---
title: kIOAudioTimeStampHostTimeValid
framework: Kernel
role: symbol
role_heading: Enumeration Case
platforms: [macOS 10.12+]
path: kernel/1646409-anonymous/kioaudiotimestamphosttimevalid
---

# kIOAudioTimeStampHostTimeValid

## Declaration

```occ
kIOAudioTimeStampHostTimeValid = (1L << 1)
```