1. How to edit sound files By Hai Yang

2. You can use any sound file edit program to edit sound files, here is a example of using Microsoft Moviemaker to edit sound files.

3. Open Microsoft Moviemaker, you will see the interface of this program.

4. Download the sound clip and save it. For example, you have download a sound clip named intro01.wma and saved it in your desired folder. This is your original sound clip

5. Import it to Moviemaker collection.

6. You will see the sound clip is in here.

7. Then drag it to the indicated place.

8. You will see the sound clip is in the timeline. For easier editing, you can enlarge it by click the red circled button.

9. Place the mouse in the right position in the timeline and click Clip>Split, then place the mouse in another position and repeat the action. After that, just delete the sentence and keep the space in the timeline and click Save Movie File.