---
title: Audio Toolbox Debugging
framework: audiotoolbox
role: collectionGroup
role_heading: API Collection
path: audiotoolbox/audio-toolbox-debugging
---

# Audio Toolbox Debugging

Obtain the internal state of Core Audio objects during the development and debugging of your code.

## Overview

Overview The AudioToolbox.h header file provides auxiliary functions for obtaining the internal state of a Core Audio object. Use these functions during development and debugging.

## Topics

### Audio Toolbox Debugging Functions

- [CAShow(_:)](audiotoolbox/cashow(_:).md)
- [CAShowFile(_:_:)](audiotoolbox/cashowfile(_:_:).md)

### Instrument Functions

- [CopyNameFromSoundBank(_:_:)](audiotoolbox/copynamefromsoundbank(_:_:).md)
- [CopyInstrumentInfoFromSoundBank(_:_:)](audiotoolbox/copyinstrumentinfofromsoundbank(_:_:).md)
- [kInstrumentInfoKey_LSB](audiotoolbox/kinstrumentinfokey_lsb.md)
- [kInstrumentInfoKey_MSB](audiotoolbox/kinstrumentinfokey_msb.md)
- [kInstrumentInfoKey_Name](audiotoolbox/kinstrumentinfokey_name.md)
- [kInstrumentInfoKey_Program](audiotoolbox/kinstrumentinfokey_program.md)

### Constants

- [AUDIO_TOOLBOX_VERSION](audiotoolbox/audio_toolbox_version.md)

## See Also

### Utilities

- [Analyzing audio performance with Instruments](audiotoolbox/analyzing-audio-performance-with-instruments.md)
- [Audio Converter Services](audiotoolbox/audio-converter-services.md)
- [Audio Session Support](audiotoolbox/audio-session-support.md)
- [Workgroup Management](audiotoolbox/workgroup-management.md)
- [Audio Codec](audiotoolbox/audio-codec.md)
- [Clock Utilities](audiotoolbox/clock-utilities.md)