Aug 4, 2010
Add Transition Sounds to PowerPoint Slides
PowerPoint allows you to add sounds to a presentation by embedding the sound directly into the slide. However, you can also add sounds to a slide that play only when the presentation transitions to the slide. By adding a sound to a slide, you can make your presentation more appealing and also make it more obvious to an audience that the slide has changed

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Add Transition Sounds to PowerPoint Slides