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# audioListener

The entity that defines the listener position and orientation for
spatial audio.

```
@MainActor @preconcurrency var audioListener: Entity? { get set }
```

## Discussion

Set the [`audioListener`](/documentation/RealityKit/ARView/audioListener) to the entity in the scene from whose
point of view RealityKit should render spatial audio.

By default, the property is set to `nil`, in which case the active
camera acts as the audio listener. This is usually what you want,
because the camera typically mirrors the user’s point of view.

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