---
title: AudioFormatID
framework: coreaudiotypes
role: symbol
role_heading: Type Alias
path: coreaudiotypes/audioformatid
---

# AudioFormatID

A type definition for audio format identifiers.

## Declaration

```swift
typealias AudioFormatID = UInt32
```

## See Also

### Streams

- [AudioStreamBasicDescription](coreaudiotypes/audiostreambasicdescription.md)
- [AudioStreamPacketDescription](coreaudiotypes/audiostreampacketdescription.md)
- [AudioFormatFlags](coreaudiotypes/audioformatflags.md)
- [Audio Format Flags](coreaudiotypes/audio-format-flags.md)
- [Audio Format Identifiers](coreaudiotypes/audio-format-identifiers.md)
- [kAudioStreamAnyRate](coreaudiotypes/kaudiostreamanyrate.md)
- [MPEG4ObjectID](coreaudiotypes/mpeg4objectid.md)