---
title: kAudioDevicePropertySubVolumeDecibelsToScalarTransferFunction
framework: coreaudio
role: symbol
role_heading: Global Variable
path: coreaudio/kaudiodevicepropertysubvolumedecibelstoscalartransferfunction
---

# kAudioDevicePropertySubVolumeDecibelsToScalarTransferFunction

## Declaration

```swift
var kAudioDevicePropertySubVolumeDecibelsToScalarTransferFunction: AudioObjectPropertySelector { get }
```

## See Also

### Constants

- [kAudioDevicePropertyDriverShouldOwniSub](coreaudio/kaudiodevicepropertydrivershouldownisub.md)
- [kAudioDevicePropertyPlayThruVolumeDecibelsToScalarTransferFunction](coreaudio/kaudiodevicepropertyplaythruvolumedecibelstoscalartransferfunction.md)
- [kAudioDevicePropertyVolumeDecibelsToScalarTransferFunction](coreaudio/kaudiodevicepropertyvolumedecibelstoscalartransferfunction.md)