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Discover how to integrate and enhance video and audio to create a more engaging PowerPoint presentation. In this course, author Alicia Katz Pollock emphasizes the technical details necessary to make a multimedia presentation work: from working with appropriate file formats, to applying video styles, to reducing the file size of multimedia presentations for sharing.
If you'd like a sound to repeat itself until you manually stop it, use the Loop Until Stopped feature. That way it will keep playing indefinitely until you click your mouse again. I have a music clip on my title slide that I want to play when my audience is getting seated. Normally, I might have a full song here set to repeat itself until my presentation starts, but I'm just using a very short clip to make the loop effect obvious. Click on your audio clip to select it. Then go up to the Sound Tools > Options tab. On the left are a series of sound options.
Find the one that says Loop Until Stopped and click the check mark in front of it. Now when I play my slide show, as soon as the sound clip reaches the end, it starts over. (music playing) To advance to the next slide, just click your mouse, and the sound ends. Now I will press Escape. I will go back to slide 1 and click on my speaker again.
There are two more locations where you can access this setting to loop the clip indefinitely. Go back to Sound Tools > Options again, and notice the Launcher button in the button-right corner of the Sound Options group? If I click on it, I get a little dialog box, and the first option does say Loop Until Stopped. The check mark in it is on automatically because I already set it up here on the Ribbon. I'll click OK to close it. The second location is found within the Animation settings. I will click on the Animations tab, and I will turn on the Custom Animation pane by clicking this button.
In the pane that opens up on the right, click on the dropdown arrow to the right of our sound. Choose Timing. In the dialog box that appears, click on the dropdown next to Repeat. Right now, because we've already set the clip to loop, it says Until Next Click. Here you can loop the audio a specific number of times, instead of leaving it to play indefinitely. You can set it to play two, three, four, even ten times in a row, and then it will stop automatically.
If I change this to Until Next Slide, when I'm playing the slide show, I can click my mouse to advance my bullets and my loop will end when it's time to advance to the next slide. I am going to set this to loop three times, and I will click OK. Now when I play my slide show you will hear my sound loop three times. (music playing) Now when I click my mouse, I will go on to my next slide.
Setting these options when looping your audio clip allows you to play a sound repeatedly while you remain on one slide. Being able to specify the number of loops or when to make them stop makes this feature that much more powerful.
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