---
title: IOAudioTimeStamp
framework: kernel
role: symbol
role_heading: Type Alias
path: kernel/ioaudiotimestamp
---

# IOAudioTimeStamp

## Declaration

```occ
typedef struct _IOAudioTimeStamp IOAudioTimeStamp;
```

## Topics

### Instance Properties

- [fFlags](kernel/ioaudiotimestamp/1491150-fflags.md)
- [fHostTime](kernel/ioaudiotimestamp/1491238-fhosttime.md)
- [fRateScalar](kernel/ioaudiotimestamp/1491171-fratescalar.md)
- [fReserved](kernel/ioaudiotimestamp/1491144-freserved.md)
- [fSMPTETime](kernel/ioaudiotimestamp/1490884-fsmptetime.md)
- [fSampleTime](kernel/ioaudiotimestamp/1490822-fsampletime.md)
- [fWordClockTime](kernel/ioaudiotimestamp/1491014-fwordclocktime.md)

## See Also

### Audio Data

- [IOAudioEngineNotifications](kernel/ioaudioenginenotifications.md)
- [IOAudioEngineTraps](kernel/ioaudioenginetraps.md)
- [IOAudioSampleRate](kernel/ioaudiosamplerate.md)
- [IOAudioStreamFormat](kernel/ioaudiostreamformat.md)
- [IOAudioStreamFormatExtension](kernel/ioaudiostreamformatextension.md)
- [IOAudioClientBuffer](kernel/ioaudioclientbuffer.md)
- [IOAudioClientBuffer64](kernel/ioaudioclientbuffer64.md)
- [IOAudioClientBufferExtendedInfo](kernel/ioaudioclientbufferextendedinfo.md)
- [IOAudioClientBufferExtendedInfo64](kernel/ioaudioclientbufferextendedinfo64.md)
- [IOAudioEnginePosition](kernel/ioaudioengineposition.md)
- [IOAF_bcopy_WriteCombine](kernel/1416189-ioaf_bcopy_writecombine.md)
- [UInt64mult](kernel/1402722-uint64mult.md)