---
title: estimatedDataRate
framework: avfoundation
role: symbol
role_heading: Instance Property
path: avfoundation/avcompositiontrack/estimateddatarate
---

# estimatedDataRate

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

## Declaration

```swift
var estimatedDataRate: Float { get }
```

## See Also

### Accessing temporal information

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