This dialog allows you to cut a sound file.
The progress bar
- Displays as follows:
- The wave form of the sound is displayed under a white background.
- The ruler representing the duration of the sound file is dispayed under a black background. Remark than the length of the ruler is increased in proportion to the duration of the sound file.
- The blue part, on wave form and ruler, represents the part of the sound file which is selected (which will be used in the assembly).
This button starts playback. Click again on this button to pause. 
- You can move with the mouse the
handle, on the progress bar, to move the current position
- You can move with the mouse the two
and
handles, on the progress bar, to move the Start and End positions
The working range
Positions the cursor at the starting point
Uses the current cursor position as starting point (carries out an edit)
Positions the cursor at the end point
Uses the current cursor position as end point (carries out an edit)