The specific steps to stop the PPT background music on a certain page are as follows:

1. Insert the audio file

2. Select the audio file and click the Animation tab - -Add animation--choose to play.

3. Then click on the animation pane, as shown below, select the animation, click on the inverted triangle arrow behind the red box, and select: Effect Options

4. In the pop-up audio dialogue box, set there to stop playback. .