---
title: AVVideoQualityKey
framework: avfoundation
role: symbol
role_heading: Global Variable
path: avfoundation/avvideoqualitykey
---

# AVVideoQualityKey

A key to set the JPEG compression quality of the video.

## Declaration

```swift
let AVVideoQualityKey: String
```

## Discussion

Discussion The corresponding value is an instance of NSNumber 0.0-1.0.

## See Also

### Compression

- [AVVideoCompressionPropertiesKey](avfoundation/avvideocompressionpropertieskey.md)
- [AVVideoDecompressionPropertiesKey](avfoundation/avvideodecompressionpropertieskey.md)
- [AVVideoAverageBitRateKey](avfoundation/avvideoaveragebitratekey.md)
- [AVVideoMaxKeyFrameIntervalKey](avfoundation/avvideomaxkeyframeintervalkey.md)
- [AVVideoMaxKeyFrameIntervalDurationKey](avfoundation/avvideomaxkeyframeintervaldurationkey.md)
- [AVVideoAllowFrameReorderingKey](avfoundation/avvideoallowframereorderingkey.md)
- [AVVideoAppleProRAWBitDepthKey](avfoundation/avvideoappleprorawbitdepthkey.md)