---
title: "init(PCMFormat:frameCapacity:)"
framework: avfaudio
role: symbol
role_heading: Initializer
path: "avfaudio/avaudiopcmbuffer/init(pcmformat:framecapacity:)-7scyk"
---

# init(PCMFormat:frameCapacity:)

## Declaration

```swift
init?(PCMFormat format: AVAudioFormat, frameCapacity: AVAudioFrameCount)
```