---
title: pitch
framework: avfaudio
role: symbol
role_heading: Instance Property
path: avfaudio/avaudiounittimepitch/pitch
---

# pitch

The amount to use to pitch shift the input signal.

## Declaration

```swift
var pitch: Float { get set }
```

## Discussion

Discussion The audio unit measures the pitch in cents, a logarithmic value you use for measuring musical intervals. One octave is equal to 1200 cents. One musical semitone is equal to 100 cents. The default value is 0``.0. The range of values is -2400 to 2400.

## See Also

### Getting and setting time pitch values

- [overlap](avfaudio/avaudiounittimepitch/overlap.md)
- [rate](avfaudio/avaudiounittimepitch/rate.md)