---
title: cleanAperture
framework: avfoundation
role: symbol
role_heading: Type Property
path: avfoundation/avvideoaperturemode/cleanaperture
---

# cleanAperture

The pixel aspect ratio and clean aperture will be applied.

## Declaration

```swift
static let cleanAperture: AVVideoApertureMode
```

## Discussion

Discussion An image’s clean aperture is a region of video free from transition artifacts caused by the encoding of the signal.

## See Also

### Aperture modes

- [encodedPixels](avfoundation/avvideoaperturemode/encodedpixels.md)
- [productionAperture](avfoundation/avvideoaperturemode/productionaperture.md)