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# AVAudioVoiceProcessingSpeechActivityEvent

Types of speech activity events.

```
enum AVAudioVoiceProcessingSpeechActivityEvent
```

## Topics

### Events

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

Indicates the start of speech activity.

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

Indicates the end of speech activity.

## Relationships

### Conforms To

[`Sendable`](/documentation/Swift/Sendable)

[`Hashable`](/documentation/Swift/Hashable)

[`Equatable`](/documentation/Swift/Equatable)

[`RawRepresentable`](/documentation/Swift/RawRepresentable)

[`SendableMetatype`](/documentation/Swift/SendableMetatype)

[`BitwiseCopyable`](/documentation/Swift/BitwiseCopyable)

---

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