***
id: cbaab5e9-9ff0-43ad-be16-e946a686c071
title: denoise
slug: /reference/denoise
description: Start noise reduction.
max-toc-depth: 3
----------------
Start noise reduction. You can stop it at any time using [`stop_denoise`](/docs/swml/reference/stop-denoise).
An empty object that accepts no parameters.
## **Variables**
Set by the method:
* **denoise\_result:** (out) `on` | `failed`
## **Examples**
### Start denoise
```yaml
version: 1.0.0
sections:
main:
- answer: {}
- denoise: {}
- play:
url: 'say: Denoising ${denoise_result}'
```
```json
{
"version": "1.0.0",
"sections": {
"main": [
{
"answer": {}
},
{
"denoise": {}
},
{
"play": {
"url": "say: Denoising ${denoise_result}"
}
}
]
}
}
```