframe And Rendering export settings
The following options are available in the Keyframe And Rendering panel of the Export Movie Settings dialog box
and the Export Frame Settings dialog box:
Allows user to override, for movie export, the project's bit depth settings. For more information about
Bit Depth
project bit depth settings, see Video Rendering Settings under
• Renders the movie at the bit depth set for the project.
Use Project Setting
• Renders the movie at 8 bpc, even if Maximum Bit Depth is selected for the project.
8-bit
• Renders the movie at maximum bit depth, up to 32 bpc, even if Maximum Bit Depth is not selected
Maximum
for the project.
"Common pixel aspect
"Adjust project settings and
April 1, 2008
ADOBE PREMIERE PRO CS3
User Guide
ratios" on
presets" on page 23.
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