A pan curve allows you to vary the volume in the individual channels over the length of the track. For example, for stereo you can initially make the left channel louder than the right channel, thereby simulating a movement.      
To create a pan curve, proceed as follows:
1.
Select the track for which you want to change the volume distribution.
2.
Click the Tracks > Add Pan Curve entry in the menu bar.
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The pan curves are displayed in the track. On the left border of the track a percentage scale from 0 to 100 is displayed for the volume. The starting point of the curve is at 0, which represents consistent volume allocation.
3.
Move the starting point of the curve, i.e. the square box in the left corner, to the desired initial distribution.
4.
Click the volume curve at the location for which you want to change the volume distribution and move the square box up or down.
5.
Repeat the previous step until you have specified all desired points of the pan curve.
6.
If you want to delete a specific curve point, right-click the curve point and select the Remove Curve Point entry in the displayed context menu.   
7.
If you want to define the settings for a curve point more precisely:   
1.
Right-click the curve point and select the Edit Curve Point entry in the displayed context menu.
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The Edit Curve Point window is opened.
2.
Enter the desired position of the curve point in the Min. and Sec. input fields In the Time Line Position area.
3.
Enter the desired pan in percent in the Pan text box in the Value area.
4.
Click the OK button.
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You have created a pan curve and added it to the track.


Creating a Pan Curve