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# AVAudioConverterPrimeInfo

Priming information for audio conversion.

```
struct AVAudioConverterPrimeInfo
```

## Topics

### Creating Priming Information

[`init()`](/documentation/AVFAudio/AVAudioConverterPrimeInfo/init())

Creates a priming information instance.

[`init(leadingFrames:trailingFrames:)`](/documentation/AVFAudio/AVAudioConverterPrimeInfo/init(leadingFrames:trailingFrames:))

Creates a priming information instance with the specified leading and trailing frames.

### Getting Frame Properties

[`leadingFrames`](/documentation/AVFAudio/AVAudioConverterPrimeInfo/leadingFrames)

The number of leading (previous) input frames the converter requires to perform a high-quality conversion.

[`trailingFrames`](/documentation/AVFAudio/AVAudioConverterPrimeInfo/trailingFrames)

The number of trailing input frames, past the end input frame, the converter requires to perform a high-quality conversion.


---

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