---
title: "scalingAbsorption(by:)"
framework: realitykit
role: symbol
role_heading: Instance Method
path: "realitykit/audio/material/scalingabsorption(by:)"
---

# scalingAbsorption(by:)

## Declaration

```swift
func scalingAbsorption(by frequencyDependentScalar: (Float) -> Float) -> Audio.Material
```

## See Also

### Adjusting acoustic properties

- [scalingScattering(by:)](realitykit/audio/material/scalingscattering(by:).md)