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# timedMetadataSampleBufferFormatDescription

Returns the format description of the sample buffer returned from the [`newTimedMetadataSampleBufferAndResetAnalyzer()`](/documentation/AVFoundation/AVCaptureSpatialAudioMetadataSampleGenerator/newTimedMetadataSampleBufferAndResetAnalyzer()) method.

```
var timedMetadataSampleBufferFormatDescription: CMFormatDescription { get }
```

## Discussion

Use this format description when creating your [`AVAssetWriter`](/documentation/AVFoundation/AVAssetWriter) track for spatial audio timed metadata.

---

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