---
title: naturalTimeScale
framework: avfoundation
role: symbol
role_heading: Type Property
path: avfoundation/avpartialasyncproperty/naturaltimescale
---

# naturalTimeScale

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

## Declaration

```swift
static var naturalTimeScale: AVAsyncProperty<Root, CMTimeScale> { get }
```

## Discussion

Discussion Use the load(_:isolation:) method to retrieve the property value.

## See Also

### Loading temporal information

- [timeRange](avfoundation/avpartialasyncproperty/timerange.md)
- [estimatedDataRate](avfoundation/avpartialasyncproperty/estimateddatarate.md)