---
title: kAudioFormatAES3
framework: coreaudiotypes
role: symbol
role_heading: Global Variable
path: coreaudiotypes/kaudioformataes3
---

# kAudioFormatAES3

A key that specifies the codec defined by the AES3-2003 standard, and uses no flags.

## Declaration

```swift
var kAudioFormatAES3: AudioFormatID { get }
```

## Discussion

Discussion The MXF and MPEG-2 containers and SDTI transport streams with SMPTE specs 302M-2002 and 331M-2000 adopt this codec.

## See Also

### Format identifiers

- [kAudioFormat60958AC3](coreaudiotypes/kaudioformat60958ac3.md)
- [kAudioFormatAC3](coreaudiotypes/kaudioformatac3.md)
- [kAudioFormatALaw](coreaudiotypes/kaudioformatalaw.md)
- [kAudioFormatAMR](coreaudiotypes/kaudioformatamr.md)
- [kAudioFormatAMR_WB](coreaudiotypes/kaudioformatamr_wb.md)
- [kAudioFormatAppleIMA4](coreaudiotypes/kaudioformatappleima4.md)
- [kAudioFormatAppleLossless](coreaudiotypes/kaudioformatapplelossless.md)
- [kAudioFormatAudible](coreaudiotypes/kaudioformataudible.md)
- [kAudioFormatDVIIntelIMA](coreaudiotypes/kaudioformatdviintelima.md)
- [kAudioFormatEnhancedAC3](coreaudiotypes/kaudioformatenhancedac3.md)
- [kAudioFormatFLAC](coreaudiotypes/kaudioformatflac.md)
- [kAudioFormatLinearPCM](coreaudiotypes/kaudioformatlinearpcm.md)
- [kAudioFormatMACE3](coreaudiotypes/kaudioformatmace3.md)
- [kAudioFormatMACE6](coreaudiotypes/kaudioformatmace6.md)
- [kAudioFormatMIDIStream](coreaudiotypes/kaudioformatmidistream.md)