---
title: audioMix
framework: avfoundation
role: symbol
role_heading: Instance Property
path: avfoundation/avplayeritem/audiomix
---

# audioMix

The audio mix parameters to be applied during playback.

## Declaration

```swift
@NSCopying var audioMix: AVAudioMix? { get set }
```

## Discussion

Discussion An audio mix can only be used with file-based media and is not supported for use with media served using HTTP Live Streaming.

## See Also

### Configuring audio

- [audioTimePitchAlgorithm](avfoundation/avplayeritem/audiotimepitchalgorithm.md)
- [allowedAudioSpatializationFormats](avfoundation/avplayeritem/allowedaudiospatializationformats.md)
- [AVAudioSpatializationFormats](avfoundation/avaudiospatializationformats.md)
- [isAudioSpatializationAllowed](avfoundation/avplayeritem/isaudiospatializationallowed.md)