---
title: kAUVoiceIOProperty_VoiceProcessingQuality
framework: audiotoolbox
role: symbol
role_heading: Global Variable
path: audiotoolbox/kauvoiceioproperty_voiceprocessingquality
---

# kAUVoiceIOProperty_VoiceProcessingQuality

## Declaration

```swift
var kAUVoiceIOProperty_VoiceProcessingQuality: AudioUnitPropertyID { get }
```