---
title: "init(CMAudioFormatDescription:)"
framework: avfaudio
role: symbol
role_heading: Initializer
path: "avfaudio/avaudioformat/init(cmaudioformatdescription:)-2tldd"
---

# init(CMAudioFormatDescription:)

## Declaration

```swift
init(CMAudioFormatDescription formatDescription: CMAudioFormatDescription)
```