---
title: mSMPTE_TimeType
framework: audiotoolbox
role: symbol
role_heading: Instance Property
path: audiotoolbox/audiofileregionlist/msmpte_timetype
---

# mSMPTE_TimeType

The SMPTE timing scheme used in the file. See Core Audio’s CAFFile.h header file for the values used here. For more information, see Core Audio Overview.

## Declaration

```swift
var mSMPTE_TimeType: UInt32
```