---
title: PHASECalibrationMode.none
framework: phase
role: symbol
role_heading: Case
path: phase/phasecalibrationmode/none
---

# PHASECalibrationMode.none

An option that specifies no loudness calibration.

## Declaration

```swift
case none
```

## Discussion

Discussion For a consistent user experience across platforms and output devices, avoid PHASECalibrationMode.none by correcting loudness with PHASECalibrationMode.absoluteSpl or PHASECalibrationMode.relativeSpl.

## See Also

### Modes

- [PHASECalibrationMode.absoluteSpl](phase/phasecalibrationmode/absolutespl.md)
- [PHASECalibrationMode.relativeSpl](phase/phasecalibrationmode/relativespl.md)