---
title: speed
framework: realitykit
role: symbol
role_heading: Instance Property
path: realitykit/audioplaybackcontroller/speed
---

# speed

The rate of playback of the audio resource, with a range of [.25, 4]

## Declaration

```swift
@MainActor @preconcurrency var speed: Double { get set }
```

## Discussion

Discussion Set the speed to 1 for a normal playback rate.