---
title: estimatedDataRate
framework: avfoundation
role: symbol
role_heading: Type Property
path: avfoundation/avpartialasyncproperty/estimateddatarate
---

# estimatedDataRate

The estimated data rate, in bits per second, of the media that the track references.

## Declaration

```swift
static var estimatedDataRate: AVAsyncProperty<Root, Float> { get }
```

## Discussion

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

## See Also

### Loading temporal information

- [timeRange](avfoundation/avpartialasyncproperty/timerange.md)
- [naturalTimeScale](avfoundation/avpartialasyncproperty/naturaltimescale.md)