---
title: fBytesPerPacket
framework: IOKit
role: symbol
role_heading: Instance Property
platforms: [Mac Catalyst 13.0+, macOS 10.2+]
path: iokit/ioaudiostreamformatextension/1584666-fbytesperpacket
---

# fBytesPerPacket

## Declaration

```occ
UInt32 fBytesPerPacket;
```