---
title: AVAudioBitRateStrategy_VariableConstrained
framework: avfaudio
role: symbol
role_heading: Global Variable
path: avfaudio/avaudiobitratestrategy_variableconstrained
---

# AVAudioBitRateStrategy_VariableConstrained

A value that represents a constrained variable bit rate strategy.

## Declaration

```swift
let AVAudioBitRateStrategy_VariableConstrained: String
```

## See Also

### Strategies

- [AVAudioBitRateStrategy_Constant](avfaudio/avaudiobitratestrategy_constant.md)
- [AVAudioBitRateStrategy_LongTermAverage](avfaudio/avaudiobitratestrategy_longtermaverage.md)
- [AVAudioBitRateStrategy_Variable](avfaudio/avaudiobitratestrategy_variable.md)