---
title: peakBitRate
framework: avfoundation
role: symbol
role_heading: Instance Property
path: avfoundation/avassetvariant/peakbitrate-9hzpi
---

# peakBitRate

The peak bit rate for the variant.

## Declaration

```swift
@nonobjc var peakBitRate: Double? { get }
```

## Discussion

Discussion If the variant doesn’t define a peak bit rate, the value is negative.

## See Also

### Configuring bit rate

- [averageBitRate](avfoundation/avassetvariant/averagebitrate-5p1oh.md)