---
title: audioSettings
framework: avfoundation
role: symbol
role_heading: Instance Property
path: avfoundation/avcaptureaudiofileoutput/audiosettings
---

# audioSettings

The settings used to decode or re-encode audio before it is output by the receiver.

## Declaration

```swift
var audioSettings: [String : Any]? { get set }
```

## Discussion

Discussion The value of this property is a dictionary containing values for audio settings keys defined in AVAudioSettings.h. If you set the value of this property to nil, the output vends samples in their device native format.

## See Also

### Configuring output

- [metadata](avfoundation/avcaptureaudiofileoutput/metadata.md)