
ADOBE PREMIERE PRO CS3
User Guide
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changed. The Uncompressed 10-bit (4:2:2 YUV) and Uncompressed 8-bit (4:2:2 YUV) file formats match the speci-
fications for SD-SDI and HD_SDI video respectively. Select one of them if you intend to monitor or output to one
of these formats.
Note: If you use a clip in your video program without applying effects or changing frame or time characteristics, Adobe
Premiere Pro uses the clip’s original codec for playback. If you make changes that require recalculation of each frame,
Adobe Premiere Pro applies the codec that you choose here.
Optimize Stills Uses still images efficiently in sequences. For example, if a still image has a duration of 2 seconds in
a project set to 30 fps, Adobe Premiere Pro creates one 2-second frame instead of 60 frames at 1/30 of a second each.
Deselect this option if sequences exhibit playback problems when displaying still images.
Save and name your project settings even if you plan to use them in only one project. Saving settings creates a
backup copy of the settings in case someone accidentally alters the current project settings.
Change the Auto Save settings
By default Adobe Premiere Pro automatically saves your project every 20 minutes and retains the last five versions
of the project file on the hard disk. You can revert to a previously saved version at any time. Archiving many itera-
tions of a project consumes relatively little disk space because project files are much smaller than source video files.
It’s usually best to save project files to the same drive as your application. Archived files are saved in the Adobe
Premiere Pro Auto-Save folder.
1 Choose Edit > Preferences > Auto Save (Windows) or Premiere Pro > Preferences > Auto Save (Mac OS).
2 Do any of the following, and then click OK:
• Select Automatically Save Projects, and type the number of minutes between saves.
• For Maximum Project Versions, enter the number of versions of a project file you want to save. For example, if
you type 10, Adobe Premiere Pro saves the ten most recent versions.
Create a project with uncompressed video playback (Windows only)
For the highest quality previews of sequences on an SDI card or device connected to an external monitor, you should
use one of the uncompressed formats for preview files. Uncompressed 8-bit (4:2:2 YUV) is particularly suitable for
projects meant for SD output, while Uncompressed 10-bit (4:2:2 YUV) is best for projects meant for HD.
Additionally, with Uncompressed 10-bit (4:2:2 YUV) and high bit-depth color rendering Adobe Premiere Pro will
make use of the color information in 10-bit assets and will upsample other assets in a sequence to generate 10-bit
preview files. Adobe Premiere Pro delivers the best preview performance when using these preview file formats on
a system with a supported SD-SDI or HD-SDI card installed.
Both these uncompressed formats do subsample video files at 4:2:2 YUV, but unlike the other file formats available
for preview files, they do not then run the video data through a compressor. They are called uncompressed because
they do not add this second layer of compression, and thereby retain much higher color depth in the previews than
the compressed formats. As a consequence, uncompressed preview files can be quite a bit larger than compressed
preview files.
1 Select File > New > Project.
2 In the New Project dialog box, click the Custom Settings tab.
3 Select General.
4 From the Editing Mode drop-down menu, choose Desktop.
5 Select Video Rendering.
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