# AudioRolloffMode

> Rolloff modes that a 3D sound can have in an audio source.

## Definition

* **Type:** Enum
* **Namespace:** [UnityEngine](/engine/6000.5/script-reference/unityengine.md)
* **Assembly:** UnityEngine.AudioModule

```csharp
public enum AudioRolloffMode
```

## Fields

| Value                                                                                      | Description                                                                      |
| ------------------------------------------------------------------------------------------ | -------------------------------------------------------------------------------- |
| [Custom](/engine/6000.5/script-reference/unityengine/audiorolloffmode/custom.md)           | Use this when you want to use a custom rolloff.                                  |
| [Linear](/engine/6000.5/script-reference/unityengine/audiorolloffmode/linear.md)           | Use this mode when you want to lower the volume of your sound over the distance. |
| [Logarithmic](/engine/6000.5/script-reference/unityengine/audiorolloffmode/logarithmic.md) | Use this mode when you want a real-world rolloff.                                |