---
title: kAUVoiceIOProperty_VoiceProcessingEnableAGC
framework: audiotoolbox
role: symbol
role_heading: Global Variable
path: audiotoolbox/kauvoiceioproperty_voiceprocessingenableagc
---

# kAUVoiceIOProperty_VoiceProcessingEnableAGC

A property to enable automatic gain control on the processed microphone uplink.

## Declaration

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

## See Also

### Configuring voice processing

- [kAUVoiceIOProperty_BypassVoiceProcessing](audiotoolbox/kauvoiceioproperty_bypassvoiceprocessing.md)
- [kAUVoiceIOProperty_MuteOutput](audiotoolbox/kauvoiceioproperty_muteoutput.md)