---
title: MixerDistanceParams
framework: audiotoolbox
role: symbol
role_heading: Structure
path: audiotoolbox/mixerdistanceparams
---

# MixerDistanceParams

## Declaration

```swift
struct MixerDistanceParams
```

## Topics

### Initializers

- [init()](audiotoolbox/mixerdistanceparams/init().md)
- [init(mReferenceDistance:mMaxDistance:mMaxAttenuation:)](audiotoolbox/mixerdistanceparams/init(mreferencedistance:mmaxdistance:mmaxattenuation:).md)

### Instance Properties

- [mMaxAttenuation](audiotoolbox/mixerdistanceparams/mmaxattenuation.md)
- [mMaxDistance](audiotoolbox/mixerdistanceparams/mmaxdistance.md)
- [mReferenceDistance](audiotoolbox/mixerdistanceparams/mreferencedistance.md)

## Relationships

### Conforms To

- [BitwiseCopyable](swift/bitwisecopyable.md)
- [Sendable](swift/sendable.md)

## See Also

### Mixers

- [Audio Unit Mixer Subtypes](audiotoolbox/1584146-audio-unit-mixer-subtypes.md)
- [AUSpatialMixerAttenuationCurve](audiotoolbox/auspatialmixerattenuationcurve.md)
- [AUSpatialMixerRenderingFlags](audiotoolbox/auspatialmixerrenderingflags.md)
- [AUSpatialMixer Parameters](audiotoolbox/1390073-auspatialmixer-parameters.md)
- [Panner Audio Unit Parameters](audiotoolbox/1389991-panner-audio-unit-parameters.md)
- [AUMatrixMixer Parameters](audiotoolbox/1390003-aumatrixmixer-parameters.md)
- [AUMultiChannelMixer Parameters](audiotoolbox/1389739-aumultichannelmixer_parameters.md)
- [Spatial Mixer Property IDs](audiotoolbox/1534150-spatial-mixer-property-ids.md)
- [Stereo Mixer Unit Parameters](audiotoolbox/1389928-stereo-mixer-unit-parameters.md)
- [Mixer Audio Unit Properties](audiotoolbox/1534041-mixer_audio_unit_properties.md)
- [Mixer Audio Unit Subtypes](audiotoolbox/1584150-mixer_audio_unit_subtypes.md)
- [AUSpatialMixerOutputType](audiotoolbox/auspatialmixeroutputtype.md)
- [AUSpatialMixerPointSourceInHeadMode](audiotoolbox/auspatialmixerpointsourceinheadmode.md)
- [AUSpatialMixerSourceMode](audiotoolbox/auspatialmixersourcemode.md)
- [3D Mixer Unit Parameters](audiotoolbox/1389763-3d_mixer_unit_parameters.md)