Add silence allows you to add a user specified amount of silence at the point selected in the waveform. If a selection point is made in the waveform, the Add Silence dialog opens allowing you to specify the amount of time (in minutes and seconds) of silence to be added at that point. If a piece of sound is selected in the waveform, silence replaces that piece of sound. If no selection point is made, silence is added at the beginning of the waveform.
To add silence at a selected point:
To add silence over a selected piece of sound: