---
title: kSpeechAudioOutputFormatProperty
framework: Application Services
role: symbol
role_heading: Global Variable
platforms: [macOS 10.9+]
path: applicationservices/kspeechaudiooutputformatproperty
---

# kSpeechAudioOutputFormatProperty

## Declaration

```swift
let kSpeechAudioOutputFormatProperty: CFString
```