You can add silence to the end of the waveform to extend the timeline. The time added is always at the end of the waveform regardless of what is selected. The silence added is designated in minutes and seconds. 


To add silence to the end of a frame:

  1. On the Options drop-down list, choose Modify length or amplitude Extend Timeline.
     
  2. Select the amount of silence to be added using the spinbox control.
     
  3. Click OK.

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