This function is used for replaying the words or phrases which are difficult to catch and understand. You can use this function where there are waveforms.

Please look at the following picture. The darker waveform zone is the Selected Waveform Zone.

Select a Waveform Zone

• Clicking a certain position in the waveform zone with left mouse button, and drag from left to right to a position you want. Release your mouse, then system will play this zone automatically.
  
  
• Clicking a certain position in the waveform zone with left mouse button, and drag from right to left to a position you want. Release your mouse, then system will play this zone automatically.

Expand Selected Waveform Zone
After you have chosen a waveform zone, if you want to expand Selected Waveform Zone, do the following:

• Clicking the Left Unselected Waveform Zone with the left mouse button can expand the Selected Waveform Zone leftwards. Or
  
  
• Clicking the Right Unselected Waveform Zone with the right mouse button can expand Selected Waveform Zone rightwards.

Shrink Selected Waveform Zone
After you have already chosen a waveform zone, if you want to contract the Selected Waveform Zone, do the following:

• Clicking the Selected Waveform Zone with the left mouse button can cut the Selected Waveform Zone from the left. Or
  
  
• Clicking the Selected Waveform Zone with the Right key of the mouse can cut the Selected Waveform Zone from the right.

Cancel Selected Waveform Zone

• Clicking the Right Unselected Waveform Zone with the left mouse button can cancel Selected Waveform Zone. Or
  
  
• Clicking the Left Unselected Waveform Zone with the right mouse button can cancel Selected Waveform Zone.

Skip to a certain position
If you would like to play from a certain position, please make sure there are no selected Waveform Zones, and then double click the position in the Waveform Zone you want to go to.