---
title: IOAudioStreamFormat
framework: IOKit
role: symbol
role_heading: Structure
platforms: [Mac Catalyst 13.0+, macOS 10.1+]
path: iokit/ioaudiostreamformat
---

# IOAudioStreamFormat

## Declaration

```occ
typedef struct _IOAudioStreamFormat {
    ...
} IOAudioStreamFormat;
```

## Topics

### Instance Properties

- [fAlignment](iokit/ioaudiostreamformat/1584584-falignment.md)
- [fBitDepth](iokit/ioaudiostreamformat/1584790-fbitdepth.md)
- [fBitWidth](iokit/ioaudiostreamformat/1584853-fbitwidth.md)
- [fByteOrder](iokit/ioaudiostreamformat/1584795-fbyteorder.md)
- [fDriverTag](iokit/ioaudiostreamformat/1584600-fdrivertag.md)
- [fIsMixable](iokit/ioaudiostreamformat/1584671-fismixable.md)
- [fNumChannels](iokit/ioaudiostreamformat/1584544-fnumchannels.md)
- [fNumericRepresentation](iokit/ioaudiostreamformat/1584822-fnumericrepresentation.md)
- [fSampleFormat](iokit/ioaudiostreamformat/1584716-fsampleformat.md)