Controlling audio playback in PowerPoint with triggers

6.6.1

Prepare step 1 before operation:

Click the Insert menu in the slide where you want to insert the audio, select the movies and Sounds command in its Drop-down menu, and choose the sound from File option in the next level of the menu, as shown in Figure 6-30:

Figure 6-30

In the Insert Sound dialog box, locate the audio file you want to insert, select, click OK,

Figure 6-31 The Insert Sound dialog box

Step 2:

When you import an audio file, open the Play Sound Query dialog box for Microsoft Office poerpoint:

Figure 6-32 Playing the Sound Query dialog box

We select the "when clicked" Command, right click on the small horn sound icon,

Figure 6.33

Step 3:

When you view custom animation, you see the following screen:

Figure 6.34

When you play the PPT, click Audio to play, click Stop, and then click Audio to play ... This is not in line with our requirements. For better control of playback it is more convenient to have obvious control buttons.

6.6.2

Audio control

Step 1

We draw three buttons, inserting the text as play, pause, and stop.

Figure 6.35

We just need these three buttons to help us complete the task of controlling the audio control:

Step 2

Select audio, "Custom Animation", found that there are only four options, now is five items, one more "voice operation":

Figure 6.36

This is what we use here to set up.

Step 3

Playback settings: Select audio, "Custom Animation",

Sound action, select Play.

Figure 6.37

As shown in the image above, click on the rear triangle.

Figure 6.38

Select timing to display the following screen: Click Triggers, and in the Drop-down box to the right of "start effects when clicked on" Click the Trigger object to select "Group 2 (that is, play button)", and clicking OK.

Figure 6.39

Step 4

Paused settings:

Select audio, custom animation, sound actions, and select Stop.

Figure 6.40

Figure 6.41

The following triangle appears as shown in the picture below,

Figure 6.42

Select "Timing", the following screen appears:

Figure 6.43

Point trigger, select the Trigger Object Selection "Group 10 (that is, pause button)" and "OK" in the Drop-down box on the right side of "start effect when clicking on the following objects".

Step 5

Settings to stop

Go back to Custom animation and see the following screen: Select Stop in Sound action:

Figure 6.44

The following screen appears:

Figure 6.45

As shown in the image below, the following triangle appears,

Figure 6.46

Select the timing option, click the Drop-down box on the right side of "start effect when clicking the following objects" to select the Trigger object Select "Group 18 (that is, stop button)" to determine.

Figure 6.47

With the above settings, we can control the playback of audio files by clicking on the three buttons when we show those slides with audio on the slide. Click the Play button, play it, click the Pause button, stop, pause, and then play, click the Stop button and stop playing.