---
title: naturalTimeScale
framework: avfoundation
role: symbol
role_heading: Instance Property
path: avfoundation/avcompositiontrack/naturaltimescale
---

# naturalTimeScale

The natural time scale of the media that a track references.

## Declaration

```swift
var naturalTimeScale: CMTimeScale { get }
```

## See Also

### Accessing temporal information

- [timeRange](avfoundation/avcompositiontrack/timerange.md)
- [estimatedDataRate](avfoundation/avcompositiontrack/estimateddatarate.md)
- [samplePresentationTime(forTrackTime:)](avfoundation/avcompositiontrack/samplepresentationtime(fortracktime:).md)