Converter unit

Supports audio format conversions to or from linear PCM.

kAudioUnitType_FormatConverter

kAudioUnitSubType_AUConverter

kAudioUnitManufacturer_Apple

aufc

conv

appl

iPod Equalizer unit

Provides the features of the iPod equalizer.

kAudioUnitType_Effect

kAudioUnitSubType_AUiPodEQ

kAudioUnitManufacturer_Apple

aufx

ipeq

appl

3D Mixer unit

Supports mixing multiple audio streams, output panning, sample rate conversion, and more.

kAudioUnitType_Mixer

kAudioUnitSubType_AU3DMixerEmbedded

kAudioUnitManufacturer_Apple

aumx

3dem

appl

Multichannel Mixer unit

Supports mixing multiple audio streams to a single stream.

kAudioUnitType_Mixer

kAudioUnitSubType_MultiChannelMixer

kAudioUnitManufacturer_Apple

aumx

mcmx

appl

Generic Output unit

Supports converting to and from linear PCM format; can be used to start and stop a graph.

kAudioUnitType_Output

kAudioUnitSubType_GenericOutput

kAudioUnitManufacturer_Apple

auou

genr

appl

I/O unit

Connects to device hardware for input, output, or simultaneous input and output.

kAudioUnitType_Output

kAudioUnitSubType_RemoteIO

kAudioUnitManufacturer_Apple

auou

rioc

appl

Voice Processing I/O unit

Has the characteristics of the I/O unit and adds echo suppression for two-way communication.

kAudioUnitType_Output

kAudioUnitSubType_VoiceProcessingIO

kAudioUnitManufacturer_Apple

auou

vpio

appl