---
title: AVSampleBufferAudioRenderer
framework: avfoundation
role: symbol
role_heading: Class
path: avfoundation/avsamplebufferaudiorenderer
---

# AVSampleBufferAudioRenderer

An object used to decompress audio and play compressed or uncompressed audio.

## Declaration

```swift
class AVSampleBufferAudioRenderer
```

## Mentioned in

Implementing flexible enhanced buffering for your content Supporting AirPlay in your app

## Overview

Overview You must add an instance of this class to an AVSampleBufferRenderSynchronizer before queuing the first sample buffer.

## Topics

### Determining rendering status

- [status](avfoundation/avsamplebufferaudiorenderer/status.md)
- [AVQueuedSampleBufferRenderingStatus](avfoundation/avqueuedsamplebufferrenderingstatus.md)

### Removing queued buffers

- [flush(fromSourceTime:completionHandler:)](avfoundation/avsamplebufferaudiorenderer/flush(fromsourcetime:completionhandler:).md)
- [AVSampleBufferAudioRendererFlushTimeKey](avfoundation/avsamplebufferaudiorendererflushtimekey.md)

### Configuring time and pitch

- [audioTimePitchAlgorithm](avfoundation/avsamplebufferaudiorenderer/audiotimepitchalgorithm.md)
- [AVAudioTimePitchAlgorithm](avfoundation/avaudiotimepitchalgorithm.md)

### Configuring audio spatialization

- [allowedAudioSpatializationFormats](avfoundation/avsamplebufferaudiorenderer/allowedaudiospatializationformats.md)

### Managing audio output

- [volume](avfoundation/avsamplebufferaudiorenderer/volume.md)
- [isMuted](avfoundation/avsamplebufferaudiorenderer/ismuted.md)
- [audioOutputDeviceUniqueID](avfoundation/avsamplebufferaudiorenderer/audiooutputdeviceuniqueid.md)

### Responding to errors

- [error](avfoundation/avsamplebufferaudiorenderer/error.md)

### Classes

- [AVSampleBufferAudioRenderer.Receiver](avfoundation/avsamplebufferaudiorenderer/receiver.md)

## Relationships

### Inherits From

- [NSObject](objectivec/nsobject-swift.class.md)

### Conforms To

- [AVQueuedSampleBufferRendering](avfoundation/avqueuedsamplebufferrendering.md)
- [CVarArg](swift/cvararg.md)
- [CustomDebugStringConvertible](swift/customdebugstringconvertible.md)
- [CustomStringConvertible](swift/customstringconvertible.md)
- [Equatable](swift/equatable.md)
- [Hashable](swift/hashable.md)
- [NSObjectProtocol](objectivec/nsobjectprotocol.md)

## See Also

### Presentation

- [AVQueuedSampleBufferRendering](avfoundation/avqueuedsamplebufferrendering.md)
- [AVSampleBufferRenderSynchronizer](avfoundation/avsamplebufferrendersynchronizer.md)
- [AVSampleBufferDisplayLayer](avfoundation/avsamplebufferdisplaylayer.md)
- [AVSampleBufferVideoRenderer](avfoundation/avsamplebuffervideorenderer.md)