Google Slides Add Sound Effects. For many years, teachers have been asking me how to add audio-usually narration or background music-to Google Slides. Insert audio and other sounds into Google Slides from a streaming service, a YouTube video, or a sound file you Capture audience attention with sound effects and voice clips.
While Google Slides is pretty basic, you can extend its functionality with add-ons.
If you don't see it, it means this feature hasn't rolled out to your domain yet.
Re-open the Google Docs/Slides document you are working on, and re-open the add-on (Add-ons > Flat > Insert musical snippets), then autorize the. Click on the app listed, then choose "Remove access". You can make awesome animated PowerPoint templates and presentations but PowerPoint let You can choose between a preset of sound effects to choose every time you move to the next slide.