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# AudioFileFlags

```
struct AudioFileFlags
```

## Topics

### Flags

[`kAudioFileFlags_DontPageAlignAudioData`](/documentation/AudioToolbox/AudioFileFlags/dontPageAlignAudioData)

Typically, the audio data in a file is page aligned. To make reading the file data as fast as possible, you can use page-aligned data to take advantage of optimized code paths in the file system. However, when space is at a premium, you might want to avoid the additional padding required to attain alignment. To do so, set this flag when calling [`AudioFileCreate`](/documentation/AudioToolbox/AudioFileCreate) or [`AudioFileCreateWithURL(_:_:_:_:_:)`](/documentation/AudioToolbox/AudioFileCreateWithURL(_:_:_:_:_:)).

[`kAudioFileFlags_EraseFile`](/documentation/AudioToolbox/AudioFileFlags/eraseFile)

## Relationships

### Conforms To

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

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

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

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

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

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

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

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

---

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