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# AVAudioBuffer

An object that represents a buffer of audio data with a format.

```
class AVAudioBuffer
```

## Topics

### Getting the Buffer Format

[`format`](/documentation/AVFAudio/AVAudioBuffer/format)

The format of the audio in the buffer.

### Getting the Audio Buffers

[`audioBufferList`](/documentation/AVFAudio/AVAudioBuffer/audioBufferList)

The buffer’s underlying audio buffer list.

[`mutableAudioBufferList`](/documentation/AVFAudio/AVAudioBuffer/mutableAudioBufferList)

A mutable version of the buffer’s underlying audio buffer list.

### Specialized Audio Buffers

[`AVAudioCompressedBuffer`](/documentation/AVFAudio/AVAudioCompressedBuffer)

An object that represents an audio buffer that you use for compressed audio formats.

[`AVAudioPCMBuffer`](/documentation/AVFAudio/AVAudioPCMBuffer)

An object that represents an audio buffer you use with PCM audio formats.



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