# AudioSettings.AudioConfigurationChangeHandler

> A delegate called whenever the global audio settings are changed, either by AudioSettings.Reset or by an external device change such as the OS control panel changing the sample rate or because the default output device was changed, for example when plugging in an HDMI monitor or a USB headset.

## Definition

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

```csharp
public delegate void AudioSettings.AudioConfigurationChangeHandler(bool deviceWasChanged)
```

## Remarks

See [AudioSettings.Reset](/engine/6000.5/script-reference/unityengine/audiosettings/reset.md) for an example.