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Chapter 4. Editing Source Clips > Using Audio-Clip Windows

Using Audio-Clip Windows

The clip window for audio contains several unique features. Audio-clip windows display the audio as a waveform—a kind of graph of the audio's power over time. Often, you can identify particular sounds simply by examining the audio waveform. Powerful beats in a song are depicted as spikes in the waveform, for example, and pauses between lines of dialogue appear as lines. In addition, a vertical line indicates the current frame of the audio—the position of the playback head, if you will. You can cue the position of the playback line instantly simply by clicking the waveform area of the audio-clip window. The audio-clip window also displays edit marks; the in point, out point, and markers all appear in the waveform as flagged edit lines. (For more information about editing marks, see "Setting Edit Marks" later in this chapter.)

To change the audio waveform:

  • Click the waveform button to display a more expanded or condensed view of the waveform (Figure 4.26):

    Figure 4.26. The audio-clip window includes a button to toggle the waveform display between views.


    displays the most expanded view of the audio waveform (Figure 4.27).

    Figure 4.27. The most expanded view of the audio clip shows more detail in the waveform.


    displays a moderately expanded view of the audio waveform.

    displays a moderately condensed view of the audio waveform.

    displays the most condensed view of the audio waveform (Figure 4.28).

    Figure 4.28. The most condensed view of the audio clip shows less detail but more of the waveform.


    The setting doesn't change the audio in any way, just your view of the audio waveform.

To cue the playback line in the audio-clip window:

  • Click the point in the audio waveform where you want to cue the current time (Figure 4.29).

    Figure 4.29. You can cue the current time of the audio clip by clicking the waveform area. A vertical line indicates the current time.


    If the audio is currently playing back, the audio instantly begins playing from the point you clicked.

To view more of the audio waveform:

  • Drag the resize box in the corner of the audio-clip window to increase the size of the window (Figure 4.30).

    Figure 4.30. You can drag the resize box of the audio window to see more of the audio waveform.


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