---
title: scanSpeed
framework: avkit
role: symbol
role_heading: Instance Property
path: avkit/avinterfaceplaybackcontrollable-3uvg7/scanspeed
---

# scanSpeed

The scanning speed multiplier used during fast-forward or rewind operations. A positive value indicates forward scanning, negative indicates backward scanning. Must be key-value observable.

## Declaration

```occ
@property (nonatomic, readwrite) float scanSpeed;
```

## See Also

### Controlling playback speed

- [playbackSpeed](avkit/avinterfaceplaybackcontrollable-3uvg7/playbackspeed.md)
- [defaultPlaybackSpeed](avkit/avinterfaceplaybackcontrollable-3uvg7/defaultplaybackspeed.md)
- [supportedSeekCapabilities](avkit/avinterfaceplaybackcontrollable-3uvg7/supportedseekcapabilities.md)