---
title: init()
framework: avfaudio
role: symbol
role_heading: Initializer
path: avfaudio/avaudioengine/init()
---

# init()

Creates an audio engine instance for rendering in real time.

## Declaration

```swift
init()
```

## Return Value

Return Value A new AVAudioEngine instance.

## Discussion

Discussion To operate in manual rendering mode, which removes real-time running constraints, see enableManualRenderingMode(_:format:maximumFrameCount:).