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# AVAudioVoiceProcessingSpeechActivityEvent

Types of speech activity events.

```
enum AVAudioVoiceProcessingSpeechActivityEvent
```

## Topics

### Events

[`AVAudioVoiceProcessingSpeechActivityEvent.started`](/documentation/AVFAudio/AVAudioVoiceProcessingSpeechActivityEvent/started)

Indicates the start of speech activity.

[`AVAudioVoiceProcessingSpeechActivityEvent.ended`](/documentation/AVFAudio/AVAudioVoiceProcessingSpeechActivityEvent/ended)

Indicates the end of speech activity.


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