---
title: distanceAttenuationModel
framework: avfaudio
role: symbol
role_heading: Instance Property
path: avfaudio/avaudioenvironmentdistanceattenuationparameters/distanceattenuationmodel
---

# distanceAttenuationModel

The distance attenuation model that describes the drop-off in gain as the source moves away from the listener.

## Declaration

```swift
var distanceAttenuationModel: AVAudioEnvironmentDistanceAttenuationModel { get set }
```

## Discussion

Discussion The default value is the AVAudioEnvironmentDistanceAttenuationModel.inverse attenuation model.

## See Also

### Getting and Setting the Attenuation Model

- [AVAudioEnvironmentDistanceAttenuationModel](avfaudio/avaudioenvironmentdistanceattenuationmodel.md)