Adobe Premiere Pro CC v.7.xx - Manual (Page 372)

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Note:
3. Drag either end of the zoom scroll bar below the time ruler in the Source Monitor or Timeline panel.
Trim audio in sample view in a Timeline panel
1. In a Timeline panel menu, choose Show Audio Time Units. The time rulers in a Timeline panel and Program Monitor switch to a sample-
based scale.
2. If necessary, expand the audio track containing the clip you want to edit, click the Set Display Style button , and choose Show Waveform.
3. View the audio In point or Out point of the clip you want to edit in detail by dragging the zoom slider to the right.
4. Trim the clip by doing one of the following:
To adjust the In point, position the pointer over the left edge of the clip’s audio so that the trim head tool appears, and drag left or
right.
To adjust the Out point, position the pointer over the right edge of the clip’s audio so that the trim tail icon appears, and drag left or
right.
5. Use the waveform display or play the audio to make sure that you adjusted the In and Out points properly.
Link and unlink video and audio clips
In the Project panel, clips that contain both video and audio appear as a single item, represented by . When you add the clip to the sequence,
however, the video and audio appear as two objects, each in its appropriate track (provided you specified both the video and audio sources when
adding the clip).
The video and audio portions of the clip are linked so that when you drag the video portion in a Timeline panel, the linked audio moves with it, and
vice versa. For this reason, the audio/video pair is called a linked clip. In a Timeline panel, each part of the linked clip is labeled with the same clip
name, which is underlined. The video is marked [V] and the audio is marked [A].
Ordinarily, all editing functions act on both parts of a linked clip. When you want to work with the audio and video individually, you can unlink them.
When you do, you can use the video and audio as though they were not linked; even the clip names no longer appear underlined or bear the [V]
and [A] labels. Even so, Premiere Pro keeps track of the link. If you relink the clips, they indicate whether they have been moved out of sync, and
by how much. You can have Premiere Pro automatically resynchronize the clips.
You can also create a link between previously unlinked clips. This is particularly useful if you need to synchronize video and audio that were
recorded separately.
You can link video only to audio—you cannot link a video clip to another video clip. You can link a video clip to multiple audio clips, or
multiple audio clips together.
Here is a video tutorial from Andrew Devis on unlinking audio & video to edit them separately (J & L cuts).
For more information about linking and unlinking clips, see this excerpt from An Editor's Guide to Premiere Pro by Richard Harrington, Robbie
Carman and Jeff Greenberg.
Link or unlink video and audio
1. Do the following in a Timeline:
To link video and audio, Shift-click a video and audio clip, or a series of audio clips to select them, and then choose Clip > Link.
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