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# kAudioFormatAES3

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

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

## Discussion

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

---

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