Adobe Premiere Pro CC v.7.xx - Manual (Page 322)

Creating and playing clips
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Source clips, clip instances, subclips, and duplicate clips
Duplicate a clip
Creating subclips
Play back a clip in the Project panel
In Premiere Pro, you create clips by importing files, duplicating clips, or making subclips. You create a clip instance by using a clip in a sequence.
Source clips, clip instances, subclips, and duplicate clips
In Premiere Pro, a clip points to a source file. Trimming a clip, or editing it in any way, does not affect the source file. For example, if you import a
30-minute file into Premiere Pro, you create a 30-minute clip that points to that source file. If you trim the clip to a five-minute duration, the 30-
minute source file remains on your hard disk, but the clip refers only to a five-minute section of it. Premiere Pro stores information about clips in
clip metadata fields in project files, but stores information about source files in XMP metadata fields.
You can trim source clips, clip instances, subclips, or duplicate clips. You can trim all types of clips in sequences in much the same way. The clip
types differ in the following ways:
Source (master) clip
The clip originally imported into the Project panel. It is listed in the Project panel only once by default. If you delete a source clip from the Project
panel, all of its instances are also deleted.
Clip instance
A dependent reference to a source clip, used in a sequence. Each time you add a clip to a sequence, you create another instance of the clip. A
clip instance uses the name and source file reference used by its source clip. While clip instances are not listed in the Project panel, they are
differentiated in the Source Monitor menu if you open instances there. The Source Monitor menu lists instances by name, sequence name, and In
point.
Subclip
A section of a master clip that references the master clip’s media file. Use subclips to reference discreet sections of long master clips. (See
Creating subclips .)
Duplicate clip
An independent copy of a source clip, which you create manually using the Edit > Duplicate command. You can also create a duplicate clip by
importing the same file more than once. Unlike a clip instance, a duplicate clip maintains its own reference to the original clip’s source file on disk
and exists as an additional clip in the Project panel. Premiere Pro does not delete a duplicate clip when you delete its original from the Project
panel. Master and duplicate clips can be renamed independently.
Franklin McMahon explains how to use subclips in this video from Layers Magazine.
For more details, see Andrew Devis’ tutorial, “Subclips: What? Why? How?”
See also Andrew Devis’ tutorials, “Understanding the Source Panel tools.”
Duplicate a clip
1. In the Project panel, select a clip, and choose Edit > Duplicate.
2. To rename the duplicate clip, select it, choose Clip > Rename, and type a new name for the clip.
You can also create a duplicate clip by copying and pasting it in the Project panel (or its folders), by Ctrl-dragging (Windows) or
Command-dragging (Mac OS) a clip in the Project panel.
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