SoundClassification-ResultObserver.swift

class ResultsObserver: NSObject, SNResultsObserving {
    var delegate: GenderClassifierDelegate?
    func request(_ request: SNRequest, didProduce result: SNResult) {
        guard let result = result as? SNClassificationResult,
            let classification = result.classifications.first else { return }
        
        let confidence = classification.confidence * 100.0
        
        if confidence > 60 {
            delegate?.displayPredictionResult(identifier: classification.identifier, confidence: confidence)
        }
    }
}