---
title: kIOAudioStreamSampleFormat1937AC3
framework: Kernel
role: symbol
role_heading: Enumeration Case
platforms: [macOS 10.12+]
path: kernel/1646415-anonymous/kioaudiostreamsampleformat1937ac3
---

# kIOAudioStreamSampleFormat1937AC3

## Declaration

```occ
kIOAudioStreamSampleFormat1937AC3 = 'cac3'
```