---
title: AVAssetReaderAudioMixOutput
framework: avfoundation
role: symbol
role_heading: Class
path: avfoundation/avassetreaderaudiomixoutput
---

# AVAssetReaderAudioMixOutput

An object that reads audio samples that result from mixing audio from one or more tracks.

## Declaration

```swift
class AVAssetReaderAudioMixOutput
```

## Overview

Overview Read audio data that you mix from one or more asset tracks by adding an audio mix output to an asset reader. You can read the samples in their stored format or you can convert them to an alternative format.

## Topics

### Creating an audio mix output

- [init(audioTracks:audioSettings:)](avfoundation/avassetreaderaudiomixoutput/init(audiotracks:audiosettings:).md)

### Configuring audio settings

- [audioMix](avfoundation/avassetreaderaudiomixoutput/audiomix.md)
- [audioTimePitchAlgorithm](avfoundation/avassetreaderaudiomixoutput/audiotimepitchalgorithm.md)

### Inspecting an output

- [audioTracks](avfoundation/avassetreaderaudiomixoutput/audiotracks.md)
- [audioSettings](avfoundation/avassetreaderaudiomixoutput/audiosettings.md)

## Relationships

### Inherits From

- [AVAssetReaderOutput](avfoundation/avassetreaderoutput.md)

### Conforms To

- [CVarArg](swift/cvararg.md)
- [CustomDebugStringConvertible](swift/customdebugstringconvertible.md)
- [CustomStringConvertible](swift/customstringconvertible.md)
- [Equatable](swift/equatable.md)
- [Hashable](swift/hashable.md)
- [NSObjectProtocol](objectivec/nsobjectprotocol.md)
- [Sendable](swift/sendable.md)
- [SendableMetatype](swift/sendablemetatype.md)

## See Also

### Media reading

- [Reading multiview 3D video files](avfoundation/reading-multiview-3d-video-files.md)
- [AVAssetReader](avfoundation/avassetreader.md)
- [AVAssetReaderOutput](avfoundation/avassetreaderoutput.md)
- [AVAssetReaderTrackOutput](avfoundation/avassetreadertrackoutput.md)
- [AVAssetReaderVideoCompositionOutput](avfoundation/avassetreadervideocompositionoutput.md)
- [AVAssetReaderSampleReferenceOutput](avfoundation/avassetreadersamplereferenceoutput.md)
- [AVAssetReaderOutputMetadataAdaptor](avfoundation/avassetreaderoutputmetadataadaptor.md)