From the developer: "Create your own sound effects with this fun program! Record your voice or other audio, change the pitch, turn the sound backwards, or add any one of more than a dozen other effects. Comes with three free sound effects. You can combine effects and save the files you create in .WAV, MP3, or Real Audio format. Double the effectiveness of your presentations by adding Audio Power! All Blaze Audio products come with free upgrades for life for the purchased version!"