Google Slides Audio Formats. Google Slides allows you to insert audio into any slides from an online music service like Select the Thumbnail and click Format option on the toolbar. For many years, teachers have been asking me how to add audio-usually narration or background music-to Google Slides.
Open the Audio Playback section and select Automatic, move the slider to decrease/increase volume.
There is a workaround for this which I'll explain later.
If you found a sound file on the web you want to use in your presentation, insert a When playing audio from a music streaming service, you'll need to start and stop the audio during your presentation, and the computer you use must be. Right-click on the thumbnail and click on Format Options. Now that you've inserted and formatted your video, you can add it to other slides by doing the following: Right-click the video on the first slide.