You're on your way to becoming a big-time movie maker, but first you need to learn how to add audio effects to your movies. If you are using an Apple computer, you have a program to help you edit your videos -- iMovie. Part of the iLife suite, iMovie '11 includes easy-to-incorporate audio effects. Specifically, iMovie '11 allows you to "pitch up" the native audio on a recording to make a voice sound like the chipmunks from "Alvin & the Chipmunks."
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Place your cursor over the clip, within the movie project, that you would like to add an audio effect to.
Click on the blue box with a gear symbol that appears in the lower corner at the beginning of the clip. Your cursor must be hovering over the clip (and not the project background or other element) in order for the blue box to appear.
Select "Clip Adjustments" from the drop-down menu.
Open the Inspector
Click on the button to the right of the heading "Audio Effects." This opens the audio effect menu in the same pop-up screen.
Hover your cursor over any of the different effects to preview how the effect would sound on the selected clip.
Select any of the "pitch up" options to create a "chipmunk voice." The amount of pitch change depends on your personal preferences. Click on the option of your choice to save the audio effect setting.
Exit the inspector by clicking "Done" in the lower right corner. Continue editing your project as needed, or share your project if complete.
Add the Audio Effect
Tips and warnings
- If you are using multiple clips and you want the chipmunk effect on all, be sure to repeat the directions on all individual clips.
- These instructions apply specifically to iMovie '11. Instructions differ for earlier versions of the software.
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