---
title: kAUVoiceIOProperty_MuteOutput
framework: audiotoolbox
role: symbol
role_heading: Global Variable
path: audiotoolbox/kauvoiceioproperty_muteoutput
---

# kAUVoiceIOProperty_MuteOutput

A property to mute the output of the processed microphone uplink.

## Declaration

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

## See Also

### Configuring voice processing

- [kAUVoiceIOProperty_BypassVoiceProcessing](audiotoolbox/kauvoiceioproperty_bypassvoiceprocessing.md)
- [kAUVoiceIOProperty_VoiceProcessingEnableAGC](audiotoolbox/kauvoiceioproperty_voiceprocessingenableagc.md)