Difficulty: Moderately Challenging
Step1
Open the Audacity program.
Step2
Go to Project > Import Audio and import the audio file you intend to use in the overall project. This will probably be the main voice audio file. You could also do this with a music intro file and maybe some general sound effects audio files.
Step3
Play the audio file by clicking on the "Play" button on the toolbar to listen for errors.
Step4
Stop the playback at the first error, noting the point on the waveform track.
Step5
Play only that part a few times over until you are familiar with the exact bit that you want to erase (assuming it is an awkward pause, or a piece of unwanted noise).
Step6
Highlight the bit to be removed by left-clicking with the mouse and holding on the start point (the furthest left point) and dragging the cursor across to the right to cover the area you want to remove.
Step7
Press the "Delete" key on your keyboard when you are satisfied that the highlighted area is indeed the part you want to remove.
Step8
Click on any part of the waveform track where the end of one sentence and the beginning of the next are too close together without a suitable pause.
Step9
Go to Generate > Silence and enter a suitable value in the box that comes up. The value will be in seconds. In about half a second, or 0.500000, there should be enough to create a natural pause between sentences that run together.
Step10
Click on "Generate Silence" to create the silent pause desired.