---
title: IOAudioTimeStamp
framework: IOKit
role: symbol
role_heading: Structure
platforms: [Mac Catalyst 13.0+, macOS 10.3+]
path: iokit/ioaudiotimestamp
---

# IOAudioTimeStamp

## Declaration

```occ
typedef struct _IOAudioTimeStamp {
    ...
} IOAudioTimeStamp;
```

## Topics

### Instance Properties

- [fFlags](ioaudiotimestamp/1584832-fflags.md)
- [fHostTime](ioaudiotimestamp/1584678-fhosttime.md)
- [fRateScalar](ioaudiotimestamp/1584721-fratescalar.md)
- [fReserved](ioaudiotimestamp/1584630-freserved.md)
- [fSMPTETime](ioaudiotimestamp/1584636-fsmptetime.md)
- [fSampleTime](ioaudiotimestamp/1584653-fsampletime.md)
- [fWordClockTime](ioaudiotimestamp/1584622-fwordclocktime.md)