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Adobe Premiere Pro Help
Working with Projects
Using Help
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Contents
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Index
Back
58
Default Sequence
Control the number of video tracks and the number and type of audio
tracks for new sequences you create. See
“About audio channels and tracks” on page 173
.
Note:
If you must change project settings that are unavailable, you can create a new
project with the settings you want and import the current project into it. However, if you
import the current project into a project with a different frame rate of audio sampling rate,
check video and audio edits carefully. While edit positions made under the old settings are
preserved, they may not synchronize precisely with the new settings. Edits or changes you
make after importing are synchronized with the new settings.
Specifying General settings
General settings should be set to match the specifications of the most significant source
media in your project (for example, if most of your footage is DV, use the DV Playback
editing mode). Changing these settings arbitrarily may result in a loss of quality. Choose
Project > Project Settings > General and specify the following options:
Editing Mode
Determines which video method is used to play back sequences and
which compression methods appear in the Video Settings panel. The DV Playback and
Video For Windows editing modes are installed by default, and the DV Playback editing
mode is selected by default. Use the DV mode if you’re working with DV source media; the
Video For Windows editing mode can be useful for projects based on analog video or a
square-pixel aspect ratio. Manufacturers of video-capture cards or other video hardware
may provide plug-in software that adds editing modes for maximum quality and compati-
bility with their hardware. If the DV Playback editing mode is selected, some video preview
settings can’t be changed because they must remain consistent with the DV standard.
Note:
The Editing Mode setting should represent the specifications of the source media,
not the final output settings. Specify output settings when you export; see
“Exporting
video as a file” on page 296
.
Timebase
Specifies the time divisions Adobe Premiere Pro uses to calculate the time
position of each edit. In general, choose 24 for editing motion-picture film, 25 for editing
PAL (European standard) and SECAM video, and 29.97 for editing NTSC (North American
standard) video. Do not confuse timebase with the
frame rate
of the video you play back or
export from sequences, although timebase and frame rate often use the same value.
Playback Settings
This button is available when you use a DV preset, choose the DV
Playback editing mode, or install a plug-in that provides additional playback functions.
When you use the DV Playback editing mode, use this option to indicate where you want
your previews to play back: on your DV camcorder (or other connected device) or on your
desktop. For information on the playback settings available for third-party plug-ins, see
the documentation provided by the manufacturer of the plug-in.
Frame Size
Specifies the dimensions, in pixels, for frames when you play back sequences.
In most cases, the frame size for your project should match the frame size of your source
media. Don’t change the frame size in order to compensate for slow playback—instead,
adjust playback resolution by choosing a different Quality setting from the Project
window menu, or adjust the frame size of final output by changing Export settings.
Pixel Aspect Ratio
Sets the aspect ratio for individual pixels. Choose Square Pixels for
analog video, scanned images, and computer-generated graphics, or choose the format
used by your source media. If you use a pixel aspect ratio that is different from your video,
the video may play back and render with distortion. For more information, see
“About
aspect ratios” on page 98
.
