---
title: CAClockTimebase.audioOutputUnit
framework: audiotoolbox
role: symbol
role_heading: Case
path: audiotoolbox/caclocktimebase/audiooutputunit
---

# CAClockTimebase.audioOutputUnit

## Declaration

```swift
case audioOutputUnit
```

## See Also

### Constants

- [CAClockTimebase.audioDevice](audiotoolbox/caclocktimebase/audiodevice.md)
- [CAClockTimebase.hostTime](audiotoolbox/caclocktimebase/hosttime.md)