<!--
{
  "documentType" : "article",
  "framework" : "CoreAudio",
  "identifier" : "/documentation/CoreAudio/1545886-anonymous",
  "metadataVersion" : "0.1.0",
  "role" : "collectionGroup",
  "title" : "Anonymous"
}
-->

# Anonymous

## Topics

### Constants

[`var kAudioHardwarePropertyBoxList: AudioObjectPropertySelector`](/documentation/CoreAudio/kAudioHardwarePropertyBoxList)

[`var kAudioHardwarePropertyDefaultInputDevice: AudioObjectPropertySelector`](/documentation/CoreAudio/kAudioHardwarePropertyDefaultInputDevice)

[`var kAudioHardwarePropertyDefaultOutputDevice: AudioObjectPropertySelector`](/documentation/CoreAudio/kAudioHardwarePropertyDefaultOutputDevice)

[`var kAudioHardwarePropertyDefaultSystemOutputDevice: AudioObjectPropertySelector`](/documentation/CoreAudio/kAudioHardwarePropertyDefaultSystemOutputDevice)

[`var kAudioHardwarePropertyDevices: AudioObjectPropertySelector`](/documentation/CoreAudio/kAudioHardwarePropertyDevices)

[`var kAudioHardwarePropertyHogModeIsAllowed: AudioObjectPropertySelector`](/documentation/CoreAudio/kAudioHardwarePropertyHogModeIsAllowed)

[`var kAudioHardwarePropertyIsInitingOrExiting: AudioObjectPropertySelector`](/documentation/CoreAudio/kAudioHardwarePropertyIsInitingOrExiting)

[`var kAudioHardwarePropertyMixStereoToMono: AudioObjectPropertySelector`](/documentation/CoreAudio/kAudioHardwarePropertyMixStereoToMono)

[`var kAudioHardwarePropertyPlugInList: AudioObjectPropertySelector`](/documentation/CoreAudio/kAudioHardwarePropertyPlugInList)

[`var kAudioHardwarePropertyPowerHint: AudioObjectPropertySelector`](/documentation/CoreAudio/kAudioHardwarePropertyPowerHint)

[`var kAudioHardwarePropertyProcessIsAudible: AudioObjectPropertySelector`](/documentation/CoreAudio/kAudioHardwarePropertyProcessIsAudible)

[`var kAudioHardwarePropertyProcessIsMaster: AudioObjectPropertySelector`](/documentation/CoreAudio/kAudioHardwarePropertyProcessIsMaster)

[`var kAudioHardwarePropertyServiceRestarted: AudioObjectPropertySelector`](/documentation/CoreAudio/kAudioHardwarePropertyServiceRestarted)

[`var kAudioHardwarePropertySleepingIsAllowed: AudioObjectPropertySelector`](/documentation/CoreAudio/kAudioHardwarePropertySleepingIsAllowed)

[`var kAudioHardwarePropertyTranslateBundleIDToPlugIn: AudioObjectPropertySelector`](/documentation/CoreAudio/kAudioHardwarePropertyTranslateBundleIDToPlugIn)

[`var kAudioHardwarePropertyTranslateBundleIDToTransportManager: AudioObjectPropertySelector`](/documentation/CoreAudio/kAudioHardwarePropertyTranslateBundleIDToTransportManager)

[`var kAudioHardwarePropertyTranslateUIDToBox: AudioObjectPropertySelector`](/documentation/CoreAudio/kAudioHardwarePropertyTranslateUIDToBox)

[`var kAudioHardwarePropertyTranslateUIDToDevice: AudioObjectPropertySelector`](/documentation/CoreAudio/kAudioHardwarePropertyTranslateUIDToDevice)

[`var kAudioHardwarePropertyTransportManagerList: AudioObjectPropertySelector`](/documentation/CoreAudio/kAudioHardwarePropertyTransportManagerList)

[`var kAudioHardwarePropertyUnloadingIsAllowed: AudioObjectPropertySelector`](/documentation/CoreAudio/kAudioHardwarePropertyUnloadingIsAllowed)

[`var kAudioHardwarePropertyUserIDChanged: AudioObjectPropertySelector`](/documentation/CoreAudio/kAudioHardwarePropertyUserIDChanged)

[`var kAudioHardwarePropertyUserSessionIsActiveOrHeadless: AudioObjectPropertySelector`](/documentation/CoreAudio/kAudioHardwarePropertyUserSessionIsActiveOrHeadless)

[`var kAudioHardwarePropertyClockDeviceList: AudioObjectPropertySelector`](/documentation/CoreAudio/kAudioHardwarePropertyClockDeviceList)

[`var kAudioHardwarePropertyTranslateUIDToClockDevice: AudioObjectPropertySelector`](/documentation/CoreAudio/kAudioHardwarePropertyTranslateUIDToClockDevice)



---

Copyright &copy; 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)