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# kAudioSession_AudioRouteChangeKey_CurrentRouteDescription

Describes the current audio route.

```
let kAudioSession_AudioRouteChangeKey_CurrentRouteDescription: CFString!
```

## Discussion

A <doc://com.apple.documentation/documentation/CoreFoundation/CFDictionary> object that describes the current audio route. For specifics on the contents of this dictionary, see [`kAudioSession_AudioRouteKey_Inputs`](/documentation/AudioToolbox/kAudioSession_AudioRouteKey_Inputs) and [`kAudioSession_AudioRouteKey_Outputs`](/documentation/AudioToolbox/kAudioSession_AudioRouteKey_Outputs).

---

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