---
title: kAudioConverterPropertyPerformDownmix
framework: audiotoolbox
role: symbol
role_heading: Global Variable
path: audiotoolbox/kaudioconverterpropertyperformdownmix
---

# kAudioConverterPropertyPerformDownmix

## Declaration

```swift
var kAudioConverterPropertyPerformDownmix: AudioConverterPropertyID { get }
```