---
title: "init(_:numberOfChannels:)"
framework: coreaudiotypes
role: symbol
role_heading: Initializer
path: "coreaudiotypes/audiobuffer/init(_:numberofchannels:)"
---

# init(_:numberOfChannels:)

Initialize an AudioBuffer from an UnsafeMutableBufferPointer<Element>.

## Declaration

```swift
init<Element>(_ typedBuffer: UnsafeMutableBufferPointer<Element>, numberOfChannels: Int)
```