---
title: AVSampleRateConverterAlgorithmKey
framework: avfaudio
role: symbol
role_heading: Global Variable
path: avfaudio/avsamplerateconverteralgorithmkey
---

# AVSampleRateConverterAlgorithmKey

A string value that represents the sample rate converter algorithm to use.

## Declaration

```swift
let AVSampleRateConverterAlgorithmKey: String
```

## Topics

### Supported algorithms

- [AVSampleRateConverterAlgorithm_Normal](avfaudio/avsamplerateconverteralgorithm_normal.md)
- [AVSampleRateConverterAlgorithm_MinimumPhase](avfaudio/avsamplerateconverteralgorithm_minimumphase.md)
- [AVSampleRateConverterAlgorithm_Mastering](avfaudio/avsamplerateconverteralgorithm_mastering.md)

## See Also

### Constants

- [AVSampleRateConverterAudioQualityKey](avfaudio/avsamplerateconverteraudioqualitykey.md)
- [AVEncoderAudioQualityForVBRKey](avfaudio/avencoderaudioqualityforvbrkey.md)