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# Audio.DistanceAttenuation

The different ways that audio intensity diminishes as the distance between the listener and the sound source increases.

```
enum DistanceAttenuation
```

## Topics

### Enumeration Cases

[`case rolloff(factor: Double)`](/documentation/RealityKit/Audio/DistanceAttenuation/rolloff(factor:))

A standard geometric model for attenuating audio intensity naturally with distance, using a specified loss strength factor.

### Type Properties

[`static let `default`: Audio.DistanceAttenuation`](/documentation/RealityKit/Audio/DistanceAttenuation/default)

The default distance attenuation, which uses a rolloff model that mimics real-world physics.

## Relationships

### Conforms To

[`Hashable`](/documentation/Swift/Hashable)

[`Encodable`](/documentation/Swift/Encodable)

[`Equatable`](/documentation/Swift/Equatable)

[`Decodable`](/documentation/Swift/Decodable)

[`Copyable`](/documentation/Swift/Copyable)

[`Escapable`](/documentation/Swift/Escapable)

---

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