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# AudioResource.Normalization

Normalization adjusts the level of an audio file or buffer to be at a defined target.

```
struct Normalization
```

## Overview

Audio files produced in a production environment where dynamics are already being
processed may not need normalization.

Normalization has a CPU cost on *load* for audio file resources that have a loading strategy
of [`AudioFileResource.LoadingStrategy.preload`](/documentation/RealityKit/AudioFileResource/LoadingStrategy-swift.enum/preload)
and a CPU cost on *playback* for audio files that have a loading strategy of
[`AudioFileResource.LoadingStrategy.stream`](/documentation/RealityKit/AudioFileResource/LoadingStrategy-swift.enum/stream).

## Topics

### Type Properties

[`static let dynamic: AudioResource.Normalization`](/documentation/RealityKit/AudioResource/Normalization/dynamic)

Performs dynamic compression to normalize the audio source material to a level of -12dBLUFS in real-time.

## Relationships

### Conforms To

[`Sendable`](/documentation/Swift/Sendable)

[`SendableMetatype`](/documentation/Swift/SendableMetatype)

[`Hashable`](/documentation/Swift/Hashable)

[`Equatable`](/documentation/Swift/Equatable)

---

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