---
title: "MLSoundClassifier.ModelParameters.FeatureExtractorType.audioFeaturePrint(type:revision:)"
framework: createml
role: symbol
role_heading: Case
path: "createml/mlsoundclassifier/modelparameters-swift.struct/featureextractortype/audiofeatureprint(type:revision:)"
---

# MLSoundClassifier.ModelParameters.FeatureExtractorType.audioFeaturePrint(type:revision:)

Represents the Audio Feature Print extractor.

## Declaration

```swift
case audioFeaturePrint(type: MLSoundClassifier.ModelParameters.FeaturePrintType = .sound, revision: Int = 1)
```

## Parameters

- `type`: An Audio Feature Print extractor type.
- `revision`: A version of the extractor you pass to type.

## Discussion

Discussion The case uses the newest version of MLSoundClassifier.ModelParameters.FeaturePrintType.sound if you don’t provide associated values for type and revision.

## See Also

### Designating a feature extractor

- [MLSoundClassifier.ModelParameters.FeaturePrintType](createml/mlsoundclassifier/modelparameters-swift.struct/featureprinttype.md)
- [MLSoundClassifier.ModelParameters.FeatureExtractorType.vggish(revision:)](createml/mlsoundclassifier/modelparameters-swift.struct/featureextractortype/vggish(revision:).md)