---
title: Core Audio Structures
framework: coreaudio
role: collectionGroup
role_heading: API Collection
path: coreaudio/core-audio-structures
---

# Core Audio Structures

## Topics

### Structures

- [AudioHardwareIOProcStreamUsage](coreaudio/audiohardwareioprocstreamusage.md)
- [AudioObjectPropertyAddress](coreaudio/audioobjectpropertyaddress.md)
- [AudioStreamRangedDescription](coreaudio/audiostreamrangeddescription.md)
- [UnsafeMutableAudioBufferListPointer](coreaudio/unsafemutableaudiobufferlistpointer.md)

## See Also

### Reference

- [Core Audio Data Types](coreaudio/core-audio-data-types.md)
- [Core Audio Functions](coreaudio/core-audio-functions.md)
- [Core Audio Constants](coreaudio/core-audio-constants.md)
- [Core Audio Enumerations](coreaudio/core-audio-enumerations.md)