---
title: Apple Voice Processing Audio Unit Errors
framework: audiotoolbox
role: collectionGroup
role_heading: API Collection
path: audiotoolbox/1534085-apple-voice-processing-audio-uni
---

# Apple Voice Processing Audio Unit Errors

## Topics

### Constants

- [kAUVoiceIOErr_UnexpectedNumberOfInputChannels](audiotoolbox/kauvoiceioerr_unexpectednumberofinputchannels.md)

## See Also

### Enumerations

- [Anonymous](audiotoolbox/3751765-anonymous.md)
- [Anonymous](audiotoolbox/3950917-anonymous.md)
- [Anonymous](audiotoolbox/4103713-anonymous.md)
- [Anonymous](audiotoolbox/4304947-anonymous.md)
- [Anonymous](audiotoolbox/4354006-anonymous.md)
- [AUSpatialMixerPersonalizedHRTFMode](audiotoolbox/auspatialmixerpersonalizedhrtfmode.md)
- [AudioConverterOptions](audiotoolbox/audioconverteroptions.md)