---
title: IOAudioStreamFormat
framework: kernel
role: symbol
role_heading: Type Alias
path: kernel/ioaudiostreamformat
---

# IOAudioStreamFormat

## Declaration

```occ
typedef struct _IOAudioStreamFormat IOAudioStreamFormat;
```

## Topics

### Instance Properties

- [fAlignment](kernel/ioaudiostreamformat/1490727-falignment.md)
- [fBitDepth](kernel/ioaudiostreamformat/1490837-fbitdepth.md)
- [fBitWidth](kernel/ioaudiostreamformat/1491159-fbitwidth.md)
- [fByteOrder](kernel/ioaudiostreamformat/1490785-fbyteorder.md)
- [fDriverTag](kernel/ioaudiostreamformat/1491085-fdrivertag.md)
- [fIsMixable](kernel/ioaudiostreamformat/1491037-fismixable.md)
- [fNumChannels](kernel/ioaudiostreamformat/1490835-fnumchannels.md)
- [fNumericRepresentation](kernel/ioaudiostreamformat/1491035-fnumericrepresentation.md)
- [fSampleFormat](kernel/ioaudiostreamformat/1490932-fsampleformat.md)

## See Also

### Audio Data

- [IOAudioEngineNotifications](kernel/ioaudioenginenotifications.md)
- [IOAudioEngineTraps](kernel/ioaudioenginetraps.md)
- [IOAudioSampleRate](kernel/ioaudiosamplerate.md)
- [IOAudioStreamFormatExtension](kernel/ioaudiostreamformatextension.md)
- [IOAudioTimeStamp](kernel/ioaudiotimestamp.md)
- [IOAudioClientBuffer](kernel/ioaudioclientbuffer.md)
- [IOAudioClientBuffer64](kernel/ioaudioclientbuffer64.md)
- [IOAudioClientBufferExtendedInfo](kernel/ioaudioclientbufferextendedinfo.md)
- [IOAudioClientBufferExtendedInfo64](kernel/ioaudioclientbufferextendedinfo64.md)
- [IOAudioEnginePosition](kernel/ioaudioengineposition.md)
- [IOAF_bcopy_WriteCombine](kernel/1416189-ioaf_bcopy_writecombine.md)
- [UInt64mult](kernel/1402722-uint64mult.md)