---
title: AVSpeechUtteranceMaximumSpeechRate
framework: avfaudio
role: symbol
role_heading: Global Variable
path: avfaudio/avspeechutterancemaximumspeechrate
---

# AVSpeechUtteranceMaximumSpeechRate

The maximum rate the speech synthesizer uses when speaking an utterance.

## Declaration

```swift
let AVSpeechUtteranceMaximumSpeechRate: Float
```

## Discussion

Discussion The speech rate is a decimal representation.

## See Also

### Configuring utterance timing

- [rate](avfaudio/avspeechutterance/rate.md)
- [AVSpeechUtteranceMinimumSpeechRate](avfaudio/avspeechutteranceminimumspeechrate.md)
- [AVSpeechUtteranceDefaultSpeechRate](avfaudio/avspeechutterancedefaultspeechrate.md)
- [preUtteranceDelay](avfaudio/avspeechutterance/preutterancedelay.md)
- [postUtteranceDelay](avfaudio/avspeechutterance/postutterancedelay.md)