---
title: Effect Audio Unit Subtypes
framework: audiotoolbox
role: collectionGroup
role_heading: API Collection
path: audiotoolbox/1584154-effect_audio_unit_subtypes
---

# Effect Audio Unit Subtypes

Effect (digital signal processing) audio unit subtypes for audio units provided by Apple.

## Topics

### Constants

- [kAudioUnitSubType_AUiPodEQ](audiotoolbox/kaudiounitsubtype_auipodeq.md)
- [kAudioUnitSubType_BandPassFilter](audiotoolbox/kaudiounitsubtype_bandpassfilter.md)
- [kAudioUnitSubType_Delay](audiotoolbox/kaudiounitsubtype_delay.md)
- [kAudioUnitSubType_Distortion](audiotoolbox/kaudiounitsubtype_distortion.md)
- [kAudioUnitSubType_DynamicsProcessor](audiotoolbox/kaudiounitsubtype_dynamicsprocessor.md)
- [kAudioUnitSubType_HighPassFilter](audiotoolbox/kaudiounitsubtype_highpassfilter.md)
- [kAudioUnitSubType_HighShelfFilter](audiotoolbox/kaudiounitsubtype_highshelffilter.md)
- [kAudioUnitSubType_LowPassFilter](audiotoolbox/kaudiounitsubtype_lowpassfilter.md)
- [kAudioUnitSubType_LowShelfFilter](audiotoolbox/kaudiounitsubtype_lowshelffilter.md)
- [kAudioUnitSubType_NBandEQ](audiotoolbox/kaudiounitsubtype_nbandeq.md)
- [kAudioUnitSubType_ParametricEQ](audiotoolbox/kaudiounitsubtype_parametriceq.md)
- [kAudioUnitSubType_PeakLimiter](audiotoolbox/kaudiounitsubtype_peaklimiter.md)
- [kAudioUnitSubType_SampleDelay](audiotoolbox/kaudiounitsubtype_sampledelay.md)
- [kAudioUnitSubType_AUSoundIsolation](audiotoolbox/kaudiounitsubtype_ausoundisolation.md)
- [kAudioUnitSubType_Reverb2](audiotoolbox/kaudiounitsubtype_reverb2.md)

## See Also

### Effects

- [AUMatrixReverb Parameters](audiotoolbox/1389801-aumatrixreverb-parameters.md)
- [AUDistortion Parameters](audiotoolbox/1390086-audistortion-parameters.md)
- [Reverb Parameters](audiotoolbox/1390119-reverb_parameters.md)
- [Reverb Unit Parameters](audiotoolbox/1615024-reverb_unit_parameters.md)
- [AUReverbRoomType](audiotoolbox/aureverbroomtype.md)
- [Varispeed Unit Parameters](audiotoolbox/1390014-varispeed_unit_parameters.md)
- [AUDelay Parameters](audiotoolbox/1390010-audelay-parameters.md)
- [AUMultibandCompressor Parameters](audiotoolbox/1389781-aumultibandcompressor-parameters.md)
- [AUDeferredRenderer Properties](audiotoolbox/1534061-audeferredrenderer-properties.md)
- [AUSampleDelay Parameters](audiotoolbox/3547050-ausampledelay-parameters.md)
- [AUNewTimePitch Parameters](audiotoolbox/1389643-aunewtimepitch-parameters.md)
- [AUTimePitch, AUTimePitch (offline), and AUPitch Unit Parameters](audiotoolbox/1389946-autimepitch_autimepitch_offline.md)