How to add ambient sound to a D&D game
What to play, when to play it, and how to keep it from becoming a distraction.
Start with one sound, not ten
The commonest mistake is a wall of noise. Begin with a single looping bed that matches the place — cave wind, rain, a tavern crowd — at a volume where a player can still talk across the table without raising their voice. If anyone asks you to turn it down, it was already too loud.
Add the occasional sound that makes it alive
A loop alone flattens out after a minute because your ear stops hearing it. What keeps a place alive is the thing that happens now and then: a drip, a distant door, a crow. In Thaumaturgy those are random layers, fired on a cadence with a randomness dial so they never fall into a pattern. Two is usually plenty.
Push the background further back
Anything that is supposed to be elsewhere — a crowd downstairs, fighting in the next street — wants the Distance dial up. Distance makes a sound quieter, duller and wider at once, which is what your ear actually uses to judge how far away something is. It is the single most useful dial in the app.
Keep effects separate from ambience
Ambience runs by itself; effects are things you press. Keep them on boards — big labelled buttons for a sword, a door, a scream — so that in the moment you are hitting one button, not hunting a filename.
Save the scene before the session, not during
Set up the places you expect to visit ahead of time and save each as a chapter. At the table you are then one tap from the whole scene, environment and boards together, instead of building anything live.
Know how to stop everything
Have one control that kills all sound instantly and know where it is without looking. Someone will take a phone call, or a scene will turn serious, and fumbling for the volume is worse than silence.
How loud should it be?
Quieter than you think. Ambience is working when players stop noticing it and start describing the room back to you. A useful test: read a sentence of boxed text aloud at your normal voice. If you find yourself projecting over the sound, it is too loud.
When to use nothing at all
Silence is a tool. Cutting the sound dead the moment something goes wrong is more dramatic than any sting you could play, and a quiet table makes the next scene's ambience land harder. Do not feel you have to fill every minute.
Next
Ready? Open Thaumaturgy — it is free, and there is nothing to install.