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# AVSpeechSynthesisVoiceQuality

The speech quality of a voice.

```
enum AVSpeechSynthesisVoiceQuality
```

## Topics

### Voice qualities

[`AVSpeechSynthesisVoiceQualityDefault`](/documentation/AVFAudio/AVSpeechSynthesisVoiceQuality/default)

A basic quality voice that’s  available on the device by default.

[`AVSpeechSynthesisVoiceQualityEnhanced`](/documentation/AVFAudio/AVSpeechSynthesisVoiceQuality/enhanced)

An enhanced quality voice that you must download to use.

[`AVSpeechSynthesisVoiceQualityPremium`](/documentation/AVFAudio/AVSpeechSynthesisVoiceQuality/premium)

A premium quality voice that you must download to use.

## Relationships

### Conforms To

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

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

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

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

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

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

---

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