---
title: kDynamicsProcessorParam_HeadRoom
framework: audiotoolbox
role: symbol
role_heading: Global Variable
path: audiotoolbox/kdynamicsprocessorparam_headroom
---

# kDynamicsProcessorParam_HeadRoom

## Declaration

```swift
var kDynamicsProcessorParam_HeadRoom: AudioUnitParameterID { get }
```

## See Also

### Constants

- [kDynamicsProcessorParam_AttackTime](audiotoolbox/kdynamicsprocessorparam_attacktime.md)
- [kDynamicsProcessorParam_CompressionAmount](audiotoolbox/kdynamicsprocessorparam_compressionamount.md)
- [kDynamicsProcessorParam_ExpansionRatio](audiotoolbox/kdynamicsprocessorparam_expansionratio.md)
- [kDynamicsProcessorParam_ExpansionThreshold](audiotoolbox/kdynamicsprocessorparam_expansionthreshold.md)
- [kDynamicsProcessorParam_InputAmplitude](audiotoolbox/kdynamicsprocessorparam_inputamplitude.md)
- [kDynamicsProcessorParam_MasterGain](audiotoolbox/kdynamicsprocessorparam_mastergain.md)
- [kDynamicsProcessorParam_OutputAmplitude](audiotoolbox/kdynamicsprocessorparam_outputamplitude.md)
- [kDynamicsProcessorParam_ReleaseTime](audiotoolbox/kdynamicsprocessorparam_releasetime.md)
- [kDynamicsProcessorParam_Threshold](audiotoolbox/kdynamicsprocessorparam_threshold.md)
- [kDynamicsProcessorParam_OverallGain](audiotoolbox/kdynamicsprocessorparam_overallgain.md)