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# PHASECalibrationMode

Calibration options for sound pressure level.

```
enum PHASECalibrationMode
```

## Topics

### Modes

[`case absoluteSpl`](/documentation/PHASE/PHASECalibrationMode/absoluteSpl)

A sound pressure level based on the current output device.

[`case none`](/documentation/PHASE/PHASECalibrationMode/none)

An option that specifies no loudness calibration.

[`case relativeSpl`](/documentation/PHASE/PHASECalibrationMode/relativeSpl)

A sound pressure level that’s tuned for the device.

### Initializers

[`init?(rawValue: Int)`](/documentation/PHASE/PHASECalibrationMode/init(rawValue:))

## Relationships

### Conforms To

[`Equatable`](/documentation/Swift/Equatable)

[`RawRepresentable`](/documentation/Swift/RawRepresentable)

[`Hashable`](/documentation/Swift/Hashable)

[`SendableMetatype`](/documentation/Swift/SendableMetatype)

[`BitwiseCopyable`](/documentation/Swift/BitwiseCopyable)

[`Sendable`](/documentation/Swift/Sendable)

---

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