---
title: Encoder settings
framework: avfoundation
role: collectionGroup
path: avfoundation/encoder-settings
---

# Encoder settings

The constants that define the audio encoder settings for the audio recorder class.

## Topics

### Settings

- [AVEncoderAudioQualityKey](avfaudio/avencoderaudioqualitykey.md)
- [AVEncoderBitRateKey](avfaudio/avencoderbitratekey.md)
- [AVEncoderBitRatePerChannelKey](avfaudio/avencoderbitrateperchannelkey.md)
- [AVEncoderBitRateStrategyKey](avfaudio/avencoderbitratestrategykey.md)
- [AVEncoderBitDepthHintKey](avfaudio/avencoderbitdepthhintkey.md)

## See Also

### Settings

- [Sample rate conversion settings](avfoundation/sample-rate-conversion-settings.md)
- [AVAudioQuality](avfaudio/avaudioquality.md)
- [Time pitch algorithm settings](avfoundation/time-pitch-algorithm-settings.md)