---
title: audioTimePitchAlgorithm
framework: avfoundation
role: symbol
role_heading: Instance Property
path: avfoundation/avmutableaudiomixinputparameters/audiotimepitchalgorithm
---

# audioTimePitchAlgorithm

The processing algorithm used to manage audio pitch for scaled audio edits.

## Declaration

```swift
var audioTimePitchAlgorithm: AVAudioTimePitchAlgorithm? { get set }
```

## Discussion

Discussion The supported constants are defined in Time Pitch Algorithm Settings. An invalidArgumentException is raised if this property is set to a value other than the defined constants.

## See Also

### Time pitch settings

- [AVAudioTimePitchAlgorithm](avfoundation/avaudiotimepitchalgorithm.md)