---
title: IOAudioControlUserClient
framework: kernel
role: symbol
role_heading: Class
path: kernel/ioaudiocontroluserclient
---

# IOAudioControlUserClient

## Declaration

```occ
class IOAudioControlUserClient : IOUserClient
```

## Topics

### Instance Methods

- [clientClose](kernel/ioaudiocontroluserclient/1430445-clientclose.md)
- [clientDied](kernel/ioaudiocontroluserclient/1430433-clientdied.md)
- [free](kernel/ioaudiocontroluserclient/1430447-free.md)
- [getMetaClass](kernel/ioaudiocontroluserclient/1430437-getmetaclass.md)
- [initWithAudioControl](kernel/ioaudiocontroluserclient/1430444-initwithaudiocontrol.md)
- [initWithAudioControl](kernel/ioaudiocontroluserclient/3516519-initwithaudiocontrol.md)
- [registerNotificationPort](kernel/ioaudiocontroluserclient/1430439-registernotificationport.md)
- [sendChangeNotification](kernel/ioaudiocontroluserclient/1430436-sendchangenotification.md)
- [sendValueChangeNotification](kernel/ioaudiocontroluserclient/1430441-sendvaluechangenotification.md)

### Type Methods

- [withAudioControl](kernel/ioaudiocontroluserclient/1430435-withaudiocontrol.md)
- [withAudioControl](kernel/ioaudiocontroluserclient/3516520-withaudiocontrol.md)

## Relationships

### Inherits From

- [IOUserClient](kernel/iouserclient.md)

## See Also

### User-Space Access

- [IOAudioEngineUserClient](kernel/ioaudioengineuserclient.md)