<!--
{
  "availability" : [
    "iOS: 13.0.0 -",
    "iPadOS: 13.0.0 -",
    "macCatalyst: 13.1.0 -",
    "macOS: 10.15.0 -",
    "tvOS: 13.0.0 -",
    "visionOS: 1.0.0 -",
    "watchOS: 6.0.0 -"
  ],
  "documentType" : "symbol",
  "framework" : "AVFAudio",
  "identifier" : "/documentation/AVFAudio/AVAudioIONode/setVoiceProcessingEnabled(_:)",
  "metadataVersion" : "0.1.0",
  "role" : "Instance Method",
  "symbol" : {
    "kind" : "Instance Method",
    "modules" : [
      "AVFAudio"
    ],
    "preciseIdentifier" : "c:objc(cs)AVAudioIONode(im)setVoiceProcessingEnabled:error:"
  },
  "title" : "setVoiceProcessingEnabled(_:)"
}
-->

# setVoiceProcessingEnabled(_:)

Enables or disables voice processing on the I/O node.

```
func setVoiceProcessingEnabled(_ enabled: Bool) throws
```

## Parameters

`enabled`

The Boolean value that indicates whether to enable voice processing.

## Discussion

---

Copyright &copy; 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)