---
title: AVEncoderBitDepthHintKey
framework: avfaudio
role: symbol
role_heading: Global Variable
path: avfaudio/avencoderbitdepthhintkey
---

# AVEncoderBitDepthHintKey

## Declaration

```swift
let AVEncoderBitDepthHintKey: String
```

## See Also

### Settings

- [AVEncoderASPFrequencyKey](avfaudio/avencoderaspfrequencykey.md)
- [AVEncoderAudioQualityKey](avfaudio/avencoderaudioqualitykey.md)
- [AVEncoderBitRateKey](avfaudio/avencoderbitratekey.md)
- [AVEncoderBitRatePerChannelKey](avfaudio/avencoderbitrateperchannelkey.md)
- [AVEncoderBitRateStrategyKey](avfaudio/avencoderbitratestrategykey.md)
- [AVEncoderContentSourceKey](avfaudio/avencodercontentsourcekey.md)
- [AVEncoderDynamicRangeControlConfigurationKey](avfaudio/avencoderdynamicrangecontrolconfigurationkey.md)