The Shaggy Dev | Creating volume sliders in Godot 4 @TheShaggyDev | Uploaded May 2023 | Updated October 2024, 33 minutes ago.
Here's the right way to let the user adjust the volume of different types of audio in your game.

Sample project: github.com/theshaggydev/the-shaggy-dev-projects/tree/main/projects/godot-4/volume-sliders

Text version: shaggydev.com/2023/05/22/volume-sliders

Further reading
- docs.godotengine.org/en/stable/tutorials/audio/audio_buses.html

- docs.godotengine.org/en/stable/classes/class_%40globalscope.html#class-globalscope-method-linear-to-db