---
title: "init(PCMFormat:bufferListNoCopy:deallocator:)"
framework: avfaudio
role: symbol
role_heading: Initializer
path: "avfaudio/avaudiopcmbuffer/init(pcmformat:bufferlistnocopy:deallocator:)-2ms1j"
---

# init(PCMFormat:bufferListNoCopy:deallocator:)

## Declaration

```swift
init?(PCMFormat format: AVAudioFormat, bufferListNoCopy bufferList: UnsafePointer<AudioBufferList>, deallocator: ((UnsafePointer<AudioBufferList>) -> Void)? = nil)
```