You have a 5-minute video or audio clip playing on your slide. And exactly after the clip has played for 30 seconds, you want some text to appear superimposed over the video clip. Alternatively, you may want to show other objects on the slide while your audio clip is playing. All
this while, the original audio or video clip should continue playing. How do you achieve this result?
It might seem difficult, but you can end up with these results quite easily using the Trigger Animation option. These Trigger animations typically happen as a result of a click on some other slide object. But in
PowerPoint 2013 and later versions, you can now cause Trigger animations to also
happen on media playback through a Bookmark.
Follow these steps to learn more. While we have used a video clip in this walkthrough, you can achieve the same results with an audio
clip:
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Select the video clip on your slide, or if you want to start from the beginning, launch
PowerPoint 2016. Within the
Presentation Gallery that shows up by default,
select the Blank Presentation or any other Template / Theme. This opens
up a new presentation with a blank slide. Thereafter, optionally
change the slide layout to Blank,
insert a video clip and select it.
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Then, add a Bookmark to the selected video clip as
required. In Figure 1 below, you can see that we have selected a video that already has a Bookmark added (notice the
yellow dot in the Player bar below the video clip). Additionally, the slide also has a Text Box, containing the words
"Starry Night Sky". This has been placed over the video clip. Do note that no animation has been added to this Text Box yet.
Figure 1: A slide with a video clip and a Text Box
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Now, you can optionally select the video clip. Then click the Video Tools Playback tab of the
Ribbon, and select the Automatically option
within the Start drop-down list, as shown highlighted in red within
Figure 2. This will ensure that your video starts playing as soon as you play the slide.
Figure 2: Play your video clip automatically
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Now, select the Text Box, and
add an animation. We added
Swivel, an Entrance
animation to this Text Box (see Figure 3).
Figure 3: Text box selected and animated
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Now locate the Advanced Animation group within the Animation tab of the Ribbon, and
click the Trigger button to bring up a menu as shown highlighted in red within
Figure 4, below. Choose the On Bookmark | Bookmark 1 option (highlighted in
blue within Figure 4), to make the selected Text Box animate while the video is playing
through Bookmark 1. If you have more than one Bookmark, you can choose any Bookmark you want.

Figure 4: Trigger animation set to happen
Note: Do you have several Bookmarks in your video or audio clip? You can make different Trigger animations happen via
these multiple Bookmarks!
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Save your presentation and play it. You can see the wheel animation on the Text Box when the bookmarked point in the video is playing, as
shown in Figure 5.

Figure 5: Text Box animating at bookmark point
See Also:
Animating Slide Objects While Media is
Playing in PowerPoint 2013 for Windows
Animating Slide Objects While Media is Playing
in PowerPoint 2010 for Windows