---
title: AudioToolbox Data Types
framework: audiotoolbox
role: collectionGroup
role_heading: API Collection
path: audiotoolbox/audiotoolbox-data-types
---

# AudioToolbox Data Types

## Topics

### Data Types

- [AUMIDIEventListBlock](audiotoolbox/aumidieventlistblock.md)
- [AudioFileComponentGetUserDataAtOffsetProc](audiotoolbox/audiofilecomponentgetuserdataatoffsetproc.md)
- [AudioFileComponentGetUserDataSize64Proc](audiotoolbox/audiofilecomponentgetuserdatasize64proc.md)
- [CallHostBlock](audiotoolbox/callhostblock.md)

## See Also

### Reference

- [AudioToolbox Structures](audiotoolbox/audiotoolbox-structures.md)
- [AudioToolbox Enumerations](audiotoolbox/audiotoolbox-enumerations.md)
- [AudioToolbox Constants](audiotoolbox/audiotoolbox-constants.md)
- [AudioToolbox Functions](audiotoolbox/audiotoolbox-functions.md)