# Sound effects in dialogue

Source: https://lunafic.ai/docs/sfx-sounds | Published: 2026-09-22T06:06:21.964Z | Updated: 2026-11-08T13:49:49.462Z | Author: Lunafic Team | Tags: Story tools

> Slurps, knocks and heartbeats render in a handwritten style, and you can write them too.

Chat roleplay invented its own sound notation, a slurp, a knock, a heartbeat, written inside the dialogue line. It carries more scene than a paragraph of description. Lunafic gives these sounds their own look.

## How they look

A sound inside a line renders in a handwritten style, separate from the spoken words around it, like the sound words in a comic. The line stays one line.

## How the AI writes them

The AI adds sounds where a moment earns one, and they render the same way.

## How to write your own

Put the sound inside curly brackets with an s and a colon, like {s:slurp} or {s:Slurp. Squish. Slurp.}. The page shows it in the handwritten style. Asterisks make italics, which is a different thing.

## When they work

- Closeness. **The sounds of being near someone say what dialogue refuses to.**
- Comedy. **A well timed slurp is a punchline.**
- Tension. **The knock, the clock, the chair creak.**

Used sparingly they are seasoning. A sound works because the scene earned it.

---

Read this on Lunafic: https://lunafic.ai/docs/sfx-sounds
More from Lunafic: https://lunafic.ai/docs
What is Lunafic: https://lunafic.ai/ai-roleplay
AI characters you build stories with over long memories. You play as your character, the AI plays everyone else, and stories stay private by default.