---
title: kConverterPrimeMethod_Pre
framework: audiotoolbox
role: symbol
role_heading: Global Variable
path: audiotoolbox/kconverterprimemethod_pre
---

# kConverterPrimeMethod_Pre

Prime with leading + trailing input frames.

## Declaration

```swift
var kConverterPrimeMethod_Pre: UInt32 { get }
```

## See Also

### Constants

- [kConverterPrimeMethod_Normal](audiotoolbox/kconverterprimemethod_normal.md)
- [kConverterPrimeMethod_None](audiotoolbox/kconverterprimemethod_none.md)