# ADPCM

> Adaptive differential pulse-code modulation.

## Definition

* **Type:** Field
* **Namespace:** [UnityEngine](/engine/6000.7/script-reference/unityengine.md)
* **Assembly:** UnityEngine.AudioModule

```csharp
ADPCM = 2
```

### Remarks

This compression format is cheap to decode but contains additional noise artifacts over other compression types.