---
title: IOAudioStreamDataDescriptor
framework: kernel
role: symbol
role_heading: Type Alias
path: kernel/ioaudiostreamdatadescriptor
---

# IOAudioStreamDataDescriptor

## Declaration

```occ
typedef struct _IOAudioStreamDataDescriptor IOAudioStreamDataDescriptor;
```

## Topics

### Instance Properties

- [fNumberOfStreams](kernel/ioaudiostreamdatadescriptor/1491020-fnumberofstreams.md)
- [fStreamLength](kernel/ioaudiostreamdatadescriptor/1491105-fstreamlength.md)
- [fVersion](kernel/ioaudiostreamdatadescriptor/1490761-fversion.md)

## See Also

### Descriptors

- [IOAudioBufferDataDescriptor](kernel/ioaudiobufferdatadescriptor.md)
- [IOAudioSampleIntervalDescriptor](kernel/ioaudiosampleintervaldescriptor.md)