---
title: "init(mSMPTE_TimeType:mNumberRegions:mRegions:)"
framework: audiotoolbox
role: symbol
role_heading: Initializer
path: "audiotoolbox/cafregionchunk/init(msmpte_timetype:mnumberregions:mregions:)"
---

# init(mSMPTE_TimeType:mNumberRegions:mRegions:)

## Declaration

```swift
init(mSMPTE_TimeType: UInt32, mNumberRegions: UInt32, mRegions: CAFRegion)
```