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# activeMicrophoneMode

The device’s active microphone mode.

```
class var activeMicrophoneMode: AVCaptureDevice.MicrophoneMode { get }
```

## Discussion

The value may differ from the value of the [`preferredMicrophoneMode`](/documentation/AVFoundation/AVCaptureDevice/preferredMicrophoneMode) property if the app’s active audio route doesn’t support the mode.

This property is key-value observable.

---

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