---
title: calibration
framework: realitykit
role: symbol
role_heading: Instance Property
path: realitykit/audiofileresource/configuration-swift.struct/calibration
---

# calibration

Stores the calibration setting that the system applies to the audio resource, ensuring optimal playback quality.

## Declaration

```swift
var calibration: AudioResource.Calibration?
```

## See Also

### Controlling the volume

- [normalization](realitykit/audiofileresource/configuration-swift.struct/normalization.md)